Evaluating the Educational Experience of Physiotherapy Students Using the Fitness and Mobility Exercise (FAME) Programme to Learn about Neurological Conditions: An Exploratory Study.

Purpose: Group exercise has the potential to be a cost-effective way to improve functional outcomes for those living with neurological injury. Leading group exercise is a foundational competency for entry-to-practice for physiotherapy students. The overall objective of this study was to examine the student experience of using the Fitness and Mobility Exercise (FAME) programme to learn about neurological conditions in a group setting. Methods: Sixteen physiotherapy students filled out a single point in time survey at the end of their placement during which they had the opportunity to use FAME with their clients twice a week. The survey had Likert and open-ended questions and demographic information. Likert responses were calculated as means. Open-ended questions were analyzed using thematic analysis. Results: The Likert questions were answered with almost entirely positive results. The main themes from the open-ended questions were how to personalize the class, characteristics of individual clients shape the class experience and factors that make the class successful. Conclusions: Overall, the physiotherapy students found using FAME to be a positive experience. From the student perspective, using FAME during placement was an effective way to learn about neurological conditions as well as to develop skills to manage a group exercise class.

Objectif: les exercices de groupe ont le potentiel d'être un moyen rentable d'améliorer les résultats fonctionnels des personnes qui vivent avec une atteinte neurologique. La direction d'exercices de groupe est une compétence fondamentale d'accès à la pratique chez les étudiants en physiothérapie. L'objectif global de cette étude consistait à examiner l'expérience des étudiants à l'égard de l'utilisation du programme d'exercices pour la forme physique et la mobilité (FAME, d'après l'acronyme anglais Fitness and Mobility Exercise) et à en apprendre davantage sur les atteintes neurologiques dans un contexte de groupe. Méthodologie: au total, seize étudiants en physiothérapie ont rempli un seul sondage à la fin de leur stage, au cours duquel ils avaient pu utiliser le programme FAME deux fois par semaine avec leurs clients. Le sondage contenait des questions de type échelle de Likert, des questions ouvertes et des renseignements démographiques. Les chercheuses ont analysé les réponses de type échelle de Likert sous forme de moyennes et les questions ouvertes, sous forme d'analyse thématique. Résultats: les réponses aux questions de type échelle de Likert étaient presque toujours positives. Les principaux thèmes des questions ouvertes étaient comment personnaliser le cours, les caractéristiques des clients individuels façonnent l'expérience du cours et les facteurs qui font du cours une réussite. Conclusions: dans l'ensemble, les étudiants en physiothérapie ont trouvé que l'utilisation du programme FAME était une expérience positive. De l'avis des étudiants, l'utilisation du programme FAME pendant le stage était un moyen efficace d'en apprendre davantage au sujet des maladies neurologiques et d'acquérir des compétences pour gérer un cours d'exercice de groupe.

Women's Knowledge of Future Cardiovascular Risk Associated With Complications of Pregnancy: A Systematic Review.

Background: Several common pregnancy conditions significantly increase a woman's risk of future cardiovascular diseases (CVD). Patient education and interventions aimed at awareness and self-management of cardiovascular risk factors may help modify future cardiovascular risk. The aim of this systematic review was to examine education interventions for cardiovascular risk after pregnancy, clinical measures/scales, and knowledge outcomes in published qualitative and quantitative studies. Methods: Five databases were searched (from inception to June 2023). Studies including interventions and validated and nonvalidated measures of awareness/knowledge of future cardiovascular risk among women after complications of pregnancy were considered. Quality was rated using the Mixed Methods Appraisal Tool. Results were analyzed using the Synthesis Without Meta-analysis reporting guideline. Characteristics of interventions were reported using the Template for Intervention Description and Replication. Fifteen studies were included; 3 were randomized controlled trials. Results: In total, 1623 women had a recent or past diagnosis of hypertensive disorders of pregnancy, gestational diabetes mellitus, and/or premature birth. Of the 7 studies that used online surveys or questionnaires, 2 reported assessing psychometric properties of tools. Four studies used diverse educational interventions (pamphlets, information sheets, in-person group sessions, and an online platform with health coaching). Overall, women had a low level of knowledge about their future CVD risk. Interventions were effective in increasing this knowledge. Conclusions: In conclusion, women have a low level of knowledge of risk of CVD after pregnancy complications. To increase this level of knowledge and self-management, this population has a strong need for psychometrically validated tailored education interventions.

