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1.
J Aging Phys Act ; 31(1): 81-88, 2023 02 01.
Article in English | MEDLINE | ID: mdl-35894992

ABSTRACT

Exercise that targets balance and strength is proven to prevent falls in older age. The Successful AGEing yoga trial is the first large randomized controlled trial to assess the impact of yoga on falls in people aged ≥60 years. We conducted a realist process evaluation to explain the strong participant engagement observed using interviews (21 participants and three yoga instructors) and focus groups (12 participants and four yoga instructors). Results showed that relaxation, breathing, and yoga's mind-body connection created a satisfying internal focus on bodily sensation which was valued by participants. The mechanisms of mindfulness and embodiment appeared to facilitate this. Mindfulness and embodiment are also linked to, and enhance engagement with, other forms of physical activity. By focusing creatively on these mechanisms, we can develop a range of programs that target improvements in physical and mental health (including reducing falls and fear of falls) and appeal to older people.


Subject(s)
Meditation , Yoga , Humans , Aged , Exercise , Aging
2.
Transl Behav Med ; 12(2): 225-236, 2022 02 16.
Article in English | MEDLINE | ID: mdl-35020938

ABSTRACT

Regular physical activity benefits health across the lifespan. Women in middle-age often juggle carer and work responsibilities, are often inactive, and may benefit from tailored support to increase physical activity. Establish the acceptability, feasibility, and impact on physical activity of a scalable program for women 50+ years. This pilot trial randomized participants to immediate program access, or to a wait-list control. [Active Women over 50 Online] program included: (1) study-specific website, (2) 8 emails or 24 SMS motivation-based messages, (3) one telephone health-coaching session. Outcomes, at 3 months, were acceptability (recommend study participation, intervention uptake), feasibility (recruitment, reach, completion), intervention impact (physical activity), intervention impressions. At baseline, 62 participants of mean (SD) age 59 (±7) years took 7459 (±2424) steps/day and most (92%) reported ≥2 medical conditions. At 3 months, acceptability and impact data were available for 52 (84%) and 57 (92%) participants, respectively. Study participation was recommended by 83% of participants. Participants mostly agreed to receive health coaching (81%) and messages (87%: email = 56%, SMS = 44%), opened 82% of emails and accessed the website 4.8 times on average. Respondents reported the intervention supported their physical activity. Intervention participants were more likely to increase steps from baseline by 2000+/day (OR: 6.31, 95% CI: 1.22 to 32.70, p = .028) than controls, and trended toward more light-intensity (p = .075) and moderate-vigorous intensity physical activity (p = .11). The [Active Women over 50 Online] program demonstrated acceptability and feasibility among the target population, and effectiveness in some domains in the short term. Results warrant further testing in a full-scale RCT.


Regular physical activity benefits health at all ages. Women in middle-age years often juggle carer and work responsibilities. We investigated the acceptability, feasibility, and effect of a scalable physical activity program targeting this group. Participants were randomly assigned to immediate access to the [Active Women over 50 Online] program or after a 3-month wait. [Active Women over 50 Online] program included: (1) study-specific website with information, case studies and links to physical activity opportunities, (2) email or SMS motivation-based messages, (3) telephone health-coaching session. We recruited 62 participants, who were on average aged 59 years, active, and had at least two medical conditions. At the 3-month follow-up, 83% of participants would recommend study participation. Participants who received the program immediately agreed to receive health coaching (81%) and messages (87%). They accessed an average of five web sessions each in a 3-month period and reported the program supported their physical activity. These participants were also more likely to take an average of 2000+ daily steps more than at baseline, and increased their physical activity at light, moderate, and vigorous intensities more than those who had not received the program. The high uptake, engagement, positive recommendation, and promising impact on physical activity warrants further program testing in a larger trial.


