The timed up & go test: its reliability and association with lower-limb impairments and locomotor capacities in people with chronic stroke

The application of computerized quadrato motor training in enhancing balance and executive performance in stroke patients

This study investigated the effects of Computerized Quadrato Motor Training (CQMT) on balance and executive function in both single- and dual-task conditions for stroke patients. Patients (n = 60) were randomized to three groups: conventional training (CT), exercise training (ET), and interactive motor-cognitive training (IT). All participants underwent CT. Besides, the ET group undertook step training, and the IT group underwent CQMT for four weeks. The assessments comprised balance function, executive function, lower limb strength, as well as self-efficacy of balance control. Balance function was assessed via the Pro-Kin system and standardized scales (Berg Balance Scale [BBS], Tinetti Assessment [POMA]). Executive function was assessed by the Trail Making Test (TMT-A / B) and Stroop test. Dual-task cost (DTC) derived from Timed Up-and-Go Test with/without cognitive loading (TUGT / TUGTcog). Balance self-efficacy was assessed by the Activities-specific Balance Confidence (ABC) Scale, with lower limb strength assessed by Five-Times Sit-to-Stand (FTSTS). After the intervention, the ET significantly showed improvement in the elliptical trajectory area, BBS, and gait performance compared to CT(P < 0.05). The IT group demonstrated significantly greater improvements in balance parameters (swing speed, elliptical trajectory area, trajectory lengths; P < 0.05) and functional outcomes (BBS, POMA, FTSTS, Dual-Task performance, TMT, Stroop, ABC; P < 0.01) compared to both CT and ET. The IT group showed significant positive correlations between TMT improvements and enhanced Dual-ask performance. Our findings demonstrate that CQMT, as an integrative motor-cognitive intervention, significantly improves balance and executive function in stroke patients, thereby filling a critical gap in the clinical application of QMT in stroke rehabilitation research. These findings validate the 'guided plasticity facilitation' theory, highlighting CQMT as a cost-effective and broadly applicable clinical training.Trial registration: The clinical trial was registered on 08/10/2023, with the registration number ChiCTR2300076424.

Reliability and validity of the single- and dual-task Figure-of-8 Walk tests in stroke patients

OBJECTIVES

To assess the validity and reliability of the single- and dual-task Figure-of-8 Walk (F8W) tests in stroke patients.

METHODS

Thirty-two patients aged 61.09   ±   9.27 years (mean) were enrolled. The general cognitive function and stroke severity were assessed using the Standardized Mini Mental Test and National Institutes of Health Stroke Scale, respectively. The single- and dual-task F8W tests were performed in the study. The F8W test with a cognitive task of counting backward by threes (F8W  +  cog), and the F8W test with a motor task of carrying a glass of water on a tray (F8W  +  mot) consisted dual-task F8W. Relative and absolute reliability was assessed using the test-retest method and Bland-Altman plots. Intraclass correlation coefficients (ICC) and standard error of measurement (SEM) values were calculated. To assess convergent validity, the Timed Up and Go Test (TUGT), the 10-Meter Walk Test (10mWT), the Modified Four-Square Step Test (mFSST), and the Six-Spot Step Test (SSST) were administered.

RESULTS

The test-retest reliability of the F8W, F8W  +  cog, and F8W  +  mot tests demonstrated excellent results, with ICC values of 0.938, 0.929, and 0.935, respectively, and SEM values of 4.57, 5.52, and 5.01. Bland-Altman plots demonstrated that the F8W, F8W  +  cog, and F8W  +  mot were quite compatible with all tests (p > 0.99). All F8W tests were moderate to very strong correlation with the TUGT, 10mWT, mFSST, and SSST (p < 0.01).

CONCLUSION

The single- and dual-task F8W tests are useful reliable and valid tests in stroke patients.

Exploring the physical, psychological, and social benefits of adaptive outdoor cycling in persons with stroke using a mixed methods approach

BACKGROUND

Stroke is a leading cause of disability world-wide. Community-based adaptive recreation programs may offer a way to enhance quality of life in persons with stroke.

OBJECTIVE

Explore the association between community-based adaptive outdoor cycling program participation and physical, psychological, and social outcomes in persons with stroke using both quantitative and qualitative data collection.

METHODS

Mixed methods design, using prospective longitudinal quantitative data collection during a 16-week adaptive outdoor cycling program (Part 1) and a semi-structured interview/focus group (Part 2). Part 1 included baseline, 8- and 16-weeks assessments of physical, psychological, and social outcomes. Repeated measures analyses of variance (ANOVA) were used to examine within-group changes and effect sizes were calculated. Part 2's transcriptions were coded for physical, psychological, and social outcomes.

RESULTS

30 individuals post-stroke (ages 25-72) were enrolled in Part 1 of the study. ANOVA results showed statistically significant changes in all three areas: physical (resting heart rate, 10-m walk test), psychological (well-being), and social (satisfaction with social roles) outcomes, all with large effect sizes. All other outcomes showed changes in the expected direction but did not reach statistical significance. Findings from qualitative analyses explained and expanded upon quantitative findings.

CONCLUSIONS

The results highlight the importance of exploring the influence of adaptive recreation on not only physical but psychological and social outcomes. Due to the exploratory design of this pilot, future research is warranted.

Relationship Between Infrared Thermography and Functional Parameters in the Lower Limbs of Hemiplegic Patients

INTRODUCTION

Reliable objective and non-invasive assessments of myotendinous alterations in patients with muscle tone disorders secondary to brain damage represent an important challenge in health science. The aim of this study was to observe the relationship between the skin temperature and the functional response in the triceps suralis of hemiplegic patients in relation to the healthy control group.

METHODS

A descriptive observational study was conducted based on the STARD recommendations. A total of 26 volunteers, 13 participants with unilateral motor impairment and 13 healthy patients, participated and completed the study. Intragroup and intergroup clinical thermography tests were performed, and the results were compared in relation to the timed up and go test, pain threshold to pressure, and modified Ashworth scale.

RESULTS

Statistically relevant differences (p < 0.01) could be observed between the two groups in each test performed. Thermographic analysis revealed a difference in temperature between the healthy and affected sides in the inter- and intra-group comparisons. It was possible to observe statistically significant differences (p < 0.01) between limbs in the brain damage group (the side affected was at a lower temperature), while no such differences were observed between limbs in the healthy control group (p > 0.05).

CONCLUSIONS

Our results confirmed that clinical thermography could be a potentially useful tool in the assessment of both structural and functional alterations of the musculoskeletal system in patients with chronic brain damage.