Contexte: Plusieurs problèmes médicaux liés à la grossesse augmentent significativement le risque d'une maladie cardiovasculaire (MCV) ultérieure chez les femmes. L'éducation des patients et les interventions axées sur la sensibilisation aux facteurs de risques cardiovasculaire et sur l'autoprise en charge pourraient aider à limiter le risque de MCV. La présente analyse des études qualitatives et quantitatives publiées visait à examiner les interventions éducatives au sujet des risques cardiovasculaires après la grossesse, les mesures et échelles cliniques qui y sont associées, et les résultats de ces interventions sur le plan des connaissances. Méthodologie: Des recherches ont été réalisées dans cinq bases de données (de leur date de création jusqu'à juin 2023). Les études considérées incluaient des interventions et des mesures validées ou non de la sensibilisation des femmes au sujet des risques de MCV après des complications liées à la grossesse ou de leurs connaissances à ce sujet. La qualité des études a été évaluée avec l'Outil d'évaluation de la qualité méthodologique des études incluses dans une revue mixte, et les résultats ont été évalués à l'aide de la méthodologie Synthesis Without Meta-analysis. Les caractéristiques des interventions ont été relevées selon le modèle Template for Intervention Description and Replication. Quinze études ont été retenues, dont 3 essais contrôlés randomisés. Résultats: Au total, 1623 femmes avaient reçu récemment ou auparavant un diagnostic de trouble hypertensif lié à la grossesse, de diabète gestationnel et/ou de travail prématuré. Parmi les 7 études ayant eu recours à des questionnaires ou des sondages en ligne, 2 mentionnaient l'évaluation des propriétés psychométriques des outils. Dans 4 études, plusieurs interventions éducatives ont été utilisées (dépliants, feuillets informatifs, séances de groupe en personne et plateforme en ligne offrant un accompagnement en matière de santé). De manière générale, le niveau de connaissance des femmes au sujet de leur risque de MCV était faible, mais les interventions se sont révélées efficaces pour améliorer ces connaissances. Conclusions: En conclusion, les femmes ne connaissent pas bien les risques de MCV associés aux complications survenues au cours de la grossesse. Pour améliorer le niveau des connaissances et l'autoprise en charge, des interventions conçues pour cette population et validées sur le plan psychométrique sont indispensables.

Development of an Algorithm to Screen for Frailty Using the Clinical Frailty Scale with Postoperative Patients Entering Cardiac Rehabilitation.

Purpose: Frailty is not commonly assessed on intake to cardiac rehabilitation (CR), but screening could enable targeted interventions and potentially reduce secondary complications. This study aimed to develop and retrospectively examine the feasibility of utilizing a CR-specific algorithm based on the Clinical Frailty Scale (CFS). Our CFS-CR algorithm endeavoured to screen for frailty in older adults (> 65 y) entering CR following cardiac surgery/procedure. Method: The charts of 30 former patients (mean age: 74.0 ± 6.9 y) were examined by a clinician working in CR. Results: The clinician was unable to score any of the patients based on their medical charts using the CFS-CR due to insufficient data. Documentation was typically limited in the areas of instrumental and basic activities of daily living whereas exercise data were readily available. Conclusions: Current intake documentation in CR limited the ability to retrospectively screen for frailty. This finding suggests a need for a frailty-specific tool to support routine clinical screening. Prospective evaluation of the CFS-CR is warranted to further examine the clinical utility of the algorithm during CR intake assessments.

Objectif: la fragilité est peu évaluée à l'admission en réadaptation cardiaque (RC), mais le dépistage pourrait permettre de cibler des interventions et peutêtre de réduire les complications secondaires. La présente étude visait à créer un algorithme de RC d'après l'échelle de fragilité clinique (ÉFC) et à procéder à une analyse rétrospective pour déterminer la faisabilité de l'utiliser. L'algorithme ÉFC-RC était conçu pour dépister la fragilité chez les personnes âgées (de 65 ans ou plus) qui arrivaient en RC après une opération ou une intervention cardiaque. Méthodologie: une clinicienne qui travaillait en RC a examiné les dossiers de 30 anciens patients (âge moyen de 74,0 ± 6,9 ans). Résultats: la clinicienne n'a pu mesurer les résultats d'aucun patient d'après leur dossier médical au moyen de l'ÉFC-RC en raison de données insuffisantes. Les éléments du dossier se limitaient généralement aux activités déterminantes et courantes de la vie quotidienne, tandis que les données sur les exercices étaient facilement accessibles. Conclusions: l'information contenue dans les dossiers d'admission actuels en RC limitait la possibilité de procéder à l'analyse rétrospective de la fragilité. Cette observation laisse croire à la nécessité de concevoir un outil axé sur la fragilité pour contribuer au dépistage clinique systématique. Une évaluation prospective de l'ÉFC-RC s'impose pour mieux analyser l'utilité clinique de l'algorithme lors des évaluations à l'admission en RC.