Subject(s)
Exercise , Sedentary Behavior , Electronic Mail , Feasibility Studies , Female , Humans , Middle Aged , Pilot Projects
3.
Am J Health Promot ; 36(2): 305-309, 2022 02.
Article in English | MEDLINE | ID: mdl-34854695

ABSTRACT

PURPOSE: This study aims to test the effect of an information and support intervention on physical activity (PA) in women aged 50+ years. DESIGN: Randomized wait-list controlled trial. SETTING: Sydney, Australia. SAMPLE: 126 female university and health service employees, aged 50+. INTERVENTION: Information session, activity tracker, regular motivational emails. MEASURES: Proportion achieving ≥ 10,000 steps/day (primary outcome), daily step count, proportion meeting 150 mins/week of moderate to vigorous PA (MVPA), self-reported PA. ANALYSIS: Odds-ratios and general linear regression models. RESULTS: At 3 months, the intervention group reported significantly more vigorous PA (1.04 hours, 95% CI 0.24 to 1.85, P = .01, measured by IPAQ), were more likely to achieve 300 mins/week of MVPA (OR = 1.98, 95% CI 0.89 to 4.36, P = .09, measured by Actigraph) than the control wait-list group, and reported adopting PA promotion strategies (technology = 31/58% or goal-setting = 39/74%). No significant between-group differences in the primary outcome were detected (1.39, 95% CI 0.61 to 3.18, P = .44). CONCLUSIONS: This low-dose intervention significantly increased self-reported vigorous PA time and non-significantly increased the proportion of people achieving 300 mins/week of MVPA but did not significantly increase the proportion of participants achieving 10,000 steps/day. Relatively small effects may be important at a population level given the minimal resources needed to deliver this intervention.


Subject(s)
Exercise , Health Promotion , Australia , Electronic Mail , Exercise/psychology , Female , Fitness Trackers , Health Education , Health Promotion/methods , Humans , Middle Aged , Motivation , Program Evaluation , Self Report , Universities
5.
JAMA Pediatr ; 175(8): 846-858, 2021 08 01.
Article in English | MEDLINE | ID: mdl-33999106

ABSTRACT

Importance: Cerebral palsy (CP) is the most common childhood physical disability. Early intervention for children younger than 2 years with or at risk of CP is critical. Now that an evidence-based guideline for early accurate diagnosis of CP exists, there is a need to summarize effective, CP-specific early intervention and conduct new trials that harness plasticity to improve function and increase participation. Our recommendations apply primarily to children at high risk of CP or with a diagnosis of CP, aged 0 to 2 years. Objective: To systematically review the best available evidence about CP-specific early interventions across 9 domains promoting motor function, cognitive skills, communication, eating and drinking, vision, sleep, managing muscle tone, musculoskeletal health, and parental support. Evidence Review: The literature was systematically searched for the best available evidence for intervention for children aged 0 to 2 years at high risk of or with CP. Databases included CINAHL, Cochrane, Embase, MEDLINE, PsycInfo, and Scopus. Systematic reviews and randomized clinical trials (RCTs) were appraised by A Measurement Tool to Assess Systematic Reviews (AMSTAR) or Cochrane Risk of Bias tools. Recommendations were formed using the Grading of Recommendations Assessment, Development, and Evaluation (GRADE) framework and reported according to the Appraisal of Guidelines, Research, and Evaluation (AGREE) II instrument. Findings: Sixteen systematic reviews and 27 RCTs met inclusion criteria. Quality varied. Three best-practice principles were supported for the 9 domains: (1) immediate referral for intervention after a diagnosis of high risk of CP, (2) building parental capacity for attachment, and (3) parental goal-setting at the commencement of intervention. Twenty-eight recommendations (24 for and 4 against) specific to the 9 domains are supported with key evidence: motor function (4 recommendations), cognitive skills (2), communication (7), eating and drinking (2), vision (4), sleep (7), tone (1), musculoskeletal health (2), and parent support (5). Conclusions and Relevance: When a child meets the criteria of high risk of CP, intervention should start as soon as possible. Parents want an early diagnosis and treatment and support implementation as soon as possible. Early intervention builds on a critical developmental time for plasticity of developing systems. Referrals for intervention across the 9 domains should be specific as per recommendations in this guideline.