Pilot study: Comparison of Timed Up and Go test with and without walking aid in stroke patients

This pilot study compared Timed Up and Go (TUG) test results with and without walking aids and their correlation with balance. Twenty-five stroke patients (mean age 59.72 ± 13.0 years; 17 male, 8 female) were included in this cross-sectional study. Patients at least 2 months post-stroke, Mini-Mental State Test > 24, and able to walk 10 meters with or without walking aids were included. Functional mobility was assessed with Timed Up and Go. Participants completed TUG twice: with and without walking aids. Balance was measured using the Berg Balance Scale. The mean Timed Up and Go value without aids was 50.44 ± 18.22 sec, and with aids was 42.32 ± 14.97 sec. Paired-sample T-test revealed a significant difference between Timed Up and Go values with and without aids (p = 0.01). TUG scores with and without aids and Berg Balance Scale scores showed high negative correlations (r = -0.534, r = -0.789). The use of walking aids improves Timed Up and Go scores in stroke patients. Based on these results, whether the patient uses a walking aid should be considered for accurate assessment, interpretation, and treatment of mobility and balance.

PEMOCS: effects of a concept-guided, PErsonalized, MOtor-Cognitive exergame training on cognitive functions and gait in chronic Stroke-a randomized, controlled trial

Purpose

Motor-cognitive exergames may be beneficial for addressing both motor and cognitive residual impairments in chronic stroke, however, effective training schedules are yet to be determined. Therefore, this study investigates the effects of a concept-guided, personalized, motor-cognitive exergame training on cognitive functions and gait in chronic stroke survivors.

Methods

In this single-blind, randomized, controlled trial, stroke survivors (at least six-months post-stroke and able to perform step-based exergaming) were allocated either to the intervention (usual care + concept-guided, personalized, motor-cognitive exergame training) or the control group (usual care only). Global cognitive functioning was primarily targeted, while health-related quality of life (HRQoL), cognitive functions, mobility, and gait were evaluated secondarily. Analyses were performed with linear-mixed effect models.

Results

Effects on global cognitive functioning were non-significant, with no differences between responders (participants exhibiting a clinically relevant change) and non-responders (participants exhibiting no clinically relevant change). Among secondary outcomes, the mobility domain of the HRQoL questionnaire, intrinsic visual alertness, cognitive flexibility, working memory, and outdoor walking speed as well as swing width (unaffected side) showed significant interaction effects in favour of the exergame group.

Discussion

Additional exergaming helped maintaining global cognitive functioning and showed encouraging effects in mobility and cognitive outcomes. Responders and non-responders did not differ in adherence, baseline values or age. Enhancing the frequency and intensity of sessions could unlock more substantial benefits. Adopting a blended therapy approach may be key to maximizing positive effects.

Clinical trial registration

clinicaltrials.gov, identifier NCT05524727.

Effectiveness of an Exercise Therapy Program Based on Sports in Adults With Acquired Brain Injury: A Randomized Controlled Trial

OBJECTIVE

To examine the effects of a sport-based exercise therapy (ET) program combined with usual care (sET+UC) compared with usual care (UC) alone on health-related quality of life, upper limb motor control, functional capacity, mobility, balance, and physical activity participation in ambulant adults with acquired brain injury (ABI).

DESIGN

Single-blind, parallel-group, randomized controlled trial.

SETTING

Rehabilitation center.

PARTICIPANTS

Twenty-three adults with ABI (82.6% stroke; 17 men; mean age of 59.6±10.3y).

INTERVENTION

Participants received either sET+UC (n=11) or UC (n=12). The sET+UC group received sixteen 60-minute sessions of a sport-based ET program in addition to sixteen 60-minute sessions of UC, whereas the UC group attended UC only.

MAIN OUTCOME MEASURES

Primary outcome measures were health-related quality of life (Short Form-36 [SF-36]) and upper limb motor control (Fugl-Meyer Upper Extremity [FM-UE]), whereas the secondary included functional capacity (6-minute walk test and 10-meter walk test), mobility (timed Up and Go Test), balance (Berg Balance Scale), and physical activity participation (Global Physical Activity Questionnaire).

RESULTS

Significant differences were found in all outcome analyses at postintervention when comparing between groups. The sET+UC group showed significant improvements in both the physical (P=.027, r=.46) and mental component summary (P=.001, r=.71) of the SF-36 as well as FM-UE (P=.004, r=.60), with large effect sizes. In turn, all secondary outcomes were also significantly improved in this group (all P<.05 r>.05). In contrast, the UC group showed slight improvements in postintervention scores but did not reach significance in any of these measures.

CONCLUSIONS

This study shows that a sport-based ET program combined with UC can effectively improve all the aforementioned outcomes measures in ABI population. Further research with larger sample sizes and follow-up assessments is crucial to gain a more comprehensive understanding of the long-term effects of the intervention in this specific population.

Assessment of the psychometric properties of the Frailty and Injuries: Cooperative Studies of Intervention Techniques - 4 in people with stroke

BACKGROUND

The Frailty and Injuries: Cooperative Studies of Intervention Techniques - 4 (FICSIT-4) is a measure that assesses standing balance ability. However, the psychometric properties of the FICSIT-4 have not been examined in people with stroke.

OBJECTIVES

To investigate the psychometric properties of the FICSIT-4, including its internal consistency, test - retest reliability, concurrent validity, and known-group validity, and identify the cutoff score on the FICSIT-4 that discriminates people with stroke from healthy older people.

METHODS

Sixty-two participants with stroke and 49 age-matched healthy controls were recruited. The FICSIT-4 was administered twice, on days 1 and 2, with a 1-week interval, to the participants with stroke to examine test - retest reliability. Various health-related measures were also administered to the stroke participants on day 1. The FICISIT-4 was only administered once, on day 1, to the healthy participants.

RESULTS

The FICIST-4 was found to exhibit fair internal consistency, good test - retest reliability and significant correlations with various health-related outcome measures. It also demonstrated known-group validity, and a score of 25 was found to distinguish people with stroke from healthy older people.

CONCLUSION

The FICISIT-4 is a reliable and valid measure for assessing the standing balance ability of people with stroke.

Effects of foot intrinsic muscle dynamic stretching on balance, gait parameters, and dynamic gait index in patients with chronic stroke: A randomized controlled study (CONSORT)

BACKGROUND

Foot intrinsic muscle dynamic stretching intervention can correct balance ability and induce a change in spatiotemporal parameters gait ability. Our objective was to compare the effects of a 4-week program of foot intrinsic muscle dynamic stretching with those of lunge exercise on static balance, dynamic balance, gait parameters (velocity, cadence, step length, and stride length), and the dynamic gait index (DGI) in chronic stroke patients.

METHODS

The participants were randomized to either the foot intrinsic muscle dynamic stretching (n = 10) or standard lunge exercise (n = 10) groups. Both groups performed 3 sets of lunge exercises 5 times per week for 4 weeks. Each set comprised 10 repetitions. Static and dynamic balance, gait parameters, and the DGI were measured after 4 weeks of training.

RESULTS

After 4 weeks of training, the foot intrinsic muscle dynamic stretching group showed significant improvement in all outcome measures compared with the baseline (P < .05). Furthermore, timed up and go, velocity, step length, stride length, and DGI showed greater improvement in the foot intrinsic muscle dynamic stretching group than in the standard lunge exercise group (P < .05).