A Look at Traumatic Brain Injury Community Programs in British Columbia: Barriers and facilitators of implementation.

RESEARCH OBJECTIVES: 1) Characterize the delivery of programs that support acceptance and resiliency for people with brain injury in the healthcare sector; 2) Understand the barriers and facilitators in implementation of programs to support self-acceptance and resiliency for people with brain injury. DESIGN: Participatory focus groups were used to explore experiences of conducting brain injury programs and knowledge of the barriers and facilitators to their implementation. Focus group data were analyzed with manifest content analysis to minimally deviate from broad and structural information provided by participants. SETTING: Four focus group sessions were conducted online through a video calling platform. PARTICIPANTS: 22 individuals from community associations conducting programs for people with brain injury. Participants were recruited from a public brain injury organization database. RESULTS: Systemic challenges such as access to and allocation of funding require navigation support. Resource consistency and availability, including stable program leaders and a welcoming atmosphere, are important for program implementation and sustainability. Shared experiences promote connection with the community and personal development. CONCLUSIONS: This study informs individual- and community-level approaches to promote meaningful life after brain injury. Findings highlight existing resources and support future programming for people with brain injury.

Exploring the experiences of an exercise-based telerehabilitation program among Canadian community-dwelling adults with stroke.

PURPOSE: Telerehabilitation is emerging as a means for delivering stroke rehabilitation to address unmet lower extremity rehabilitation needs. However, there is currently limited and low-quality evidence supporting the use telerehabilitation interventions for lower extremity recovery after stroke. Thus, we developed an exercise-based telerehabilitation program (TRAIL) for safe and effective promotion of lower extremity function after stroke. This study reports on the qualitative findings from the feasibility study of the TRAIL program. METHODS: An interpretive description methodology and inductive thematic analysis approach were undertaken. One-on-one semi-structured interviews were conducted on a subset of participants who completed the TRAIL feasibility study. Participants were recruited via email and enrolled into the study based on pre-determined purposeful sampling strategies. RESULTS: Ten participants (6 men, 4 women) completed a semi-structured interview. Two main themes emerged: (i) TRAIL ingredients for success and (ii) telerehabilitation is a viable option for stroke rehabilitation. CONCLUSION: Exercise-based telerehabilitation appears to be well-received by men and women post-stroke when social support, professional guidance, and program resources are offered. TRAIL may also prolong the continuum of care that individuals receive once they are discharged back into the community, and contribute to improvements in mobility, lower extremity strength and balance.

Exercise-based telerehabilitation for individuals with stroke can be delivered safely when clinicians are trained, and social support and program resources are available.Exercise-based telerehabilitation may be viable and accessible for men and women with stroke to extend the opportunity for rehabilitation services within the first year post-event.Synchronously delivered telerehabilitation programs using user-friendly videoconference software is recommended for optimal participant satisfaction.

Investigating the Telerehabilitation With Aims to Improve Lower Extremity Recovery Poststroke Program: A Feasibility Study.

OBJECTIVE: The purpose of this study was to examine the feasibility of a progressive virtual exercise and self-management intervention, the TeleRehabilitation with Aims to Improve Lower extremity recovery poststroke program (TRAIL), in individuals with stroke. METHODS: A single group pre-post study design was used. Thirty-two participants were recruited who were aged 19 years or older, had a stroke within 18 months of the beginning of the study, had hemiparesis of the lower extremity, and were able to tolerate 50 minutes of activity. Participants completed TRAIL, a synchronous exercise and self-management program delivered via videoconferencing. Participants received 8 telerehabilitation sessions over 4 weeks that were 60 to 90 minutes, with a trained physical therapist in a ≤2 to 1 participant-to-therapist ratio. Feasibility indicators in the areas of process (recruitment and retention rates, perceived satisfaction), resources (treatment fidelity and adherence, participant and assessor burden, therapist burden), management (equipment, processing time), and scientific indicators (safety, treatment response, treatment effect) were collected throughout the study using a priori criteria for success. The treatment effect was examined on the Timed "Up & Go" test, the virtual Fugl-Meyer Lower Extremity Assessment, the 30-Second Sit-to-Stand Test, the Functional Reach, the Tandem Stand, the Activities-Specific Balance Confidence Scale, the Stroke Impact Scale, and the Goal Attainment Scale. RESULTS: Forty-seven individuals were screened, of which 32 (78% male; median age of 64.5 years) were included for the study from 5 sites across Canada. Nine feasibility indicators met our study-specific threshold criteria for success: retention rate (0 dropouts), perceived satisfaction, treatment fidelity, adherence, therapist burden, equipment, and safety. In terms of treatment response and effect, improvements were observed in Timed "Up & Go" test (Cohen d = 0.57); Fugl-Meyer Lower Extremity Assessment (d = 0.76); 30-Second Sit-to-Stand Test (d = 0.89); and Goal Attainment Scale (d = 0.95). CONCLUSION: The delivery of TRAIL, a lower extremity stroke rehabilitation program using videoconferencing technology, is feasible and appears to have positive influences on mobility, lower extremity impairment, strength, and goal attainment. IMPACT: Community-based telerehabilitation programs, such as TRAIL, could extend the continuum of care during the transition back to community postdischarge or during global disruptions, such as Coronavirus Disease 2019 (COVID-19). Delivery of synchronous lower extremity rehabilitation via videoconferencing to community-dwelling stroke survivors is feasible.