Subject(s)
Cerebral Palsy/therapy , Early Intervention, Educational/methods , Cerebral Palsy/diagnosis , Child, Preschool , Early Diagnosis , Humans , Infant , Infant, Newborn , Parents/education , Practice Guidelines as Topic
6.
BMJ Open Sport Exerc Med ; 6(1): e000878, 2020.
Article in English | MEDLINE | ID: mdl-33033622

ABSTRACT

INTRODUCTION: Falls significantly reduce independence and quality of life in older age. Balance-specific exercise prevents falls in people aged 60+ years. Yoga is growing in popularity and can provide a high challenge to balance; however, the effect of yoga on falls has not been evaluated. This trial aims to establish the effect on falls of a yoga exercise programme compared with a yoga relaxation programme in community-dwellers aged 60+ years. METHOD AND ANALYSIS: This randomised controlled trial will involve 560 community-dwelling people aged 60+ years. Participants will be randomised to either: (1) the Successful AGEing (SAGE) yoga exercise programme or (2) a yoga relaxation programme. Primary outcome is rate of falls in the 12 months post randomisation. Secondary outcomes include mental well-being, physical activity, health-related quality of life, balance self-confidence, physical function, pain, goal attainment and sleep quality at 12 months after randomisation. The number of falls per person-year will be analysed using negative binomial regression models to estimate between-group difference in fall rates. Generalised linear models will assess the effect of group allocation on the continuously scored secondary outcomes, adjusting for baseline scores. An economic analysis will compare the cost-effectiveness and cost-utility of the two yoga programmes. ETHICS AND DISSEMINATION: Protocol was approved by the Human Research Ethics Committee at The University of Sydney, Australia (approval 2019/604). Trial results will be disseminated via peer-reviewed articles, conference presentations, lay summaries. TRIAL REGISTRATION NUMBER: The protocol for this trial is registered with the Australian New Zealand Clinical Trials Registry (ACTRN12619001183178).

7.
J Physiother ; 66(4): 225-235, 2020 10.
Article in English | MEDLINE | ID: mdl-33069609

ABSTRACT

QUESTION: In adults with stroke, does Bobath therapy improve lower limb activity performance, strength or co-ordination when compared with no intervention or another intervention? DESIGN: Systematic review of randomised trials with meta-analyses. PARTICIPANTS: Adults after stroke. INTERVENTION: Bobath therapy compared with another intervention or no intervention. OUTCOME MEASURES: Lower limb activity performance (eg, sit to stand, walking, balance), lower limb strength and lower limb co-ordination. Trial quality was assessed using the PEDro scale. RESULTS: Twenty-two trials were included in the review and 17 in the meta-analyses. The methodological quality of the trials varied, with PEDro scale scores ranging from 2 to 8 out of 10. No trials compared Bobath therapy to no intervention. Meta-analyses estimated the effect of Bobath therapy on lower limb activities compared with other interventions, including: task-specific training (nine trials), combined interventions (four trials), proprioceptive neuromuscular facilitation (one trial) and strength training (two trials). The pooled data indicated that task-specific training has a moderately greater benefit on lower limb activities than Bobath therapy (SMD 0.48), although the true magnitude of the benefit may be substantially larger or smaller than this estimate (95% CI 0.01 to 0.95). Bobath therapy did not clearly improve lower limb activities more than a combined intervention (SMD -0.06, 95% CI -0.73 to 0.61) or strength training (SMD 0.35, 95% CI -0.37 to 1.08). In one study, Bobath therapy was more effective than proprioceptive neuromuscular facilitation for improving standing balance (SMD -1.40, 95% CI -1.92 to -0.88), but these interventions did not differ on any other outcomes. Bobath therapy did not improve strength or co-ordination more than other interventions. CONCLUSIONS: Bobath therapy was inferior to task-specific training and not superior to other interventions, with the exception of proprioceptive neuromuscular facilitation. Prioritising Bobath therapy over other interventions is not supported by current evidence. REGISTRATION: PROSPERO CRD42019112451.


Subject(s)
Stroke Rehabilitation , Stroke , Adult , Exercise Therapy , Humans , Lower Extremity , Stroke/therapy , Walking
8.
Article in English | MEDLINE | ID: mdl-32607250