CONCLUSIONS

This study demonstrated that foot intrinsic muscle dynamic stretching training improved dynamic balance, velocity, step lengths, stride length, and DGI in patients with chronic stroke.

Relationship of ankle proprioception measured in weight bearing with balance and walking ability in people with stroke: a cross-sectional study

BACKGROUND

Proprioceptive deficits are common after stroke. However, limited research has investigated their relationship with functional outcomes (balance and walking ability), particularly in weight-bearing conditions.

OBJECTIVES

This study aimed to investigate ankle proprioception on both sides (affected and unaffected), measured in biaxial movement directions (plantar flexion and inversion) and relationships with balance and walking ability in stroke survivors.

METHODS

This cross-sectional study involved 70 mild to moderate, first-time, unilateral stroke survivors. Ankle proprioception was measured in a weight-bearing standing position, using the active movement extent discrimination apparatus (AMEDA). Balance and walking ability were measured using the Berg Balance Scale (BBS), the 10-Meter Walking Test (10MWT) and the Timed Up and Go Test (TUG).

RESULTS

Ankle proprioception showed moderate correlations with balance and walking ability (0.4<|r|<0.6, all p < 0.001), regardless of side or movement direction. The only exception was proprioceptive acuity scores for plantar flexion movements made on the unaffected side, which were weakly correlated with BBS (r = 0.3, p = 0.006) and TUG (r = 0.3, p = 0.0015). Regression analysis indicated that ankle proprioception for inversion movement on the affected side was the only factor to independently predict balance (BBS, p = 0.001) and walking ability (10MWT: p < 0.001; TUG: p = 0.01). Ankle proprioception predicts 36% of the variation in BBS, 38% of the variation in 10MWT and 28% of the variation in TUG.

CONCLUSION

Ankle proprioception showed moderate associations with balance and walking ability in people with mild to moderate stroke. These findings suggest that ankle proprioception could potentially be an indicator of post-stroke functional outcomes, warranting further investigation.

Barriers and Facilitators of Implementing Arabic-Validated Standardised Outcome Measures for Chronic Stroke Rehabilitation Among Physical Therapists

BACKGROUND

Implementing standardised outcome measures (SOMs) in stroke rehabilitation practices enhances patient care, communication, and overall clinical effectiveness. However, the implementation of Arabic-validated SOMs in stroke rehabilitation practices among Arabic-speaking patients has not been fully explored.

AIMS

To examine the use, facilitators, and barriers of implementing Arabic-validated SOMs for chronic stroke rehabilitation among physical therapists.

METHODS

A cross-sectional survey was conducted among 262 physical therapists managing patients with chronic stroke. The survey evaluated the use, facilitators, and barriers to implementing Arabic-validated SOMs. Descriptive statistics summarised demographic and professional characteristics, while multivariate logistic regression identified independent predictors of SOM use, with adjusted odds ratios and 95% confidence intervals calculated.

RESULTS

The use of Arabic-validated SOMs in chronic stroke rehabilitation was reported by 54% of therapists within the first week of physical therapy services and 64% at discharge. The Berg Balance Scale and the Timed Up and Go test were the two most commonly employed scales. Facilitators for implementing SOMs included facilitating adherence to clinical practice guidelines, providing valuable patient insights, and supporting balanced assessments. Barriers included time constraints, financial limitations, and time demands on both patients and therapists. Familiarity with clinical practice guidelines was significantly associated with increased use of Arabic-validated SOMs.

CONCLUSIONS

Implementing Arabic-validated SOMs is essential to ensure culturally appropriate and linguistically accurate evaluations that support evidence-based decision-making and enhance patient management in stroke rehabilitation among Arabic-speaking patients. Enhancing familiarity with clinical practice guidelines and addressing barriers such as time constraints and financial challenges can further promote the implementation of Arabic-validated SOMs into routine practice, ultimately improving patient outcomes.

Machine learning techniques for independent gait recovery prediction in acute anterior circulation ischemic stroke

OBJECTIVE

This study aimed to develop and validate a machine learning-based predictive model for gait recovery in patients with acute anterior circulation ischemic stroke.

METHODS

Between May and November 2023, 237 patients with acute anterior circulation ischemic stroke were enrolled. Patients were randomly divided into training and validation sets at a 7:3 ratio. Thirty-one medical characteristics were collected, and the Least Absolute Shrinkage and Selection Operator (LASSO) regression was applied to screen predictor variables. Predictive models were developed using the Random Survival Forest (RSF) and COX regression methods. The optimal model was identified based on C-index values. The SHapley Additive exPlanations (SHAP) method was employed to interpret the RSF model globally and locally.

RESULTS

Ten predictors were identified through LASSO regression, including age, gender, periventricular white matter hyperintensities (PVWMH), Montreal Cognitive Assessment (MoCA), National Institutes of Health Stroke Scale (NIHSS), enlarged perivascular spaces in basal ganglia (BG-EPVS), lacunes, parietal infarction, basal ganglia infarction, and Timed Up & Go (TUG) test score. The C-index values of the COX regression and RSF models were 0.741 and 0.761 in the training set and 0.705 and 0.725 in the validation set, respectively. SHAP analysis of the RSF model identified BG-EPVS, TUG, MoCA, age, and PVWMH as the top five most influential predictors of gait recovery.

CONCLUSION

The RSF model demonstrated superior performance to the COX regression model in predicting gait recovery, offering a reliable tool for clinical decision-making regarding stroke patients' prognoses.

Assessing the fall risk with Stay Independent Questionnaire in people with stroke

Objectives

This study aimed to assess the psychometric properties of the Chinese version of the Stay Independent Questionnaire (C-SIQ) in evaluating individuals with stroke.

Design

The study adopted a cross-sectional design.

Setting

The research was conducted at a university-based neurorehabilitation center.

Participants

The study included a total of 100 individuals with stroke and 49 healthy older adults.

Methods

On Day 1, both individuals with stroke and healthy older adults underwent assessments using the C-SIQ. Additionally, individuals with stroke were evaluated using the Fugl-Meyer Assessment of Lower Extremity (FMA-LE), ankle dorsiflexion and plantarflexion strength, Berg Balance Scale (BBS), Timed-Up and Go Test (TUG), 10-meter walk test (10 mWT), Activities-specific Balance Confidence (ABC) Scale, Stroke Impact Scale (SIS), and Community Integration Measure (CIM). On Day 2 (7 days after Day 1), individuals with stroke were reassessed using the C-SIQ.

Results

Individuals with stroke exhibited a higher C-SIQ score (6.22 ± 2.98) compared to healthy older adults (1.59 ± 2.01). The C-SIQ demonstrated good test-retest reliability (intraclass correlation coefficient = 0.847) and internal consistency (Cronbach's alpha = 0.709). The Minimal Detectable Change in C-SIQ score was calculated as 3.05. Exploratory factor analysis revealed four factors with eigenvalues ≥1.0, explaining 57.17% of the total variance. The C-SIQ score exhibited significant correlations (ranging from -0.553 to 0.362) with completion times of the TUG and 10 mWT, FMA-LE, BBS, ABC, SIS, CIM score, paretic ankle dorsiflexion strength, and 6 mWT distance. A cut-off score of 2.5 was identified as the optimal threshold for discriminating fall risk between individuals with stroke and healthy controls.