TeleRehabilitation with Aims to Improve Lower extremity recovery in community-dwelling individuals who have had a stroke: protocol for a multisite, parallel group, assessor-blinded, randomised attention-controlled trial.

INTRODUCTION: Telerehabilitation is an accessible service delivery model that may support innovative lower extremity rehabilitation programmes that extend the stroke recovery continuum into the community. Unfortunately, there is limited evidence on the provision of exercises for lower extremity recovery after stroke delivered using telerehabilitation. In response, we developed the TeleRehabilitation with Aims to Improve Lower extremity recovery poststroke (TRAIL) programme, a 4-week progressive exercise and self-management intervention delivered synchronously using video-conferencing technology. Our primary hypothesis is that individual within 1-year poststroke who participate in TRAIL will experience significantly greater improvements in functional mobility than individuals in an attention-controlled education programme (EDUCATION). METHODS AND ANALYSIS: In this multisite, parallel group, assessor-blinded randomised attention-controlled trial, 96 community-living stroke survivors within 1-year poststroke will be recruited from five sites (Vancouver, Winnipeg, Toronto, London and Halifax, Canada) from the CanStroke Recovery Trials Platform which is a network of Canadian hospital sites that are affiliated with academic institutions to facilitate participant recruitment and quality trial practices. Participants will be randomised on a 1:1 basis to TRAIL or EDUCATION. Participants randomised to TRAIL will receive eight telerehabilitation sessions where they will perform exercises and receive self-management support to improve lower extremity recovery from a TRAIL physical therapist. The primary outcome will be measured using the Timed Up and Go. Secondary outcomes include lower extremity muscle strength, functional balance, motor impairment, balance self-efficacy, health-related quality of life and health service use for our economic evaluation. Measurements will be taken at baseline, immediately after the intervention, 3-month and 6-month postintervention. ETHICS AND DISSEMINATION: Ethics approval for this research has been obtained by all participating sites. All study participants will provide their informed consent prior to enrolling them in the study. Findings from this trial will be disseminated in peer-reviewed journals and presentations at international scientific meetings. TRIAL REGISTRATION NUMBER: ClinicalTrials.gov, NCT04908241.

Does the stimulus provoking a stepping reaction correlate with step characteristics and clinical measures of balance and mobility post-stroke?

BACKGROUND: Retraining stepping reactions in people post-stroke is vital. However, the relationship between the stimulus and resulting stepping performance in people post-stroke is unknown. We explored relationships between stepping stimulus and stepping reactions initiated by either paretic or non-paretic legs of people post-stroke and controls. Relationships were examined in the context of clinical measures of balance. METHODS: Centre of mass dynamics were measured during self-initiated destabilizing leaning stimuli that required stepping reactions by paretic and non-paretic legs of people post-stroke (n = 10) and controls (n = 10) to recover balance. Step characteristics of the first two steps of stepping reactions were measured. Correlations were calculated between clinical measures of balance and mobility and the centre of mass and step characteristics. FINDINGS: Steps were shorter and slower with decreased centre of mass fore-aft and downward displacement and velocity when initiated by paretic and non-paretic legs compared with controls. However, increase in centre of mass displacement and velocity in the fore-aft and downward direction tended to be associated with a greater increase in step length and speed when stepping reactions were initiated by the paretic and non-paretic legs compared with controls. Time to step initiation in response to onset of falling stimulus did not differ between groups. Strong positive correlations were found between clinical balance and mobility scores and centre of mass and step dynamics in fore-aft and vertical directions. INTERPRETATION: These results support objective measurement of centre of mass to quantify the stimulus influencing step dynamics and stepping performance during retraining interventions following stroke.

Telerehabilitation for lower extremity recovery poststroke: a systematic review and meta-analysis protocol.