ABSTRACT

BACKGROUND: Physical activity has many physical and mental health benefits and can delay the development of disability in older age. However, uptake of this health behaviour is sub-optimal in women in their middle and older age. This trial aims to establish the acceptability and feasibility of the Active Women over 50 programme involving online information, telephone health coaching and email or SMS support to promote physical activity behaviour change among women aged 50 years and over. METHODS: Sixty community-dwelling women who are insufficiently active according to national guidelines, will be recruited and randomised to 1) receive the Active Women over 50 programme or 2) a wait-list control. Active Women over 50 is a 3-month physical activity programme guided by behaviour change science, providing access to a website, one telephone-delivered health coaching session from a physiotherapist and 8 email or 24 SMS messages. The primary outcome is the proportion of participants at 3 months post-randomisation who would recommend participation in the programme to another person like themselves. Secondary outcomes are feasibility measures: rates of recruitment, retention, completeness of outcome data and uptake of telephone support; and intervention impact measures: accelerometer-assessed average steps/day, proportion of participants meeting national guidelines on moderate to vigorous physical activity; and questionnaire-assessed quality of life, exercise perceptions, mood, physical functioning and self-reported physical activity. Intervention participants will also complete a follow-up survey to assess impressions of the intervention and adoption of strategies for physical activity participation. Data will be analysed descriptively to guide the design of a larger trial. Between-group differences in secondary outcomes will be used to estimate effect sizes for sample size calculations for a fully powered randomised controlled trial. DISCUSSION: This feasibility pilot trial of an efficient eHealth and health coaching intervention guided by user input and behaviour change theory, will inform future interventions to address low physical activity participation among an under-active group at risk of future disability. TRIAL REGISTRATION: ANZCTR, ACTRN12619000490178, registered 26 March 2019.

9.
BMC Public Health ; 19(1): 1225, 2019 Sep 04.
Article in English | MEDLINE | ID: mdl-31484565

ABSTRACT

BACKGROUND: There is compelling evidence that physical activity has many physical and mental health benefits and can delay the development of disability in older age. However, uptake of this health behaviour is sub-optimal in working women in their middle age. This trial aims to establish the impact of a low-dose information program, incorporating follow-up support using behaviour change techniques, compared with a wait-list control group, on physical activity among women aged 50+ years. METHODS: 100 female university or health service employees aged 50 years and over who are not sufficiently active according to national guidelines will be recruited and randomised to: [1] attend one information session at the worksite with follow-up email support and provision of resources including use of an activity tracker (Fitbit) for 3 months and free trial class at the university sports facility, or [2] a wait-list control to receive the intervention after the 3-month follow-up period. The primary outcome will be the proportion of people achieving 10,000 steps/day at 3 months post randomisation. Secondary outcomes will include the proportion of people achieving national guideline-recommended physical activity levels, the average self-reported hours of physical activity per week, perceived benefits of and barriers to exercise participation, physical functioning, and mood. Analyses will be planned, conducted while masked to group allocation and will use an intention-to-treat approach. DISCUSSION: This randomised controlled trial will evaluate the impact of a simple intervention using behaviour change techniques to increase physical activity participation in insufficiently active working women over the age of 50. TRIAL REGISTRATION: ACTRN12617000485336 , prospectively registered, approved 04/04/2017.


Subject(s)
Exercise/psychology , Health Promotion/methods , Occupational Health , Australia , Female , Follow-Up Studies , Humans , Information Dissemination , Middle Aged , Program Evaluation , Research Design , Social Support , Universities
10.
Infant Behav Dev ; 57: 101338, 2019 11.
Article in English | MEDLINE | ID: mdl-31319346

ABSTRACT

This study utilized behavior-mapping to describe behavior and levels of activity in infants attending Early Childhood Education and Care (ECEC). Descriptive statistics were used to determine proportion of time spent in certain locations, body positions, activities and engagement with others. To establish whether location, the presence of equipment or engagement with others influenced levels of activity, a paired t-test was used. Results indicated that of all locations, infants spent the greatest amount of time in the meals area (35%), with half of this period spent physically inactive (sedentary). The indoor play area was where infants were most active. Infants also spent a significantly greater proportion of their upright time (64%) supported by either furniture or equipment than without (MD 28, 95% CI 13-44, p < 0.01). Interestingly, infants displayed more sedentary behavior when engaged with others than when not engaged (MD 21, 95% CI 6-36, p < 0.01). The environment, presence of others and equipment availability appear to influence activity levels of infants in ECEC centers. Findings suggest that time spent in meal areas, provisions of furniture/equipment, and opportunities for infants to play independently warrant further exploration to determine their influence on activity levels in typically-developing infants.