Conclusion

The C-SIQ emerges as a reliable and valid tool for evaluating fall risk in individuals with stroke, showcasing strong correlations with key measures such as TUG times, 10 mWT, FMA-LE, BBS, ABC, SIS, CIM score, paretic ankle dorsiflexion strength, and 6 mWT distance. The C-SIQ demonstrated good test-retest reliability and internal consistency. Exploratory factor analysis revealed that this is a four factors assessment tool. The identified cut-off score of 2.5 effectively distinguishes fall risk between individuals with stroke and healthy controls.

Clinical Outcome Assessments for Spasticity: Review, Critique, and Recommendations

BACKGROUND

Spasticity is a common feature in patients with disruptions in corticospinal pathways. However, the term is used ambiguously. Here, spasticity is defined as enhanced velocity-dependent stretch reflexes and placed within the context of deforming spastic paresis encompassing other forms of muscle overactivity.

OBJECTIVE

This scoping review aims at evaluating the clinimetric quality of clinical outcome assessments (COAs) for spasticity across different pathologies and to make recommendations for their use.

METHODS

A literature search was conducted to identify COAs used to assess spasticity. An international expert panel evaluated the measurement properties in the included COAs. Recommendations were based on the MDS-COA program methodology based on three criteria: if the COA was (1) applied to patients with spastic paresis, (2) used by others beyond the developers, and (3) determined to be reliable, valid, and sensitive to change in patients with spasticity.

RESULTS

We identified 72 COAs of which 17 clinician-reported outcomes (ClinROs) and 6 patient-reported outcomes (PROs) were reviewed. The Tardieu Scale was the only ClinRO recommended for assessing spasticity. One ClinRO-Composite Spasticity Index-and two PROs-Spasticity 0-10 Numeric Rating Scale and 88-Item Multiple Sclerosis Spasticity Scale-were recommended with caveats. The Ashworth-derived COAs were excluded after evaluation due to their focus on muscle tone rather than spasticity, as defined in this review.

CONCLUSIONS

The Tardieu Scale is recommended for assessing spasticity, and two PROs are recommended with caveats. Consistent terminology about the various types of muscle overactivity is necessary to facilitate their assessment and treatment. © 2024 The Author(s). Movement Disorders published by Wiley Periodicals LLC on behalf of International Parkinson and Movement Disorder Society.

The Effectiveness of Therapeutic Exercise Interventions With Virtual Reality on Balance and Walking Among Persons With Chronic Stroke: Systematic Review, Meta-Analysis, and Meta-Regression of Randomized Controlled Trials

BACKGROUND

Well-targeted balance, walking, and weight-shift training can improve balance capabilities in the chronic phase of stroke. There is an urgent need for a long-term approach to rehabilitation that extends beyond the acute and subacute phases, supporting participation without increasing the demand for health care staff.

OBJECTIVE

This study aims to evaluate the effectiveness of therapeutic exercise interventions with virtual reality (VR) training on balance and walking at the activity and participation levels in individuals with chronic stroke, compared with control groups receiving no treatment, conventional physical therapy, specific training, similar treatment, or identical treatment without VR.

METHODS

Studies were searched across 6 databases. The inclusion criteria were as follows: Adults aged 18 years or older with a stroke diagnosis for at least 6 months (population). Therapeutic exercises within a VR environment, using VR glasses or interactive games (intervention). Control groups without the use of VR (including no treatment, conventional physical therapy, specific training, similar treatment without VR, or identical treatment without the additional use of VR; comparison). We evaluated the Berg Balance Scale score, Functional Reach Test performance, Activities-specific Balance Confidence Scale score, Six-minute Walk Test, Two-minute Walk Test, 10-meter Walk Test results, and cadence (outcome measures). We investigated randomized controlled trials (study design). A meta-analysis and a meta-regression analysis were conducted to evaluate whether the content of VR interventions or control groups, as well as the level of VR immersion used, was related to balance or walking outcomes.

RESULTS

A total of 43 randomized controlled trials involving 1136 participants were included in this review. The use of VR training in therapeutic exercise interventions had a large effect on balance (standardized mean difference 0.51, 95% CI 0.29-0.72; P<.001) and a moderate effect on walking (standardized mean difference 0.31, 95% CI 0.09-0.53; P=.006) in individuals with chronic stroke, compared with pooled control groups (no treatment, conventional physical therapy, specific training, similar treatment, or identical treatment without the use of VR). According to the meta-regression findings, the content of VR interventions (P=.52), the type of control groups (P=.79), and the level of VR immersion (P=.82) were not significantly related to the pooled balance or walking outcomes. The GRADE (Grading of Recommendations, Assessment, Development, and Evaluations) was moderate for balance and low for walking.

CONCLUSIONS

Therapeutic exercise training with VR had a positive, albeit moderate, effect on balance and a low impact on walking at the level of activity (capacity), even in the chronic phase of stroke, without serious side effects. The results are applicable to working-aged stroke rehabilitees who are able to walk without assistance. Further research is needed with defined VR methods and outcomes that assess performance at the level of real-life participation.

Turkish cultural adaptation, validity, and reliability of the stroke activity scale in individuals with Hemiparesis

AIM

The aim of this study was to make the Turkish cultural adaptation of the the Stroke Activity Scale (SAS).

METHOD

This study was designed as a methodological research. The psychometric properties of the SAS scale were evaluated by validity and reliability analyses.

RESULTS

The average age of 84 stroke patients (mean ± SD) was 59.52 ± 14.03 years. Kaiser-Meyer-Olkin (0.816) and Bartlett's Test of Sphericity (χ2 = 288.968, df = 10, p < 0.001) showed that the data set can be factored. A one-factor structure was obtained with Principal Component Analysis (PCA). The factor loads of the items obtained with PCA and Confirmatory Factor Analysis (CFA) were found to be statistically significant. The obtained chi-square statistics (χ2 = 2.227, p = 0.694), normalized chi-square/freedom (χ2/sd) value (0 ≤ 0.557 ≤ 2) and other goodness of fit indices showed good compliance. The positive highly significant correlation (r = 0.846, p < 0.001) between the SAS and Rivermead Mobility Index (RMI) scales confirmed the Concurrent validity. Cronbach's alpha (0.864) value showed high reliability and Intraclass Correlation Coefficient (ICC) value (0.983, p < 0.001) showed excellent agreement.

CONCLUSIONS

In this study, which was conducted for the Turkish adaptation of the SAS scale, the 5-item and 1-factor structure was evaluated as a valid and reliable scale for evaluating the balance abilities of stroke patients living in Turkey.

