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1.
Arch Phys Med Rehabil ; 104(9): 1371-1377, 2023 09.
Artículo en Inglés | MEDLINE | ID: mdl-37209934

RESUMEN

OBJECTIVES: To evaluate the effectiveness of a home-based simulator training, in comparison with a videogame-based training, in terms of powered wheelchair driving skills, skills use in a real-world setting, and driving confidence. DESIGN: Single-blinded randomized controlled trial. SETTING: Community. PARTICIPANTS: New powered wheelchair users (N=47) randomly allocated to simulator group (n=24, 2 drop-out) and control group (n=23, 3 drop-out). INTERVENTIONS: The miWe wheelchair simulator (simulator group) or a kart driving videogame (control group) was setted-up at participants' homes (computer + joystick). They were instructed to use it at least 20 minutes every 2 days, during a period of 2 weeks. PRIMARY OUTCOME MEASURE(S): Assessments were done at baseline (T1) and post-training (T2) using the Wheelchair Skills Test Questionnaire (WST-Q, version 4.1), Wheelchair Confidence Scale (WheelCon), Assistive Technology Outcomes Profile for Mobility, and Life-Space Assessment (LSA). The time necessary to complete 6 WST tasks was measured with a stopwatch. RESULTS: Participants of the simulator group significantly increased their WST-Q capacity score at T2 by 7.5% (P<.05), whereas the control group remained at the same score (P=.218). Participants of both groups rolled backward and went through a door significantly faster at T2 (P=.007; P=.016), but their speed did not change for the other skills. The WheelCon score significantly increased after training (+4% for the control group and +3.5% for the simulator group, P=.001). There was no T1-T2 difference between groups for the WST-Q performance scores (P=.119), the ATOP-Activity (P=.686), the ATOP-Participation scores (P=.814), and the LSA score (P=.335). No adverse events or side effects were reported during data collection or training. CONCLUSIONS: Participants of both groups improved some skills and their wheelchair driving confidence. The simulator training group also demonstrated a modest post-training gain in their WST-Q capacity, but more studies would be needed to explore the long-term effects of the McGill immersive wheelchair simulator (miWe) simulator on driving skills.


Asunto(s)
Silla de Ruedas , Humanos , Encuestas y Cuestionarios , Destreza Motora
2.
Artículo en Inglés | MEDLINE | ID: mdl-38015277

RESUMEN

Scholarly practice (SP) is considered a key competency of occupational therapy and physiotherapy. To date, the three sectors-education/research, practice, and policy/regulation-that support SP have been working relatively independently. The goals of this project were to (a) understand how representatives of the three sectors conceptualize SP; (b) define each sector's individual and collective roles in supporting SP; (c) identify factors influencing the enactment of SP and the specific needs of how best to support SP; and (d) co-develop goals and strategies to support SP across all sectors. We used interpretive description methodology. Consistent with an integrated knowledge translation approach, partners representing the three sectors across Canada recruited individuals from each sector, developed the content and questions for three focus groups, and collected and analyzed the data. Inspired by the Consolidated Framework for Implementation Research, we developed the questions for the second focus group. We analyzed the data using an inductive thematic analysis method. Thirty-nine participants from the three sectors participated. Themes related to participants' conceptualization of SP included (a) ongoing process, (b) reflective process, (c) broad concept, and (d) collective effort. Themes describing factors influencing and supporting SP were (a) recognition, (b) appropriate conceptualization, (c) social network, (d) accessibility to resources, and (e) forces outside of practitioners' effort. Goals to support SP included (a) further recognizing SP, (b) sustaining SP competency, and (c) ensuring access to information. SP requires collaborative and integrated intersectoral support and further recognition of its importance through the collaboration of multiple stakeholders.

3.
Exp Brain Res ; 239(7): 2317-2330, 2021 Jul.
Artículo en Inglés | MEDLINE | ID: mdl-34091697

RESUMEN

Locomotor adaptations, as required for community walking, rely heavily on the sense of vision. Little is known, however, about gaze behavior during pedestrian interactions while ambulating in the community. Our objective was to characterize gaze behavior while walking in a community environment and interacting with pedestrians of different locations and directions. Twelve healthy young individuals were assessed as they walked in a shopping mall from a pre-set location to a goal located 20 m ahead. Eye movements were recorded with a binocular eye-tracker and temporal distance factors were assessed using wearable sensors from a full-body motion capture system. Participants exhibited more numerous and longer gaze episodes on pedestrians (GEP) that were walking in the same direction as themselves vs. those that were in the opposite direction. The relative durations of GEPs, however, showed no significant differences between pedestrians walking in the same vs. opposite direction. Longer durations of GEPs were also observed for centrally located pedestrians compared to those located on either side, but this was the case only for pedestrians that were walking in the same direction as participants. In addition, pedestrians in the centre, and even more so those on the right, were fixated at farther distances compared to those on the left. Results indicate that healthy young individuals modulate their gaze behavior as a function of the location and direction of pedestrians when ambulating in a community environment. The observed modulation is interpreted as being caused by an interplay between collision risk, pedestrian visibility, presence of leaders and social conventions (right-sided circulation). Present results also establish baseline measures for the quantification of defective visuomotor strategies in individuals with mobility disorders.