INTRODUCTION: Approximately 30% of individuals with stroke report unmet lower extremity recovery needs after formal hospital-based rehabilitation programmes have ended. Telerehabilitation can mitigate issues surrounding accessibility of rehabilitation services by providing ongoing support to promote recovery, however, no review exists that is specific to telerehabilitation for lower extremity recovery. This paper describes the protocol of a systematic review and meta-analysis that aims to describe and evaluate the effectiveness of lower extremity-focused telerehabilitation interventions on clinical outcomes poststroke. METHODS AND ANALYSIS: A systematic review of relevant electronic databases (MEDLINE, Embase, CINAHL, PsycINFO, Web of Science, Google Scholar, PEDro, PubMed and Cochrane Library) between inception and February 2022 will be undertaken to identify eligible interventional studies published in English that compared telerehabilitation focusing on lower extremity recovery to another intervention or usual care for individuals living in the community with stroke. Clinical outcomes examined will include those related to physical function and impairment, activities and participation that are typically assessed in clinical practice and research. Two reviewers will independently screen results, identify studies to be included for review, extract data and assess risk of bias. Meta-analyses will be performed if sufficient data exist. Sensitivity analyses will be performed by removing studies with low methodological quality, and subgroup analyses will be performed if data allow by stratifying papers based on salient demographic or stroke factors and comparing results. The reporting of the review will follow the recommendations of the Preferred Reporting Items for Systematic Reviews and Meta-Analyses statement. The quality of evidence regarding various outcomes for telerehabilitation for lower extremity recovery poststroke will be assessed according to the Grading of Recommendation, Assessment, Development and Evaluation approach. ETHICS AND DISSEMINATION: No ethical approval or informed consent is needed for this systematic review. The findings of this review will be disseminated via peer-reviewed publications and conference presentations. PROSPERO REGISTRATION NUMBER: CRD42021246886.

Rate of perceived stability as a measure of balance exercise intensity in people post-stroke.

PURPOSE: This study investigates the reproducibility and concurrent validity of the Rate of Perceived Stability (RPS) Scale in people with stroke. METHODS: On two separate days (2-10 days apart), participants provided their RPS ratings during clinical measures: 1)16 tasks from Community Balance and Mobility Scale (CB&M), 2)6-minute walk test (6MWT), and 3)self-paced gait speed. Intraclass correlations (ICCs) assessed between day test-retest reliability of RPS ratings. Standard error of measurement (SEM) and smallest detectable change (SDC) addressed level of between day agreement. Spearman rank correlations (rs) quantified relationships between RPS, and general rating of perceived challenge, task-performance scores. RESULTS: Thirty participants with stroke (50% female) participated. ICC ranged from 0.46 to 0.93 across tasks with 12/19 tasks showing ICCs above 0.75 (good test-retest reliability). SEM was 1-point for each task and SDC ranged from 2 to 4 across tasks. Concurrent validity between RPS and ratings of perceived challenge was good-to-excellent (rs ranged 0.78-0.94, p < 0.01). Higher RPS (indicative of feeling less stable) was associated with lower balance performance scores on CB&M tasks, negative relationships ranged in strength from fair to good-to-excellent in 10/16 tasks (rs ranged -0.46 to -0.81, p ≤ 0.01). CONCLUSIONS: RPS shows promise as a measure of balance intensity in people with stroke.IMPLICATIONS FOR REHABILITATIONThe RPS is a reliable and valid measure of balance intensity in ambulatory people with stroke.The RPS scale may be a useful clinical tool to address the gap in practice of measuring balance intensity during rehabilitation of walking balance post-stroke.

Virtual Arm Boot Camp (V-ABC): study protocol for a mixed-methods study to increase upper limb recovery after stroke with an intensive program coupled with a grasp count device.

BACKGROUND: Encouraging upper limb use and increasing intensity of practice in rehabilitation are two important goals for optimizing upper limb recovery post stroke. Feedback from novel wearable sensors may influence practice behaviour to promote achieving these goals. A wearable sensor can potentially be used in conjunction with a virtually monitored home program for greater patient convenience, or due to restrictions that preclude in-person visits, such as COVID-19. This trial aims to (1) determine the efficacy of a virtual behaviour change program that relies on feedback from a custom wearable sensor to increase use and function of the upper limb post stroke; and (2) explore the experiences and perceptions of using a program coupled with wearable sensors to increase arm use from the perspective of people with stroke. METHODS: This mixed-methods study will utilize a prospective controlled trial with random allocation to immediate or 3-week delayed entry to determine the efficacy of a 3-week behaviour change program with a nested qualitative description study. The intervention, the Virtual Arm Boot Camp (V-ABC) features feedback from a wearable device, which is intended to increase upper limb use post stroke, as well as 6 virtual sessions with a therapist. Sixty-four adults within 1-year post stroke onset will be recruited from seven rehabilitation centres. All outcomes will be collected virtually. The primary outcome measure is upper limb use measured by grasp counts over 3 days from the wearable sensor (TENZR) after the 3-week intervention. Secondary outcomes include upper limb function (Arm Capacity and Movement Test) and self-reported function (Hand Function and Strength subscale from the Stroke Impact Scale). Outcome data will be collected at baseline, post-intervention and at 2 months retention. The qualitative component will explore the experiences and acceptability of using a home program with a wearable sensor for increasing arm use from the point of view of individuals with stroke. Semi-structured interviews will be conducted with participants after they have experienced the intervention. Qualitative data will be analysed using content analysis. DISCUSSION: This study will provide novel information regarding the efficacy and acceptability of virtually delivered programs to improve upper extremity recovery, and the use of wearable sensors to assist with behaviour change. TRIAL REGISTRATION: ClinicalTrials.gov NCT04232163 . January 18, 2020.