Subject(s)
Child Day Care Centers/trends , Child Development/physiology , Environment Design/trends , Exercise/physiology , Sedentary Behavior , Exercise/psychology , Female , Humans , Infant , Male
11.
JAMA Pediatr ; 171(9): 897-907, 2017 09 01.
Article in English | MEDLINE | ID: mdl-28715518

ABSTRACT

Importance: Cerebral palsy describes the most common physical disability in childhood and occurs in 1 in 500 live births. Historically, the diagnosis has been made between age 12 and 24 months but now can be made before 6 months' corrected age. Objectives: To systematically review best available evidence for early, accurate diagnosis of cerebral palsy and to summarize best available evidence about cerebral palsy-specific early intervention that should follow early diagnosis to optimize neuroplasticity and function. Evidence Review: This study systematically searched the literature about early diagnosis of cerebral palsy in MEDLINE (1956-2016), EMBASE (1980-2016), CINAHL (1983-2016), and the Cochrane Library (1988-2016) and by hand searching. Search terms included cerebral palsy, diagnosis, detection, prediction, identification, predictive validity, accuracy, sensitivity, and specificity. The study included systematic reviews with or without meta-analyses, criteria of diagnostic accuracy, and evidence-based clinical guidelines. Findings are reported according to the PRISMA statement, and recommendations are reported according to the Appraisal of Guidelines, Research and Evaluation (AGREE) II instrument. Findings: Six systematic reviews and 2 evidence-based clinical guidelines met inclusion criteria. All included articles had high methodological Quality Assessment of Diagnostic Accuracy Studies (QUADAS) ratings. In infants, clinical signs and symptoms of cerebral palsy emerge and evolve before age 2 years; therefore, a combination of standardized tools should be used to predict risk in conjunction with clinical history. Before 5 months' corrected age, the most predictive tools for detecting risk are term-age magnetic resonance imaging (86%-89% sensitivity), the Prechtl Qualitative Assessment of General Movements (98% sensitivity), and the Hammersmith Infant Neurological Examination (90% sensitivity). After 5 months' corrected age, the most predictive tools for detecting risk are magnetic resonance imaging (86%-89% sensitivity) (where safe and feasible), the Hammersmith Infant Neurological Examination (90% sensitivity), and the Developmental Assessment of Young Children (83% C index). Topography and severity of cerebral palsy are more difficult to ascertain in infancy, and magnetic resonance imaging and the Hammersmith Infant Neurological Examination may be helpful in assisting clinical decisions. In high-income countries, 2 in 3 individuals with cerebral palsy will walk, 3 in 4 will talk, and 1 in 2 will have normal intelligence. Conclusions and Relevance: Early diagnosis begins with a medical history and involves using neuroimaging, standardized neurological, and standardized motor assessments that indicate congruent abnormal findings indicative of cerebral palsy. Clinicians should understand the importance of prompt referral to diagnostic-specific early intervention to optimize infant motor and cognitive plasticity, prevent secondary complications, and enhance caregiver well-being.


Subject(s)
Cerebral Palsy/diagnosis , Early Intervention, Educational/methods , Cerebral Palsy/therapy , Child , Early Diagnosis , Humans , Infant , Infant, Newborn
13.
Dev Neurorehabil ; 15(2): 114-8, 2012.
Article in English | MEDLINE | ID: mdl-22494083

ABSTRACT

OBJECTIVE: The study investigated associations between the active and passive mechanical properties of the calf muscle in children with cerebral palsy and the spatiotemporal features of their gait on both level ground and over stairs. METHODS: 26 children with hemiplegic cerebral palsy (age 4 - 10 years) walked barefoot across a level ten metre pathway and a staircase. Walking speed, stride length and cadence were calculated and spasticity, maximum isometric strength, stiffness and hysteresis of the affected side calf muscle measured. Multiple linear regression was used to determine the associations among variables. RESULTS: Walking speed and stride length were significantly associated with dorsiflexor muscle strength and the stiffness of the calf muscle, while stair ascent and descent speeds were significantly and inversely related to the amount of hysteresis displayed by the calf muscle. CONCLUSION: Passive mechanical properties of the calf muscle are influential in gait performance in these children.