Asunto(s)
Peatones , Ambiente , Movimientos Oculares , Humanos , Caminata
4.
J Neuroeng Rehabil ; 18(1): 142, 2021 09 21.
Artículo en Inglés | MEDLINE | ID: mdl-34548085

RESUMEN

BACKGROUND: Motor learning of appropriate manual wheelchair propulsion is critical, as incorrect technique elevates risk for upper extremity pain. Virtual reality simulators allow users to practice this complex task in a safe and realistic environment. Additionally, augmented feedback (AF) may be provided in order to optimize learning. The purpose of this study was to investigate the effects of providing AF with various delivery schedules on motor learning and transfer of this skill to over-ground propulsion. METHODS: Thirty healthy young adults were randomly assigned to three groups. During a virtual reality propulsion training session, the high-frequency AF group received AF in the form of knowledge of performance throughout all propulsion training; the faded AF group received this AF in a faded schedule (high relative frequency of AF early in practice, with relative frequency of AF provision diminishing throughout practice); and the control group underwent training with no AF. Propulsion assessments were performed at baseline and 48 h after practice in both virtual and real environments to measure retention and transfer, respectively. RESULTS: Compared to the control group, both feedback groups exhibited significant improvements in contact angle and push frequency in both environments after training. Small, non-significant between-group differences were also found between the high-frequency and faded feedback groups. CONCLUSION: Virtual reality training is an effective learning intervention for acquisition, retention, and transfer of appropriate manual wheelchair propulsion technique when such training includes AF regarding propulsion biomechanics.


Asunto(s)
Realidad Virtual , Silla de Ruedas , Fenómenos Biomecánicos , Retroalimentación , Humanos , Aprendizaje , Adulto Joven
5.
J Neuroeng Rehabil ; 18(1): 136, 2021 09 09.
Artículo en Inglés | MEDLINE | ID: mdl-34503526

RESUMEN

BACKGROUND: Walking with a haptic tensile force applied to the hand in a virtual environment (VE) can induce adaptation effects in both chronic stroke and non-stroke individuals. These effects are reflected in spatiotemporal outcomes such as gait speed. However, the concurrent kinematic changes occurring in bilateral lower limb coordination have yet to be explored. METHODS: Chronic stroke participants were stratified based on overground gait speed into lower functioning (LF < 0.8 m/s, N = 7) and higher functioning (HF ≥ 0.8 m/s, N = 7) subgroups. These subgroups and an age-matched control group (N = 14, CG) walked on a self-paced treadmill in a VE with either robot-generated haptic leash forces delivered to the hand and then released or with an instrumented cane. Walking in both leash (10 and 15 N) and cane conditions were compared to pre-force baseline values to evaluate changes in lower limb coordination outcomes. RESULTS: All groups showed some kinematic changes in thigh, leg and foot segments when gait speed increased during force and post-force leash as well as cane walking. These changes were also reflected in intersegmental coordination and 3D phase diagrams, which illustrated increased intersegmental trajectory areas (p < 0.05) and angular velocity. These increases could also be observed when the paretic leg transitions from stance to swing phases while walking with the haptic leash. The Sobolev norm values accounted for both angular position and angular velocity, providing a single value for potentially quantifying bilateral (i.e. non-paretic vs paretic) coordination during walking. These values tended to increase (p < 0.05) proportionally for both limbs during force and post-force epochs as gait speed tended to increase. CONCLUSIONS: Individuals with chronic stroke who increased their gait speed when walking with tensile haptic forces and immediately after force removal, also displayed moderate concurrent changes in lower limb intersegmental coordination patterns in terms of angular displacement and velocity. Similar results were also seen with cane walking. Although symmetry was less affected, these findings appear favourable to the functional recovery of gait. Both the use of 3D phase diagrams and assigning Sobolev norm values are potentially effective for detecting and quantifying these coordination changes.