Mapping of electrodermal activity (EDA) during outdoor community-level mobility tasks in individuals with lower-limb amputation.

INTRODUCTION: Balance confidence and perception of task challenge is an important construct to measure in rehabilitation of people with lower-limb amputation (LLA). Measurement of electrodermal activity (EDA) captures physiological arousal responses reflecting an individual's perceived challenge in a task. This study explores the feasibility of the use of EDA during outdoor walking tasks to capture task-specific physiological arousal changes associated with perception of challenge in people with amputation. OBJECTIVE: To develop and demonstrate feasibility of a portable EDA/GPS system mapping physiological arousal while challenging walking balance outdoors in individuals with LLA and controls. METHODS: Sixteen people (eight with LLA and eight age-/sex-matched controls) completed an outdoor walking course in the community (3 laps). A battery-powered portable device was developed containing EDA/GPS sensors with data logged on a microcontroller. Phasic EDA response was extracted from EDA signal to explore the physiological arousal response to walking tasks. RESULTS: Physiological arousal demonstrated task-specific modulation with ascending stairs without a handrail showing higher levels of phasic EDA than walking on a paved incline (p = 0.01) or a gravel decline (p = 0.01) in people with LLA. While evidence of habituation over repeated trials was shown in controls with lap 1 of walking down a gravel decline showing higher levels of phasic EDA than lap 3 (p = 0.01). Phasic EDA maps, representative of arousal levels throughout the walking course, showed individual-specific response. CONCLUSION: Mapping of EDA during outdoor walking is feasible. Modulation of physiological arousal between outdoor walking tasks and over repeated trials is suggestive of clinical utility. Further research is warranted to explore how EDA may be incorporated into assessment of response to outdoor walking amongst individuals following LLA.

Relationships Between Stepping-Reaction Movement Patterns and Clinical Measures of Balance, Motor Impairment, and Step Characteristics After Stroke.

OBJECTIVE: Successful stepping reactions, led by either the paretic or nonparetic leg, in response to a loss of balance are critical to safe mobility poststroke. The purpose of this study was to measure sagittal plane hip, knee, ankle, and trunk kinematics during 2-step stepping reactions initiated by paretic and nonparetic legs of people who had stroke and members of a control group. METHODS: Principal component analysis (PCA) was used to reduce the data into movement patterns explaining interlimb coordination of the stepping and stance legs. Correlations among principal components loading scores and clinical measures of balance ability (as measured on the Community Balance and Mobility scale), motor impairment (as measured on the foot and leg sections of the Chedoke-McMaster Stroke Assessment), and step characteristics (length and velocity) were used to examine the effect of stroke on stepping reaction movement patterns. RESULTS: The first 5 principal components explained 95.9% of the movement pattern of stepping reactions and differentiated between stepping reactions initiated by paretic legs, nonparetic legs, or the legs of controls. Moderate-strong associations (ρ/r > 0.50) between specific principal component loading scores and clinical measures and step characteristics were dependent on the initiating leg. Lower levels of motor impairment, higher levels of balance ability, and faster and longer steps were associated with stepping reactions initiated by the paretic leg that comprised paretic leg flexion and nonparetic leg extension. Step initiation with the nonparetic leg showed associations between higher scores on clinical measures and movement patterns of flexion in both paretic and nonparetic legs. CONCLUSIONS: Movement patterns of stepping reactions poststroke were influenced by the initiating leg. After stroke, specific movement patterns showed associations with clinical measures depending on the initiating leg, suggesting that these movement patterns are important to retraining of stepping reactions. Specifically, use of flexion patterning and assessment of between-leg pattern differentiation may be important aspects to consider during retraining of stepping reactions poststroke. IMPACT: Evidence-based interventions targeting balance reactions are still in their infancy. This investigation of stepping reactions poststroke addresses a major gap in research.