Subject(s)
Cerebral Palsy/physiopathology , Gait/physiology , Muscle Spasticity/physiopathology , Muscle Weakness/physiopathology , Muscle, Skeletal/physiopathology , Biomechanical Phenomena/physiology , Child , Child, Preschool , Female , Humans , Male , Muscle Strength/physiology , Walking/physiology
14.
Neurol Res Int ; 2011: 515938, 2011.
Article in English | MEDLINE | ID: mdl-21766024

ABSTRACT

It is becoming increasingly clear that, if reorganization of brain function is to be optimal after stroke, there needs to be a reorganisation of the methods used in physical rehabilitation and the time spent in specific task practice, strength and endurance training, and aerobic exercise. Frequency and intensity of rehabilitation need to be increased so that patients can gain the energy levels and vigour necessary for participation in physical activity both during rehabilitation and after discharge. It is evident that many patients are discharged from inpatient rehabilitation severely deconditioned, meaning that their energy levels are too low for active participation in daily life. Physicians, therapists, and nursing staff responsible for rehabilitation practice should address this issue not only during inpatient rehabilitation but also after discharge by promoting and supporting community-based exercise opportunities. During inpatient rehabilitation, group sessions should be frequent and need to include specific aerobic training. Physiotherapy must take advantage of the training aids available, including exercise equipment such as treadmills, and of new developments in computerised feedback systems, robotics, and electromechanical trainers. For illustrative purposes, this paper focuses on the role of physiotherapists, but the necessary changes in practice and in attitude will require cooperation from many others.

15.
Dev Med Child Neurol ; 53(6): 553-8, 2011 Jun.
Article in English | MEDLINE | ID: mdl-21574991

ABSTRACT

AIM: Stiffness and shortening of the calf muscle due to neural or mechanical factors can profoundly affect motor function. The aim of this study was to investigate non-neurally mediated calf-muscle tightness in children with cerebral palsy (CP) before and after botulinum toxin type A (BoNT-A) injection. METHOD: Sixteen children with spastic CP (seven females, nine males; eight at Gross Motor Function Classification System level I, eight at level II; age range 4-10 y) and calf muscle spasticity were tested before and during the pharmaceutically active phase after injection of BoNT-A. Measures of passive muscle compliance and viscoelastic responses, hysteresis, and the gradient of the torque-angle curve were computed and compared before and after injection. RESULTS: Although there was a slight, but significant increase in ankle range of motion after BoNT-A injection and a small, significant decrease in the torque required to achieve plantigrade and 5° of dorsiflexion, no significant difference in myotendinous stiffness or hysteresis were detected after BoNT-A injection. INTERPRETATION: Despite any effect on neurally mediated responses, the compliance of the calf muscle was not changed and the muscle continued to offer significant resistance to passive motion of the ankle. These findings suggest that additional treatment approaches are required to supplement the effects of BoNT-A injections when managing children with calf muscle spasticity.


Subject(s)
Botulinum Toxins, Type A/therapeutic use , Cerebral Palsy/drug therapy , Cerebral Palsy/physiopathology , Muscle, Skeletal/drug effects , Muscle, Skeletal/physiopathology , Neuromuscular Agents/therapeutic use , Botulinum Toxins, Type A/pharmacology , Child , Child, Preschool , Electromyography/methods , Female , Humans , Injections, Intramuscular/methods , Joints/drug effects , Male , Muscle Spasticity/drug therapy , Muscle Spasticity/etiology , Neuromuscular Agents/pharmacology , Prospective Studies , Range of Motion, Articular/drug effects , Statistics, Nonparametric , Torque
16.
J Child Neurol ; 25(10): 1242-7, 2010 Oct.
Article in English | MEDLINE | ID: mdl-20223745

ABSTRACT

The content validity of the Tardieu Scale and the Ashworth Scale was assessed in 27 independently ambulant children with cerebral palsy (gender: 17 males, 10 females; age: 5-9 years; Gross Motor Function Classification: level I and II). Ashworth and Tardieu Scale scores and laboratory measures of spasticity and contracture were collected from the plantarflexor muscles by 2 examiners who were blinded to the results. The Tardieu Scale was more effective than the Ashworth Scale in identifying the presence of spasticity (88.9%, kappa = 0.73; P = .000), the presence of contracture (77.8%, kappa = 0.503; P = .008) and the severity of contracture (r = 0.49; P = .009). However, neither scale was able to identify the severity of spasticity. The Tardieu Scale can provide useful information in children with cerebral palsy because it differentiates spasticity from contracture. However, a more comprehensive clinical method of testing neural and non-neural contributions to impairments and function is needed.