Screening cutoff values to identify the risk of falls after stroke: A scoping review

OBJECTIVE

The present scoping review aimed to summarize and determine the accuracy of the variables and cutoff values reported to date for identifying fall risk in patients with stroke and identify the commonalities, limitations, and clinical implications.

METHODS

Articles published by the end of 2023 were searched using PubMed, Cumulative Index of Nursing and Allied Health Literature, and Scopus electronic databases. Two reviewers created a search formula, searched the databases, and conducted primary and secondary screenings.

RESULTS

This review included 21 articles. The most commonly used individual indicator for identifying fall risk after stroke was the Berg Balance Scale; the cutoff values were relatively consistent, ranging between 46.5 and 50.5 points (area under the curve: 0.72-0.81). For the Timed Up and Go test and Falls Efficacy Scale-International, the cutoff values were in the range of 15-19 s and 27-29 points, respectively, and were relatively consistent across the articles. However, the area under the curve values were low (0.66-0.70 and 0.68-0.71, respectively).

CONCLUSION

Among various assessments, the Berg Balance Scale is the most extensively studied tool, with established cutoff values associated with falls risk. It serves as a reliable indicator for detecting fall risk, especially in community-dwelling individuals with chronic stroke.

Effects of Dry Needling on Gastrocnemius Muscle Spasticity and Gait in Patients with Multiple Sclerosis: A Pilot Randomized Controlled Trial

Objective

Spasticity is a common complication in patients with multiple sclerosis (pwMS). The present study aimed to evaluate the clinical, biomechanical, and functional effects of dry needling (DN) in treating gastrocnemius muscle spasticity in pwMS.

Materials and Methods

A pilot single-blinded randomized controlled trial was carried out. Eleven patients were randomly allocated to the DN group, and 10 to the waiting list control group. A single session of DN for 2 minutes was performed for the gastrocnemius muscle. Primary outcome measures were the modified Modified Ashworth Scale (MMAS), the passive resistive torque (PRT), and the foot pressure distribution of podography. The secondary outcome measures were the active and passive ankle dorsiflexion range of motion (ROM) and timed up-and-go (TUG) test. Outcomes were measured at baseline, immediately after the intervention, and at one-week follow-up.

Results

Twenty-one pwMS with a mean age of 39.52 ± 7.24 years and MS duration of 166.86 ± 5.66 months participated in the study. There were no significant changes in all outcomes for pwMS in the control group. In the DN group, the median gastrocnemius MMAS spasticity significantly decreased after the intervention, and the improvement remained at 1-week follow-up (median decrease from "3" to "2", p = 0.004). The analysis of covariance between-group analysis showed that the PRT (effect size = 0.65) and ankle active (effect size = 0.62) and passive ROM (effect size = 0.8) improved significantly after DN. There were no significant improvements in contact area, but small effect sizes were observed for the maximum plantar force (0.28) and maximum peak pressure at follow-up. The effect size for the TUG test was moderate (0.49).

Conclusions

These findings show that a single session of DN applied for 2 min was effective in improving gastrocnemius spasticity, PRT, active and passive ankle ROM, and dynamic balance, but walking did not improve meaningfully.

Physical Activity and Cognitive Impairment in a Group of Adults with Down Syndrome from North-Eastern Romania

Background: Down syndrome (DS) is the most prevalent chromosomal condition, with the average life expectancy significantly rising from 25 years in 1983 to 60 years in 2020. People with DS generally can participate in most physical activities that individuals without the disability can, despite some physical limitations. However, the varying degrees of cognitive deficits can present challenges when it comes to performing physical activities. Methods: We conducted a prospective, cross-sectional study in the Cardiovascular Rehabilitation Clinic from the Clinical Rehabilitation Hospital from Iași, Romania, between July 2022 and February 2024 that included 28 patients diagnosed with DS. We collected data regarding age and comorbidities and performed several tests (MMSE, timed-up-and-go test, and handgrip strength). Results: The group consisted of 11 (39%) females and 17 (61%) males with a mean age of 28.07 ± 9.51 years. The weight profile of the study group differed according to the degree of physical activity: 62.50% of those with moderate physical activity were moderately overweight, while 75% of those with minimal activity were overweight or obese. The muscle strength and MMSE score was higher in the group of patients who performed moderate physical activity. Regarding comorbidities, there was a statistically significant difference in the percentage of patients with hearing loss among those with minimal physical activity. Conclusions: Our results provide an update on the very limited data available. The study indicates that people with DS are generally less physically active and face unique health challenges (hearing loss, intellectual disabilities, and osteoarticular pathologies).

Electromyography-Triggered Constraint-Induced Movement Cycling Therapy for Enhancing Motor Function in Chronic Stroke Patients: A Randomized Controlled Trial

This single-blind randomized controlled trial investigated the effectiveness of surface electromyography (sEMG)-triggered constraint-induced movement cycling therapy (CIMCT) in improving balance, lower extremity strength, and activities of daily living in patients with chronic stroke. The participants included patients with chronic stroke-induced hemiplegia who had been diagnosed for more than 6 months, with a minimum score of 24 points on the Mini-Mental State Examination and above level 3 on the Brunnstrom stages. The trial lasted 4 weeks and participants were divided into a CIMCT group and a general cycling training (GCT) group. The CIMCT group (n = 20) used an sEMG-triggered constrained-induced movement therapy device, whereas the GCT group (n = 19) used a standard stationary bicycle. The primary outcome measures showed a significant increase in muscle strength on the affected side in the CIMCT group, as assessed by a manual muscle tester (p < 0.05), with a large effect size (d = 1.86), while no meaningful improvement was observed in the GCT group. Both groups demonstrated significant improvements in dynamic balance, as measured by the Timed Up and Go (TUG) test (p < 0.05), with the CIMCT group showing superior results compared to the GCT group, reflected by a large effect size (d = 0.96). Additionally, both groups showed significant improvements in balance as assessed by the Berg Balance Scale (BBS) and the Functional Reach Test (FRT). The CIMCT group exhibited more pronounced improvements than the GCT group, with large effect sizes of 0.83 for the BBS and 1.25 for the FRT. The secondary outcome measures revealed significant improvements in activities of daily living in both groups, as assessed by the modified Barthel index (MBI), with the CIMCT group achieving a substantial improvement (p < 0.05), accompanied by a large effect size (d = 0.87). This study concludes that sEMG-triggered CIMCT effectively improved muscle strength, postural balance, and activities of daily living in patients with chronic stroke.

Psychometric properties of lift and carry test in assessing people with stroke

Objective

To investigate the psychometric properties of the Lift and Carry Test (LCT) time in people with stroke.

Design

Cross-sectional design.

Setting

University based neurorehabilitation laboratory.

Participants

Twenty-four people with stroke and 24 healthy controls.

Outcome measures

Lift and Carry Test (LCT), Fugl-Meyer Assessment of upper extremity and lower extremity, ankle dorsiflexor and plantarflexor muscle strength, Berg Balance Scale (BBS), Timed Up and Go (TUG) and Community Integration Measure.