Asunto(s)
Robótica , Rehabilitación de Accidente Cerebrovascular , Accidente Cerebrovascular , Fenómenos Biomecánicos , Marcha , Humanos , Extremidad Inferior , Caminata , Velocidad al Caminar
6.
J Neuroeng Rehabil ; 18(1): 61, 2021 04 14.
Artículo en Inglés | MEDLINE | ID: mdl-33853614

RESUMEN

BACKGROUND: Approximately 80% of individuals with chronic stroke present with long lasting upper extremity (UE) impairments. We designed the perSonalized UPper Extremity Rehabilitation (SUPER) intervention, which combines robotics, virtual reality activities, and neuromuscular electrical stimulation (NMES). The objectives of our study were to determine the feasibility and the preliminary efficacy of the SUPER intervention in individuals with moderate/severe stroke. METHODS: Stroke participants (n = 28) received a 4-week intervention (3 × per week), tailored to their functional level. The functional integrity of the corticospinal tract was assessed using the Predict Recovery Potential algorithm, involving measurements of motor evoked potentials and manual muscle testing. Those with low potential for hand recovery (shoulder group; n = 18) received a robotic-rehabilitation intervention focusing on elbow and shoulder movements only. Those with a good potential for hand recovery (hand group; n = 10) received EMG-triggered NMES, in addition to robot therapy. The primary outcomes were the Fugl-Meyer UE assessment and the ABILHAND assessment. Secondary outcomes included the Motor Activity Log and the Stroke Impact Scale. RESULTS: Eighteen participants (64%), in either the hand or the shoulder group, showed changes in the Fugl-Meyer UE or in the ABILHAND assessment superior to the minimal clinically important difference. CONCLUSIONS: This indicates that our personalized approach is feasible and may be beneficial in improving UE function in individuals with moderate to severe impairments due to stroke. TRIAL REGISTRATION: ClinicalTrials.gov NCT03903770. Registered 4 April 2019. Registered retrospectively.


Asunto(s)
Terapia por Estimulación Eléctrica/métodos , Recuperación de la Función , Robótica/métodos , Rehabilitación de Accidente Cerebrovascular/métodos , Realidad Virtual , Adulto , Anciano , Estudios de Factibilidad , Humanos , Masculino , Persona de Mediana Edad , Accidente Cerebrovascular/fisiopatología , Extremidad Superior/fisiopatología
7.
J Neuroeng Rehabil ; 17(1): 163, 2020 12 09.
Artículo en Inglés | MEDLINE | ID: mdl-33298128

RESUMEN

This article is inspired by a pseudo Oxford-style debate, which was held in Tel Aviv University, Israel at the International Conference on Virtual Rehabilitation (ICVR) 2019, which is the official conference of the International Society for Virtual Rehabilitation. The debate, between two 2-person teams with a moderator, was organized by the ICVR Program committee to address the question "Will virtual rehabilitation replace clinicians?" It brought together five academics with technical, research, and/or clinical backgrounds-Gerry Fluet, Tal Krasovsky, Anat Lubetzky, Philippe Archambault, W. Geoffrey Wright-to debate the pros and cons of using virtual reality (VR) and related technologies to help assess, diagnose, treat, and track recovery, and more specifically investigate the likelihood that advanced technology will ultimately replace human clinicians. Both teams were assigned a side to defend, whether it represented their own viewpoint or not, and to take whatever positions necessary to make a persuasive argument and win the debate. In this paper we present a recapitulation of the arguments presented by both sides, and further include an in-depth consideration of the question. We attempt to judiciously lay out a number of arguments that fall along a spectrum from moderate to extreme; the most extreme and/or indefensible positions are presented for rhetorical and demonstrative purposes. Although there may not be a clear answer today, this paper raises questions which are related to the basic nature of the rehabilitation profession, and to the current and potential role of technology within it.


Asunto(s)
Rehabilitación/métodos , Rehabilitación/tendencias , Telerrehabilitación/tendencias , Humanos , Realidad Virtual
8.
Neuropsychol Rehabil ; 30(2): 207-232, 2020 Mar.
Artículo en Inglés | MEDLINE | ID: mdl-29614914

RESUMEN

BACKGROUND: Unilateral spatial neglect (USN), a highly prevalent and disabling post-stroke deficit, severely affects functional mobility. Visual perceptual abilities (VPAs) are essential in activities involving mobility. However, whether and to what extent post-stroke USN affects VPAs and how they contribute to mobility impairments remains unclear. OBJECTIVES: To estimate the extent to which VPAs in left and right visual hemispaces are (1) affected in post-stroke USN; and (2) contribute to goal-directed locomotion. METHODS: Individuals with (USN+, n = 15) and without (USN-, n = 15) post-stroke USN and healthy controls (HC, n = 15) completed (1) psychophysical evaluation of contrast sensitivity, optic flow direction and coherence, and shape discrimination; and (2) goal-directed locomotion tasks. RESULTS: Higher discrimination thresholds were found for all VPAs in the USN+ group compared to USN- and HC groups (p < 0.05). Psychophysical tests showed high sensitivity in detecting deficits in individuals with a history of USN or with no USN on traditional assessments, and were found to be significantly correlated with goal-directed locomotor impairments. CONCLUSION: Deficits in VPAs may account for the functional difficulties experienced by individuals with post-stroke USN. Psychophysical tests used in the present study offer important advantages and can be implemented to enhance USN diagnostics and rehabilitation.