Challenging Standing Balance Reduces the Asymmetry of Motor Control of Postural Sway Poststroke.

Background: Ankle plantarflexor muscle impairment contributes to asymmetrical postural control poststroke. Objective: This study examines the relationship of plantarflexor electromyography (EMG) with anterior-posterior center of pressure (APCOP) in people poststroke during progressive challenges to standing balance. Methods: Ten people poststroke and 10 controls participated in this study. Anteriorly directed loads of 1% body mass (BM) were applied to the pelvis every 25-40 s until 5%BM was reached. Cross-correlation values between plantarflexor EMG and APCOP (EMG:APCOP) position and velocity were compared. Results: EMG:APCOP velocity correlations were stronger than EMG:APCOP position across all muscles (p < .01), and correlations were predominately stronger in the nonparetic compared with the paretic leg (p < .05). Increasing challenge to standing balance reduced asymmetry of EMG:APCOP relationships. Conclusions: These data suggest that sensory information reflected in APCOP velocity interacts more strongly with plantarflexor activity in people poststroke and controls than APCOP position. Furthermore, increasing challenge to standing balance reduces postural control asymmetry between legs poststroke.

Validation of the Fitbit Flex in an Acute Post-Cardiac Surgery Patient Population.

Purpose: This study examined the validity of the Fitbit Flex activity monitor for step count and distance walked among post-cardiac surgery patients. Method: Participants (n=20) from a major urban cardiac surgery centre were recruited 1-2 days before hospital discharge. The Fitbit Flex step count and distance walked outputs and video recording of each participant performing the 6-minute walk test were collected. Fitbit Flex output was compared with criterion measures of manual step count obtained from the video recording and manual measurement of distance walked. Statistical analysis compared the output and criterion measures using paired sample t-tests, Pearson correlation coefficients, Lin's concordance correlations, and Bland-Altman plots. Sub-analysis compared slower walking (<0.8 m/s; n=11) and faster walking (≥0.8 m/s; n=8) group speeds (1 participant was excluded from analysis). Results: Steps counted and distance walked were significantly different between the Fitbit Flex outputs and criterion measures (p<0.05). The Fitbit Flex steps counted and distance walked showed moderate association with manual measure steps counted (r=0.67) and distance walked (r=0.45). Lin's concordance coefficients revealed a lack of agreement between the Fitbit Flex and the criterion measurement of both steps counted (concordance correlation coefficient [CCC]=0.43) and distance walked (CCC=0.36). The percentage of relative error was -18.6 (SD 22.7) for steps counted and 25.4 (SD 45.8) for distance walked. Conclusions: The Fitbit Flex activity monitor was not a valid measure of step count and distance walked in this sample of post-cardiac surgery patients. The lack of agreement between outputs and criterion measures suggests the Fitbit Flex alone would not be an acceptable clinical outcome measure for monitoring walking progression in the early postoperative period.

Objectif : examiner la validité du moniteur d'activité Fitbit Flex pour calculer le compte des pas et la distance parcourue chez des patients après une chirurgie cardiaque. Méthodologie : les chercheurs ont recruté les participants (n=20) dans un grand centre de chirurgie cardiaque urbain un ou deux jours avant leur congé de l'hôpital. Ils ont recueilli les résultats du compte de pas et la distance parcourue à l'aide du moniteur Fitbit Flex et l'enregistrement vidéo de chaque participant qui effectue le texte de marche de six minutes (TM6M). Ils ont comparé les résultats du moniteur Fitbit Flex aux critères du compte manuel des pas obtenus par l'enregistrement vidéo et la mesure manuelle de la distance parcourue. Par l'analyse statistique, ils ont comparé les résultats et les critères à l'aide d'échantillons de tests de Student appariés, du coefficient de corrélation de Pearson, de la corrélation de concordance de Lin et du graphique de Bland-Altman. Ils ont effectué la sous-analyse en comparant la vitesse de marche plus lente (<0,8 m/s; n=11) et plus rapide (≥0,8 m/s; n=8) des groupes (un participant a été exclu de l'analyse). Résultats : le compte de pas et la distance parcourue différaient considérablement entre les résultats du moniteur Fitbit Flex et des critères (p<0,05). Le compte de pas et la distance parcourue calculés à l'aide du moniteur Fitbit Flex ont révélé une association modérée avec la mesure manuelle du compte de pas (r =0,67) et la distance parcourue (r=0,45). Les coefficients de concordance de Lin ont révélé une absence de concordance entre le moniteur Fitbit Flex et les critères pour ce qui est du compte de pas (CCC=0,43) et de la distance parcourue (CCC=0,36). L'erreur relative du compte de pas était de −18,6 (ÉT 22,7) et celle de la distance parcourue, de 25,4 (ÉT 45,8). Conclusions : le moniteur d'activité Fitbit Flex n'est pas une mesure valide du nombre de pas et de la distance parcourue dans cet échantillon de patients après une chirurgie cardiaque. Selon l'absence de concordance entre les résultats et les critères, le moniteur Fitbit Flex ne serait pas une mesure de résultat clinique acceptable pour surveiller la progression de la marche au début de la période postopératoire.