Results

The mean LCT time (29.70s) in people with stroke was more than double of that in healthy controls (13.70s). The LCT showed excellent intra-rater, inter-rater and test-retest reliability [intraclass correlation coefficient (ICC) = 0.943-1.000]. The LCT times demonstrated a significant negative correlation with the BBS score (rs = -0.771) and significant positive correlations with the TUG times (rs = 0.933). There was no significant correlation between LCT times and FMA score (p > 0.05). An optimal cut-off LCT time of 15.48 s (sensitivity = 95.8%, specificity = 87.5%) was identified to differentiate between people with stroke and healthy controls (area under the curve = 0.957).

Conclusion

LCT is an excellent clinical test for examining advanced functional ability in people with stroke and distinguishing people with stroke from healthy controls.

Effects of the intermittent theta burst stimulation on gait, balance and lower limbs motor function in stroke: study protocol for a double-blind randomised controlled trial with multimodal neuroimaging assessments

INTRODUCTION

Approximately, 50% of stroke survivors experience impaired walking ability 6 months after conventional rehabilitation and standard care. However, compared with upper limb motor function, research on lower limbs rehabilitation through non-invasive neuromodulation like repetitive transcranial magnetic stimulation (rTMS) has received less attention. Limited evidence exists regarding the effectiveness of intermittent theta-burst stimulation (iTBS), an optimised rTMS modality, on lower limbs rehabilitation after stroke. This study aims to evaluate the effects of iTBS on gait, balance and lower limbs motor function in stroke recovery while also exploring the underlying neural mechanisms using longitudinal analysis of multimodal neuroimaging data.

METHODS AND ANALYSIS

In this double-blinded randomised controlled trial, a total of 46 patients who had a stroke will be randomly assigned in a 1:1 ratio to receive either 15 sessions of leg motor area iTBS consisting of 600 pulses or sham stimulation over the course of 3 weeks. Additionally, conventional rehabilitation therapy will be administered following the (sham) iTBS intervention. The primary outcome measure will be the 10 m walking test. Secondary outcomes include the Fugl-Meyer assessment of the lower extremity, Timed Up and Go Test, Functional Ambulation Category Scale, Berg Balance Scale, modified Barthel Index, Mini-Mental State Examination, montreal cognitive assessment, tecnobody balance assessment encompassing both static and dynamic stability evaluations, surface electromyography recording muscle activation of the lower limbs, three-dimensional gait analysis focusing on temporal and spatial parameters as well as ground reaction force measurements, corticomotor excitability tests including resting motor threshold, motor evoked potential and recruitment curves and multimodal functional MRI scanning. Outcome measures will be collected prior to and after the intervention period with follow-up at 3 weeks.

ETHICS AND DISSEMINATION

The study has received approval from the Medical Research Ethics Committee of Wuxi Mental Health Center/Wuxi Central Rehabilitation Hospital (no. WXMHCCIRB2023LLky078). Results will be disseminated through peer-reviewed journals and scientific conferences.

TRIAL REGISTRATION NUMBER

ChiCTR2300077431.

Post-stroke spasticity: follow-up and functional implications of chronic long-term treatment with botulinum toxin

BACKGROUND

Around 40% of stroke survivor develop spasticity. Plantar flexors (PF) muscles are often affected, with severe functional impairment. The treatment of choice is botulinum toxin type A (BoNT-A) combined with adjuvant treatments. The temporary pharmacological effect implies periodic reassessment and reinjection. These long-term chronic programs require monitoring the functional impact of each cycle and the clinical evolution in relation to aging and repeated interventions.

AIM

Evaluating changes of functional level in patients with post-stroke spasticity treated with BoNT-A by assessing the long-term maintenance of the therapeutic efficacy.

DESIGN

Retrospective longitudinal observational study.

SETTING

Outpatients.

POPULATION

Chronic stroke survivors undergoing BoNT-A treatment and subsequent intensive rehabilitation (10 sessions in a day-hospital regime).

METHODS

Medical records of the enrolled patients were consulted. The primary endpoint was the change in PF spasticity by at least 1 point on the Modified Ashworth Scale (MAS) at each cycle. Secondary endpoints were the assessment of possible trends in gait parameters (Six Minute Walking Test [6MWT]; Timed Up and Go [TUG], and 10 Meters Walking Test [10mWT]) pre- and post-injection and at each cycle.

RESULTS

Thirty-six patients were enrolled. A reduction of at least one MAS point for PF was recorded after each cycle in all subjects. A time-dependent reduction in the proportion of patients reporting an improvement higher than the minimal clinically important difference (MCID) in 6MWT and 10mWT was observed. In the case of TUG, this data kept stable at all cycles. A one-point increase in the basal functional ambulation classification (FAC) score resulted in a reduction in the probability of having a TUG improvement greater than the MCID. The opposite correlation was found for 6MWT and 10mWT.

CONCLUSIONS

With the proposed treatment, the clinical significance TUG improvement remains constant throughout repeated cycles and the proportion of patients with improvement in 6MWT and 10mWT tends to decline over time. The predictive value of basal FAC on the functional variables expected improvement may provide a potential treatment targeting tool.

CLINICAL REHABILITATION IMPACT

These results may deliver prognostic indication allowing an optimized integration of different post-BoNT-A rehabilitation approaches, agreeing with current evidence. Adequate monitoring and treatment protocols are crucial for the stability of functional level and may prevent excessive fluctuations.

Efficacy of a Four-Week Diagonal Pattern Exercise Program on Trunk and Lower Limb Function in Patients With Stroke-Induced Hemiplegia

Objective The intended effect of this investigation is to quantify the efficacy of a four-week program of diagonal pattern exercises in managing trunk impairments and improving gait difficulties in hemiplegic stroke subjects. The study aims to measure changes in trunk stability and gait parameters post-intervention, providing insights into the potential therapeutic benefits of these exercises for stroke rehabilitation. Methodology This experimentation approach encompassing before and the follow-up test evaluations was implemented in this investigation. It was conducted at Madha College of Physiotherapy, Chennai, using convenience sampling to recruit 20 stroke subjects meeting specific inclusion criteria. Participants underwent pre-test evaluations for trunk control and gait. They were then divided equally into two groups for a four-week intervention comprising diagonal pattern exercises or single-plane training. Treatment sessions were administered five days per week for 45 minutes each. Posttest evaluations assessed changes in trunk control using the Trunk Impairment Scale (TIS) and gait parameters via the Timed Up and Go (TUG) test. Results Pretest analysis indicated no substantial baseline variations among the experimental and control groups, affirming their suitability for comparison. Posttest analysis of intervention at a 5% significance level revealed that the experimental group demonstrated a statistically significant improvement in trunk control, as measured by the TIS and TUG test, compared to the control group. The paired t-test results showed significant differences in pre- and posttest values within each group, while the unpaired t-test confirmed the superiority of the experimental group's outcomes, with a P-value < 0.05. This improvement is likely due to the effectiveness of the diagonal pattern exercise in enhancing trunk muscle activity and coordination. Conclusions This study concludes that diagonal pattern training is more beneficial for improving trunk musculature control and locomotory ability in chronic cerebrovascular accident subjects. The exercise program's simplicity, minimal risks, and ease of home application after initial therapist supervision make it a promising therapeutic approach.