Subject(s)
Cerebral Palsy/diagnosis , Cerebral Palsy/physiopathology , Disability Evaluation , Leg/physiopathology , Muscle Spasticity/diagnosis , Muscle Spasticity/physiopathology , Muscle, Skeletal/physiopathology , Child , Child, Preschool , Cross-Sectional Studies , Female , Humans , Male , Predictive Value of Tests , Reproducibility of Results
17.
Dev Med Child Neurol ; 52(6): e101-6, 2010 Jun.
Article in English | MEDLINE | ID: mdl-20132139

ABSTRACT

AIM: To examine the passive length-tension relations in the myotendinous components of the plantarflexor muscles of children with and without cerebral palsy (CP) under conditions excluding reflex muscle contraction. METHOD: A cross-sectional, non-interventional study was conducted in a hospital outpatient clinic. Passive torque-angle characteristics of the ankle were quantified from full plantarflexion to full available dorsiflexion in 26 independently ambulant children with CP (11 females, 15 males; mean age: 6 y 11 mo, range 4 y 7 mo-9 y 7 mo) and 26 age-matched typically developing children (18 females, 8 males; mean age 7 y 2 mo, range 4 y 1 mo-10 y 4 mo). In the children with CP, the affected (hemiplegia; n=21) or more affected (diplegia; n=5) leg was tested; in typically developing children, the leg tested was randomly selected. Gross Motor Function Classification System levels were I (n=15) and II (n=11). Care was taken to eliminate active or reflex muscle contribution to the movement, confirmed by the absence of electromyographic activity. RESULTS: There were small but significant differences between the two groups for maximum ankle dorsiflexion (p=0.003), but large and significant differences in the torques required to produce the same displacement (p<0.001). Further, the hysteresis of the average loading cycle in the children with CP was over three times that of the typically developing children (p<0.001). INTERPRETATION: We believe that the plantarflexor muscles of children with CP are stiffer and intrinsically more resistant to stretch, even though they retain near normal excursion. This increased stiffness is a non-neurally-mediated feature demonstrated by these children. The extent to which it influences function and predisposes the children to development of soft tissue contracture is unknown.


Subject(s)
Ankle/physiopathology , Cerebral Palsy/physiopathology , Muscle, Skeletal/physiopathology , Biomechanical Phenomena , Child , Child, Preschool , Cross-Sectional Studies , Disability Evaluation , Elasticity , Electromyography , Female , Humans , Male , Prospective Studies
20.
Clin Rehabil ; 17(4): 355-62, 2003 Jul.
Article in English | MEDLINE | ID: mdl-12785242

ABSTRACT

OBJECTIVE: To examine the effectiveness of intensive practice of sit-to-stand on motor performance, exercise capacity and exercise efficiency in traumatic brain-injured patients during early inpatient rehabilitation. DESIGN: Single-blind randomized controlled pilot study. SETTING: Brain injury rehabilitation unit. SUBJECTS: Twenty-four subjects who had recently sustained a severe traumatic brain injury (TBI) were randomized into an experimental (n = 13) and a control (n = 11) group. INTERVENTIONS: In addition to their usual rehabilitation programme, subjects in the experimental group participated in four weeks of intensive training of sit-to-stand and step-up exercises with the aim of improving performance of sit-to-stand. The control group did no additional sit-to-stand or step-up training. MAIN OUTCOME MEASURES: Total number of sit-to-stands in 3 min as a measure of motor performance; peak oxygen consumption during a maximal 3-min sit-to-stand test (Vo2peak) as a measure of exercise capacity; oxygen consumption during a 3-min equivalent workload sit-to-stand test (Vo2equiv) as a measure of exercise efficiency. Pre- and post-training measurements were made. RESULTS: The exercise programme resulted in a 62% improvement in motor performance (number of repetitions of sit-to-stand in 3 min) for the experimental group compared with the control group's 18% improvement (p < 0.05). There was no significant difference between groups for changes in exercise capacity or efficiency. In the experimental group, the increase in Vo2peak from pre-test to post-test correlated with the increase in sit-to-stand repetitions (p < 0.05). CONCLUSIONS: Intensive task-specific training is recommended as an important component of rehabilitation early following severe traumatic brain injury.


Subject(s)
Brain Injuries/rehabilitation , Exercise Therapy , Posture , Adolescent , Adult , Female , Humans , Male , Middle Aged , Movement , Severity of Illness Index , Single-Blind Method , Treatment Outcome
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