Asunto(s)
Trastornos Neurológicos de la Marcha/fisiopatología , Actividad Motora/fisiología , Trastornos de la Percepción/fisiopatología , Umbral Sensorial/fisiología , Percepción Espacial/fisiología , Accidente Cerebrovascular/fisiopatología , Percepción Visual/fisiología , Adulto , Anciano , Femenino , Trastornos Neurológicos de la Marcha/etiología , Humanos , Masculino , Persona de Mediana Edad , Trastornos de la Percepción/etiología , Psicofísica/métodos , Accidente Cerebrovascular/complicaciones
9.
J Neuroeng Rehabil ; 16(1): 12, 2019 01 18.
Artículo en Inglés | MEDLINE | ID: mdl-30658668

RESUMEN

BACKGROUND: Powered wheelchair (PW) driving is a complex activity and requires the acquisition of several skills. Given the risks involved with PW use, safe and effective training methods are needed. Virtual reality training allows users to practice difficult tasks in a safe environment. An additional benefit is that augmented feedback can be provided to optimize learning. The purpose of this study was to investigate whether providing augmented feedback during powered wheelchair simulator training results in superior performance, and whether skills learned in a virtual environment transfer to real PW driving. METHODS: Forty healthy young adults were randomly allocated to two groups: one received augmented feedback during simulator training while the control group received no augmented feedback. PW driving performance was assessed at baseline in both the real and virtual environment (RE and VE), after training in VE and two days later in VE and RE (retention and transfer tests). RESULTS: Both groups showed significantly better task completion time and number of collisions in the VE after training and these results were maintained two days later. The transfer test indicated better performance in the RE compared to baseline for both groups. Because time and collisions interact, a post-hoc 2D Kolmogonov-Smirnov test was used to investigate the differences in the speed-accuracy distributions for each group; a significant difference was found for the group receiving augmented feedback, before and after training, whereas the difference was not significant for the control group. There were no differences at the retention test, suggesting that augmented feedback was most effective during and immediately after training. CONCLUSIONS: PW simulator training is effective in improving task completion time and number of collisions. A small effect of augmented feedback was seen when looking at differences in the speed-accuracy distributions, highlighting the importance of accounting for the speed-accuracy tradeoff for PW driving.


Asunto(s)
Entrenamiento Simulado/métodos , Realidad Virtual , Silla de Ruedas , Simulación por Computador , Retroalimentación , Femenino , Humanos , Masculino , Desempeño Psicomotor/fisiología , Interfaz Usuario-Computador , Adulto Joven
10.
J Neuroeng Rehabil ; 15(1): 34, 2018 04 23.
Artículo en Inglés | MEDLINE | ID: mdl-29685145

RESUMEN

BACKGROUND: Unilateral spatial neglect (USN), a highly prevalent and disabling post-stroke impairment, has been shown to affect the recovery of locomotor and navigation skills needed for community mobility. We recently found that USN alters goal-directed locomotion in conditions of different cognitive/perceptual demands. However, sensorimotor post-stroke dysfunction (e.g. decreased walking speed) could have influenced the results. Analogous to a previously used goal-directed locomotor paradigm, a seated, joystick-driven navigation experiment, minimizing locomotor demands, was employed in individuals with and without post-stroke USN (USN+ and USN-, respectively) and healthy controls (HC). METHODS: Participants (n = 15 per group) performed a seated, joystick-driven navigation and detection time task to targets 7 m away at 0°, ±15°/30° in actual (visually-guided), remembered (memory-guided) and shifting (visually-guided with representational updating component) conditions while immersed in a 3D virtual reality environment. RESULTS: Greater end-point mediolateral errors to left-sided targets (remembered and shifting conditions) and overall lengthier onsets in reorientation strategy (shifting condition) were found for USN+ vs. USN- and vs. HC (p < 0.05). USN+ individuals mostly overshot left targets (- 15°/- 30°). Greater delays in detection time for target locations across the visual spectrum (left, middle and right) were found in USN+ vs. USN- and HC groups (p < 0.05). CONCLUSION: USN-related attentional-perceptual deficits alter navigation abilities in memory-guided and shifting conditions, independently of post-stroke locomotor deficits. Lateralized and non-lateralized deficits in object detection are found. The employed paradigm could be considered in the design and development of sensitive and functional assessment methods for neglect; thereby addressing the drawbacks of currently used traditional paper-and-pencil tools.