Use of Rasch Analysis to Evaluate and Refine the Community Balance and Mobility Scale for Use in Ambulatory Community-Dwelling Adults Following Stroke.

BACKGROUND: The Community Balance and Mobility Scale (CB&M) is increasingly used to evaluate walking balance following stroke. OBJECTIVE: This study applied Rasch analysis to evaluate and refine the CB&M for use in ambulatory community-dwelling adults following stroke. METHODS: The CB&M content was linked to task demands and motor skill classifications. Rasch analysis was used to evaluate internal construct validity (structural validity) and refine the CB&M for use with ambulatory community-dwelling adults following stroke. The CB&M data were collected at 3 time points: at discharge from inpatient rehabilitation and at 6 and 12 months postdischarge (N=238). Rasch analysis evaluated scale dimensionality, item and person fit, item response bias, scoring hierarchy, and targeting. Disordered scoring hierarchy was resolved by collapsing scoring categories. Highly correlated and "misfitting" items were removed. Sensitivity to change was evaluated with standardized response means (SRMs) and one-way repeated-measures analysis of variance. RESULTS: The CB&M was primarily linked to closed body transport task demands. Significant item-trait interaction, disordered scoring hierarchies, and multidimensionality were found. Scoring categories were collapsed in 15/19 items, and 5 misfitting items were removed. The resulting stroke-specific 14-item unidimensional CB&M (CB&MStroke) fit Rasch model expectations, with no item response bias, acceptable targeting (13% floor effects and 0% ceiling effects), and moderate-to-strong sensitivity to change at 6 months postdischarge (SRM=0.63; 95% confidence interval=-1.523, -0.142) and 12 months postdischarge (SRM=0.73; 95% confidence interval=-2.318, -0.760). LIMITATIONS: Findings are limited to a modest-sized sample of individuals with mild-to-moderate balance impairment following stroke. CONCLUSIONS: The CB&MStroke shows promise as a clinical scale for measuring change in walking balance in ambulatory community-dwelling adults poststroke. Future studies are recommended in a larger sample to validate and further refine the scale for use in this clinical population.

Protocol for a randomized controlled clinical trial investigating the effectiveness of Fast muscle Activation and Stepping Training (FAST) for improving balance and mobility in sub-acute stroke.

BACKGROUND: Following stroke, many people have difficulty activating their paretic muscles quickly and with sufficient power to regain their balance by taking quick and effective steps. Reduced dynamic balance and mobility following stroke, or 'walking balance', is associated with reduced self-efficacy and restrictions in daily living activities, community integration, and quality of life. Targeted training of movement speeds required to effectively regain balance has been largely overlooked in post-stroke rehabilitation. The Fast muscle Activation and Stepping Training (FAST) program incorporates fast functional movements known to produce bursts of muscle activation essential for stepping and regaining standing balance effectively. The purpose of this study is to: 1) compare the effectiveness of an outpatient FAST program to an active control outpatient physiotherapy intervention in improving walking balance following stroke, and 2) explore potential mechanisms associated with improvements in walking balance. METHODS/DESIGN: This will be an assessor-blinded, parallel group randomized controlled trial design. Sixty participants (30 per group) who have sustained a stroke within the previous six months will be randomly assigned with stratification for lower limb motor recovery to receive twelve 45-minute 1:1 physiotherapy intervention sessions over 6 - 10 weeks in an outpatient setting of either: 1) FAST intervention - systematic and progressive practice of fast squatting and stepping exercises, or 2) active control - conventional physiotherapy directed at improving balance and mobility that includes no targeted fast movement training. The same blinded research physiotherapist will assess outcomes at three time points: 1) baseline (prior to intervention), 2) follow up (within one week post-intervention); and 3) retention (one month post-intervention). The primary outcome is dynamic balance assessed using the Community Balance and Mobility Scale. We will also assess fast and self-selected walking speed, balance self-efficacy, and the ability to respond to internal and external perturbations to balance and associated changes in postural muscle activation. DISCUSSION: The targeted training of fast functional movements in the FAST program is expected to improve walking balance following stroke compared to the active control intervention. Unique to this study is the investigation of potential mechanisms associated with improvements in walking balance. TRIAL REGISTRATION: NCT01573585.