Efficacy of plantar tactile sensation and balance in patients with subacute stroke following plantar kinesio taping: a randomized, cross-over preliminary study

BACKGROUND

Kinesio tape (KT) is known to enhance tactile sensation. In stroke rehabilitation, KT is often used alongside conventional therapy (CT) to improve balance recovery.

OBJECTIVE

In this study, we aimed to evaluate the effectiveness of plantar KT in enhancing plantar tactile sensation (PTS) and balance ability in subacute stroke patients.

METHODS

In this randomized crossover trial, 22 subacute stroke participants were randomly assigned to receive no taping, paretic plantar KT, or bilateral plantar KT, with a 24-h washout period between each condition. All participants underwent 30 min of CT. The primary outcome was PTS, involving tactile sensitivity in five areas on the plantar surface and the contact area with the ground of the paretic foot. The one-leg stand (OLS) time, functional reach test (FRT), and timed up-and-go test (TUG) were employed as secondary outcomes.

RESULTS

Paretic plantar KT application led to significant increases in the contact area, OLS, FRT, and TUG test times. Particularly, bilateral plantar KT showed significantly greater improvement in PTS compared to paretic plantar KT. Additionally, bilateral plantar KT significantly improved OLS (p < 0.001, η2 = 0.575), FRT (p < 0.001, η2 = 781), and TUG (p < 0.001, η2 = 0.771) times compared with paretic plantar KT.

CONCLUSIONS

This study demonstrated that plantar KT improved PTS and balance ability in stroke rehabilitation. The findings suggest that bilateral plantar KT as an adjunct to CT may have a beneficial effect on balance recovery in patients with subacute stroke.

TRIAL REGISTRATION

Clinical trial KCT0009048.

PEMOCS: Evaluating the effects of a concept-guided, PErsonalised, MOtor-Cognitive exergame training on cognitive functions and gait in chronic Stroke-study protocol for a randomised controlled trial

BACKGROUND

Many stroke survivors remain with residual cognitive and motor impairments despite receiving timely acute and sub-acute rehabilitation. This indicates that rehabilitation following stroke should be continuous to meet the needs of individual stroke patients. Both cognitive and motor functions are essential for mastering daily life and, therefore, should be aimed at with rehabilitation. Exergames, motor-cognitive exercises performed using video games, are an auspicious method to train both motor and cognitive functions and at the same time may foster the long-term motivation for training. This study aims to assess the effect of concept-guided, personalised, motor-cognitive exergame training on cognitive and motor functions in chronic stroke survivors.

METHODS

This study is a single-blinded, randomised controlled trial. Assessments are performed at baseline, after a 12-week intervention, and at a 24-weeks follow-up. Chronic stroke patients (≥ 18 years old, ≥ 6 months post-stroke) able to stand for 3 min, independently walk 10 m, follow a two-stage command, and without other neurological diseases apart from cognitive deficits or dementia are included. Participants in the intervention group perform the exergame training twice per week for 30 (beginning) up to 40 (end) minutes additionally to their usual care programme. Participants in the control group receive usual care without additional intervention(s). Global cognitive functioning (total Montreal Cognitive Assessment (MoCA) score) is the primary outcome. Secondary outcomes include health-related quality of life, specific cognitive functions, single- and dual-task mobility, and spatiotemporal gait parameters. The target sample size for this trial is 38 participants. Linear mixed models with the post-outcome scores as dependent variables and group and time as fixed effects will be performed for analysis.

DISCUSSION

Superior improvements in global cognitive functioning and in the abovementioned secondary outcomes in the intervention group compared to the control group are hypothesised. The results of this study may guide future design of long-term rehabilitation interventions after stroke.

TRIAL REGISTRATION

ClinicalTrials.gov (NCT05524727). Registered on September 1, 2022.

Cautious Gait during Navigational Tasks in People with Hemiparesis: An Observational Study

Locomotor and balance disorders are major limitations for subjects with hemiparesis. The Timed Up and Go (TUG) test is a complex navigational task involving oriented walking and obstacle circumvention. We hypothesized that subjects with hemiparesis adopt a cautious gait during complex locomotor tasks. The primary aim was to compare spatio-temporal gait parameters, indicators of cautious gait, between the locomotor subtasks of the TUG (Go, Turn, Return) and a Straight-line walk in people with hemiparesis. Our secondary aim was to analyze the relationships between TUG performance and balance measures, compare spatio-temporal gait parameters between fallers and non-fallers, and identify the biomechanical determinants of TUG performance. Biomechanical parameters during the TUG and Straight-line walk were analyzed using a motion capture system. A repeated measures ANOVA and two stepwise ascending multiple regressions (with performance variables and biomechanical variables) were conducted. Gait speed, step length, and % single support phase (SSP) of the 29 participants were reduced during Turn compared to Go and Return and the Straight-line walk, and step width and % double support phase were increased. TUG performance was related to several balance measures. Turn performance (R2 = 63%) and Turn trajectory deviation followed by % SSP on the paretic side and the vertical center of mass velocity during Go (R2 = 71%) determined TUG performance time. People with hemiparesis adopt a cautious gait during complex navigation at the expense of performance.

Wearable sensor-based quantitative gait analysis in Parkinson's disease patients with different motor subtypes

Gait impairments are among the most common and disabling symptoms of Parkinson's disease and worsen as the disease progresses. Early detection and diagnosis of subtype-specific gait deficits, as well as progression monitoring, can help to implement effective and preventive personalized treatment for PD patients. Yet, the gait features have not been fully studied in PD and its motor subtypes. To characterize comprehensive and objective gait alterations and to identify the potential gait biomarkers for early diagnosis, subtype differentiation, and disease severity monitoring. We analyzed gait parameters related to upper/lower limbs, trunk and lumbar, and postural transitions from 24 tremor-dominant (TD) and 20 postural instability gait difficulty (PIGD) dominant PD patients who were in early stage and 39 matched healthy controls (HC) during the Timed Up and Go test using wearable sensors. Results show: (1) Both TD and PIGD groups showed restricted backswing range in bilateral lower extremities and more affected side (MAS) arm, reduced trunk and lumbar rotation range in the coronal plane, and low turning efficiency. The receiver operating characteristic (ROC) analysis revealed these objective gait features had high discriminative value in distinguishing both PD subtypes from the HC with the area under the curve (AUC) values of 0.7~0.9 (p < 0.01). (2) Subtle but measurable gait differences existed between TD and PIGD patients before the onset of clinically apparent gait impairment. (3) Specific gait parameters were significantly associated with disease severity in TD and PIGD subtypes. Objective gait biomarkers based on wearable sensors may facilitate timely and personalized gait treatments in PD subtypes through early diagnosis, subtype differentiation, and disease severity monitoring.