Asunto(s)
Trastornos de la Percepción/diagnóstico , Accidente Cerebrovascular/complicaciones , Realidad Virtual , Adulto , Anciano , Femenino , Humanos , Masculino , Persona de Mediana Edad , Pruebas Neuropsicológicas , Trastornos de la Percepción/etiología , Trastornos de la Percepción/fisiopatología , Accidente Cerebrovascular/fisiopatología
11.
J Neuroeng Rehabil ; 15(1): 20, 2018 03 13.
Artículo en Inglés | MEDLINE | ID: mdl-29534731

RESUMEN

BACKGROUND: Developing rehabilitation strategies to improve functional walking and postural control in patients is a priority for rehabilitation clinicians and researchers alike. One possible strategy is the use of sensory modalities to elicit adaptive locomotor gait patterns. This study aimed to explore to what extent haptic inputs, in the form of forward-leading tensile forces delivered to the hand, compared to no force, may lead to adaptation and post-adaptation effects on gait parameters, during and after the haptic exposure, respectively. METHODS: Thirteen healthy young individuals were recruited for this study. We developed an innovative system combining virtual reality and haptic tensile forces in the direction of locomotion to simulate walking with a dog. A robotic arm generated forces via an adapted leash to the participant's hand while they walked on a self-paced treadmill immersed in a virtual environment with scene progression synchronized to the treadmill. RESULTS: All participants showed significant increases in instantaneous gait velocity and stride length, with accompanying decreases in double-limb support time (p < 0.05) when walking with a haptic tensile force of either 10 or 20 N, relative to pre-force epoch levels, indicating an adaptation effect. When the 10 or 20 N force was removed, gait measures generally remained changed relative to baseline pre-force levels (p < 0.05), providing evidence of a post-adaptation effect. CONCLUSIONS: Changes in spatiotemporal outcomes provide evidence that both adaptation and post-adaptation effects were present in response to the application and removal of a haptic force. Future studies will investigate whether similar changes in elderly and post-stroke populations can be actualized during steady-state walking.


Asunto(s)
Adaptación Fisiológica/fisiología , Marcha/fisiología , Caminata/fisiología , Adolescente , Adulto , Femenino , Humanos , Masculino , Estimulación Física , Adulto Joven
12.
Neuropsychol Rehabil ; 27(3): 409-454, 2017 Apr.
Artículo en Inglés | MEDLINE | ID: mdl-26620135

RESUMEN

Unilateral spatial neglect (USN) is a highly prevalent post-stroke deficit. Currently, there is no gold standard USN assessment which encompasses the heterogeneity of this disorder and that is sensitive to detect mild deficits. Similarly, there is a limited number of high quality studies suggesting that conventional USN treatments are effective in improving functional outcomes and reducing disability. Virtual reality (VR) provides enhanced methods for USN assessment and treatment. To establish best-practice recommendations with respect to its use, it is necessary to appraise the existing evidence. This systematic review aimed to identify and appraise existing VR-based USN assessments; and to determine whether VR is more effective than conventional therapy. Assessment tools were critically appraised using standard criteria. The methodological quality of the treatment trials was rated by two authors. The level of evidence according to stage of recovery was determined. Findings were compiled into a VR-based USN Assessment and Treatment Toolkit (VR-ATT). Twenty-three studies were identified. The proposed VR tools augmented the conventional assessment strategies. However, most studies lacked analysis of psychometric properties. There is limited evidence that VR is more effective than conventional therapy in improving USN symptoms in patients with stroke. It was concluded that VR-ATT could facilitate identification and decision-making as to the appropriateness of VR-based USN assessments and treatments across the continuum of stroke care, but more evidence is required on treatment effectiveness.


Asunto(s)
Trastornos de la Percepción/rehabilitación , Percepción Espacial , Rehabilitación de Accidente Cerebrovascular/métodos , Accidente Cerebrovascular/fisiopatología , Interfaz Usuario-Computador , Humanos , Trastornos de la Percepción/etiología , Trastornos de la Percepción/fisiopatología , Guías de Práctica Clínica como Asunto , Accidente Cerebrovascular/complicaciones
13.
J Neuroeng Rehabil ; 13: 3, 2016 Jan 19.
Artículo en Inglés | MEDLINE | ID: mdl-26786110

RESUMEN

BACKGROUND: Powered wheelchair (PW) training involving combined navigation and reaching is often limited or unfeasible. Virtual reality (VR) simulators offer a feasible alternative for rehabilitation training either at home or in a clinical setting. This study evaluated a low-cost magnetic-based hand motion controller as an interface for reaching tasks within the McGill Immersive Wheelchair (miWe) simulator. METHODS: Twelve experienced PW users performed three navigation-reaching tasks in the real world (RW) and in VR: working at a desk, using an elevator, and opening a door. The sense of presence in VR was assessed using the iGroup Presence Questionnaire (IPQ). We determined concordance of task performance in VR with that in the RW. A video task analysis was performed to analyse task behaviours. RESULTS: Compared to previous miWe data, IPQ scores were greater in the involvement domain (p < 0.05). Task analysis showed most of navigation and reaching behaviours as having moderate to excellent (K > 0.4, Cohen's Kappa) agreement between the two environments, but greater (p < 0.05) risk of collisions and reaching errors in VR. VR performance demonstrated longer (p < 0.05) task times and more discreet movements for the elevator and desk tasks but not the door task. CONCLUSIONS: Task performance showed poorer kinematic performance in VR than RW but similar strategies. Therefore, the reaching component represents a promising addition to the miWe training simulator, though some limitations must be addressed in future development.


Asunto(s)
Mano/fisiología , Desempeño Psicomotor , Silla de Ruedas , Adulto , Fenómenos Biomecánicos , Gráficos por Computador , Simulación por Computador , Femenino , Humanos , Masculino , Persona de Mediana Edad , Satisfacción del Paciente , Encuestas y Cuestionarios , Análisis y Desempeño de Tareas , Interfaz Usuario-Computador
14.
J Sport Rehabil ; 25(1)2016 02 01.
Artículo en Inglés | MEDLINE | ID: mdl-25962861

RESUMEN

CONTEXT: Joint-position sense (JPS) plays a critical role in the stability of shoulder joint. Restoration of JPS is essential to improve rehabilitation outcomes in individuals with shoulder injury. However, the number of affordable and reliable shoulder-JPS measurement methods for everyday clinical practice is limited. OBJECTIVE: To estimate reliability and validity of 3 simple shoulder-JPS measurement methods. DESIGN: Cross-sectional study. PARTICIPANTS: 25 healthy men and women. MAIN OUTCOME MEASURE: Absolute-error scores of JPS in 3 ranges of shoulder flexion (low, mid, and high), measured with a laser pointer, an inclinometer, and a goniometer in 2 separate sessions (48 h apart). RESULTS: Overall interrater and intrarater intraclass correlation coefficients were .86 and .78 for the laser pointer, .67 and .70 for the inclinometer, and .60 and .50 for the goniometer, respectively. There was excellent reliability in the low range for the laser pointer and inclinometer methods, but fair to good and poor reliability in mid- and high ranges, respectively. All methods showed strong validity. CONCLUSION: The laser pointer and inclinometer JPS measurement methods are reliable and can be used by clinicians during rehabilitation of shoulder injuries.


Asunto(s)
Artrometría Articular/instrumentación , Propiocepción/fisiología , Rango del Movimiento Articular/fisiología , Articulación del Hombro/fisiología , Adulto , Artrometría Articular/economía , Fenómenos Biomecánicos , Estudios Transversales , Femenino , Humanos , Masculino , Variaciones Dependientes del Observador , Reproducibilidad de los Resultados
15.
BMC Musculoskelet Disord ; 16: 273, 2015 Sep 30.
Artículo en Inglés | MEDLINE | ID: mdl-26423066

RESUMEN

BACKGROUND: Work-related musculoskeletal disorders (WMSD) is the most expensive form of work disability. Female sex has been considered as an individual risk factor for the development of WMSD, specifically in the neck and shoulder region. One of the factors that might contribute to the higher injury rate in women is possible differences in neuromuscular control. Accordingly the purpose of this study was to estimate the effect of sex on shoulder joint position sense acuity (as a part of shoulder neuromuscular control) in healthy individuals. METHODS: Twenty-eight healthy participants, 14 females and 14 males were recruited for this study. To test position sense acuity, subjects were asked to flex their dominant shoulder to one of the three pre-defined angle ranges (low, mid and high-ranges) with eyes closed, hold their arm in that position for three seconds, go back to the starting position and then immediately replicate the same joint flexion angle, while the difference between the reproduced and original angle was taken as the measure of position sense error. The errors were measured using Vicon motion capture system. Subjects reproduced nine positions in total (3 ranges × 3 trials each). RESULTS: Calculation of absolute repositioning error (magnitude of error) showed no significant difference between men and women (p-value ≥ 0.05). However, the analysis of the direction of error (constant error) showed a significant difference between the sexes, as women tended to mostly overestimate the target, whereas men tended to both overestimate and underestimate the target (p-value ≤ 0.01, observed power = 0.79). The results also showed that men had a significantly more variable error, indicating more variability in their position sense, compared to women (p-value ≤ 0.05, observed power = 0.78). DISCUSSION: Differences observed in the constant JPS error suggest that men and women might use different neuromuscular control strategies in the upper limb. In addition, higher JPS variability observed in men might be one of the factors that could contribute to their lower rate of musculoskeletal disorders, compared to women. CONCLUSIONS: The result of this study showed that shoulder position sense, as part of the neuromuscular control system, differs between men and women. This finding can help us better understand the reasons behind the higher rate of musculoskeletal disorders in women, especially in the working environments.


Asunto(s)
Propiocepción , Células Receptoras Sensoriales/fisiología , Articulación del Hombro/inervación , Adulto , Fenómenos Biomecánicos , Estudios Transversales , Femenino , Humanos , Masculino , Rango del Movimiento Articular , Factores Sexuales , Adulto Joven
16.
Cereb Cortex ; 23(11): 2644-56, 2013 Nov.
Artículo en Inglés | MEDLINE | ID: mdl-22918983

RESUMEN

The parietal mechanisms for online control of hand trajectory were studied by combining single-cell recording and reversible inactivation of superior parietal area 5 (PE/PEc; SPL) of monkeys while these made reaches and saccades to visual targets, when the target position changed unexpectedly. Neural activity was modulated by hand position, speed, and movement direction, and by pre- and/or postsaccadic signals. After bilateral muscimol injection, an increase in the hand reaction- and movement-time toward both the first and second targets was observed. This caused an increase in the time necessary for the trajectory correction, and therefore an elongation of the hand-path toward the first target location. Furthermore, hand trajectories were different in shape than control ones. An elongation of the eye reaction time to both first and second targets was also observed, which could partially explain the deficit of planning and correction of hand movement. These results identify the superior parietal lobule as a crucial node in the online control of hand and eye movement and highlight the role of the eye impairment in the emergence of the reaching disorder so far regarded as the hallmark of optic ataxia.


Asunto(s)
Ataxia/fisiopatología , Mano/fisiopatología , Movimiento , Lóbulo Parietal/fisiopatología , Desempeño Psicomotor/fisiología , Movimientos Sacádicos , Animales , Modelos Animales de Enfermedad , Macaca mulatta , Masculino
17.
Disabil Rehabil ; 46(5): 957-968, 2024 Mar.
Artículo en Inglés | MEDLINE | ID: mdl-36945786

RESUMEN

PURPOSE: To identify partnership research challenges and facilitators, as experienced by members of the Inclusive Society (IS) initiative. MATERIALS AND METHODS: A case study was conducted on all partnership research projects conducted between 2017 and 2019 under the IS initiative through surveys, interviews with the IS community, logbooks, and focus group. Thematic analysis and descriptive analysis were undertaken. RESULTS: To work effectively with a diversity of stakeholders, winning conditions must be created for the project from the outset. These include determining the team functioning, project objectives, the expectations of each party, and agreeing on a realistic action plan. Project implementation with concern for sustained stakeholder commitment, good working relationships, and achieving project objectives requires organizational planning that favours partner involvement, shared leadership, agreed methods for communicating, conflict resolution methods, recognition of each participant's expertise, and creating a climate of trust. Upon concluding a partnership research project, it is essential to devote time to implement project results in local environments and to ascertain their usefulness to partners.IS partnership research challenges and facilitators are similar to those identified in past research. Despite this knowledge, challenges persist. Future research could explore tools and practices from other domain to overcome partnership research challenges.


Partnership research has the potential to contribute to a more inclusive society for people with disabilities.Challenges and facilitators are identified for the stages of creating, implementing, and completing a partnership research project.Suggested solutions are offered to facilitate the conduct of a partnership research project and to increase the project's chances of success.Partnership research could benefit from using tools from other fields such as community development and social innovation to successfully implement some of the facilitators and overcome specific barriers to partnership research.


Asunto(s)
Personas con Discapacidad , Inclusión Social , Humanos , Grupos Focales
18.
Disabil Rehabil Assist Technol ; 18(8): 1489-1499, 2023 11.
Artículo en Inglés | MEDLINE | ID: mdl-35175178

RESUMEN

PURPOSE: Individuals with impaired mobility often require assistance for getting around. The skilled use of a manual wheelchair (MW) is required in order to gain independence while preventing injuries. Training in a virtual reality (VR) setting allows for safe practice of MW skills in a wide range of environments. We developed a low-cost MW simulator which includes visual and haptic feedback. Our objectives were to assess the usability and fidelity of the VR simulator, by clinicians and expert MW users, and to determine whether the addition of haptic feedback would positively improve the user's experience. MATERIALS AND METHODS: This mixed method study investigated the sense of presence, overall experience and ease of use of the experience in six MW users, as well as five clinicians (wheeled mobility experts) who practiced in the simulator. RESULTS: Participants reported a positive perception of usefulness, sense of presence, and immersion during the MiWe simulator experience. The addition of haptic feedback to the simulator significantly enhanced fidelity of the overall experience, compared to the no-feedback condition. CONCLUSION: Our low-cost simulator was well perceived by clinicians and MW users and was considered as a potentially useful tool to complement MW skill training.IMPLICATIONS FOR REHABILITATIONWe developed a low-cost, virtual reality simulator with visual and haptic feedback, for the practice of manual wheelchair skills.Expert clinicians and wheelchair users reported a positive experience after practicing in the wheelchair simulator, in terms of presence, realism and usability.Participants highlighted the potential usefulness of our low-cost simulator in the training of manual wheelchair skills.


Asunto(s)
Realidad Virtual , Silla de Ruedas , Humanos , Retroalimentación , Simulación por Computador , Interfaz Usuario-Computador
19.
Assist Technol ; 35(5): 389-398, 2023 09 03.
Artículo en Inglés | MEDLINE | ID: mdl-35737961

RESUMEN

METHOD: Participants included 30 children and adolescents (23 males, 13 females) with cerebral palsy and other neuromuscular diseases, aged 6-18. Data were collected and compared at baseline and after 12 weeks of home-based practice via a powered wheelchair or a simulator. Powered mobility ability was determined by the Powered Mobility Program (PMP), the Israel Ministry of Health's Powered Mobility Proficiency Test (PM-PT) and the Assessment of Learning Powered Mobility (ALP). RESULTS: All participants practiced for the required amount of time and both groups reported a similar user experience. Both groups achieved significant improvement following the practice period as assessed by the PMP and PM-PT assessments, with no significant differences between them. A significant improvement was found in the ALP assessment outcomes for the powered wheelchair group only. CONCLUSIONS: This is the first study, to our knowledge, that compares two different wheelchair training methods. Simulator-based practice is an effective training option for powered mobility for children with physical disabilities aged 6-18 years old, demonstrating that it is possible to provide driving skill practice opportunities safe, controlled environments.


Asunto(s)
Parálisis Cerebral , Personas con Discapacidad , Enfermedades Neuromusculares , Silla de Ruedas , Masculino , Femenino , Adolescente , Humanos , Niño , Aprendizaje
20.
Disabil Rehabil Assist Technol ; 18(1): 109-117, 2023 01.
Artículo en Inglés | MEDLINE | ID: mdl-36264670

RESUMEN

PURPOSE: Power wheelchairs (PWCs) can enhance independent mobility. The World Health Organization recommends training PWC users. However, current PWC training approaches do not always meet the needs of PWC users with complex mobility and cognitive impairment. The aim was to co-develop an innovative approach to PWC training for individuals with complex mobility and cognitive impairments. MATERIALS AND METHODS: A two-phase mixed method research, involving PWC users, clinicians and researchers throughout all aspects of the research, was realized. (1) Interviews and focus groups were used. (2) The Delphi method was followed to refine the PWC training approach. RESULTS: Phase 1: Twenty-six stakeholders indicated that PWC training should consider the client as a partner, the learning environment, the proposed activities, interactions with the trainer and intervention format. Phase 2: two hundred and seven participants agreed that the PWC training should be goal directed, should be client-centred and occupation-based, should enhance client-therapist relationships and should be realized in a safe and adapted environment. CONCLUSIONS: Stakeholders on PWC use came to agreement on key components that should be applied when training people with cognitive impairments.


Stakeholders on power wheelchair (PWC) use came to agreement on key components that should be applied when training people with cognitive impairments.Power wheelchair training should be goal directed, should be client-centred and occupation-based, should enhance client­therapist relationships and should be realized in a safe and adapted environment.Results of this study may contribute to best practices for PWC training and may empower occupational therapists providing PWC in their clinical decision-making.


Asunto(s)
Disfunción Cognitiva , Silla de Ruedas , Humanos , Consenso , Aprendizaje , Silla de Ruedas/psicología
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