A Study on the Effects of a Self-Administered Eye Exercise Program on the Balance and Gait Ability of Chronic Stroke Patients: A Randomized Controlled Trial

This study investigates the effects of a self-administered eye exercise (SEE) program on the balance and gait ability of chronic stroke patients hospitalized due to hemiplegia. This study includes 42 patients diagnosed with stroke-related hemiplegia and hospitalized at D Rehabilitation Hospital. The researcher randomly allocated 42 patients into two groups: the experimental group (EG, n = 21, mean age = 58.14 ± 7.69 years, mean BMI = 22.83 ± 2.19 kg/m2) and the control group (CG, n = 21, mean age = 58.57 ± 6.53 years, mean BMI = 22.81 ± 2.36 kg/m2). The SEE program was applied to the EG and the general self-administered exercise (SE) program was applied to the CG. After 4 weeks of intervention, weight distribution of the affected side, the Timed Up and Go test (TUG), step length of the affected side, step length of the unaffected side, gait speed, and cadence were analyzed and compared. In the within-group comparison, both groups showed significant differences in weight distribution (p < 0.05), TUG (p < 0.05), step length of the affected side (p < 0.05), step length of the unaffected side (p < 0.05), gait speed (p < 0.05), and cadence (p < 0.05). In the between-group comparison, a significant difference in the TUG (p < 0.05) was observed. The SEE program had an overall similar effect to the SE program in improving the balance and gait ability of chronic stroke patients, and had a greater effect on dynamic balance ability. Therefore, the SEE program can be proposed as a self-administered exercise program to improve balance and gait ability in stroke patients who are too weak to perform the SE program in a clinical environment or have a high risk of falling.

Effects of Virtual Reality-Assisted and Overground Gait Adaptation Training on Balance and Walking Ability in Stroke Patients: A Randomized Controlled Trial

OBJECTIVE

This study compared the effects of virtual reality-assisted gait adaptation training with the overground gait adaptation training on balance and walking in patients with stroke.

METHODS

Fifty-four eligible patients were enrolled. All patients were randomly divided into a virtual reality and control group, with 27 patients in each group. The virtual reality group received virtual reality-assisted training on the treadmill, whereas the control group received overground training in a physical therapy room. After the intervention, patients were assessed using walking speed, obstacle avoidance ability, Timed Up and Go test, postural stability, and the Barthel Index.

RESULTS

Significant improvements in walking speed, obstacle avoidance ability, Timed Up and Go test, and eye-opening center of pressure speed were observed after the intervention ( P < 0.05). No statistically significant differences were found in eye-closing center of pressure speed, tandem center of pressure speed, single-leg center of pressure speed, and Barthel Index ( P > 0.05).

CONCLUSIONS

Stroke patients may benefit from virtual reality-assisted gait adaptation training in improving walking and static balance function and reducing the risk of falls.

Gait analysis and geriatric syndromes: An association among elderly patients attending a teaching hospital of Delhi

Background

Gait abnormalities are prevalent, affecting a substantial portion of the elderly population, and leading to mobility limitations, reduced quality of life, falls, hospitalizations, and premature death.

Objectives

The study aims to assess gait patterns among individuals aged 75 years and above attending the geriatric OPD of a tertiary care hospital in New Delhi and evaluate their association with various geriatric syndromes.

Materials and Methods

This cross-sectional study, conducted at a tertiary care hospital in Delhi, from May 2019 to November 2021, involved 100 participants aged 75 and above. It encompassed a thorough assessment protocol covering demographics, health history, clinical and functional evaluations, depression, cognition, balance, frailty, urinary incontinence, polypharmacy, nutrition, comorbidities, and gait analysis.

Results

In this study of elderly individuals, the mean age was 78.56 years, and the mean BMI was 23.11. The participants had an average of 1.74 comorbidities, with hypertension being the most prevalent (62%), followed by diabetes (25%), chronic obstructive airway disease (COAD) (11%), and coronary artery disease (15%). Geriatric assessments revealed varying proportions of frailty (34%), polypharmacy (40%), and urinary incontinence (9%). The mean scores for activities of daily living, instrumental activities of daily living, nutritional status, cognitive function, Timed Up and Go Test, and depression scale were also reported. Various gait parameters demonstrated significant correlations with these geriatric factors, including frailty, comorbidities, BMI, and mobility scores.

Conclusion

The study identified significant associations between gait patterns and various geriatric syndromes, emphasizing the importance of gait analysis in assessing the health and mobility of elderly individuals.

The effectiveness of virtual reality exercise games on balance functions and fear of falling in women with osteoporosis

To investigate and compare the effectiveness of Nintendo Wii games and home exercises on balance functions in patients with osteoporosis, an important disease adversely affecting balance functions. The patients included in the study were randomized into two groups the Wii exercise group (n = 30) and the home exercise group (n = 30). Wii exercise group performed balance exercises with a Nintendo Wii device and balance board three times a week for 12 weeks under the supervision of a physiotherapist in the hospital, and home exercise group was prescribed home exercises three days a week for 12 weeks. Balance functions were evaluated with the timed up-and-go-test and Berg Balance Scale, and the fall risk was evaluated with the Falls Efficacy Scale at the beginning and end of 12 weeks of treatment. Comparison of pre- and post-treatment timed up-and-go-test, Berg Balance Scale, and Falls Efficacy Scale results in both groups revealed statistically significant improvements (p = 0.001; p < 0.05). Furthermore, post-treatment test scores between the two groups demonstrated a significant enhancement in Wii exercise group regarding the Berg Balance Scale score (Mean ± SD 52.9 ± 3.63) (p = 0.001; p < 0.05). Within the osteoporotic population, balance functions serve as robust predictors of fall risk. Improvement in balance functions is crucial for the prevention of falls and subsequent osteoporotic fractures. In our study, we found that balance exercises performed with Wii games are effective in improving balance functions in patients with osteoporosis.

Effectiveness and Safety of Meridian Activation Remedy System for Alleviating Motor Symptoms in Parkinson's Disease: an Observational Study

Background

Parkinson's disease (PD) lacks disease-modifying drugs or sustainable interventions, creating an unmet treatment need. Investigating complementary and alternative medicines aims to improve PD patients' quality of life by alleviating symptoms and delaying the course of the disease.

Objectives

In this single-center, prospective, observational, single-arm study, we aimed to assess the effectiveness and safety of acupuncture combined with exercise therapy and the Meridian Activation Remedy System (MARS).

Methods

From March to October 2021, 13 PD patients with Hoehn and Yahr stages 1 to 3 were recruited. For 8 weeks, MARS intervention was carried out twice a week. T-statistics were used to evaluate functional near-infrared spectroscopy (fNIRS) and GAITRite outcomes. All of the remaining outcome variables were evaluated using the Wilcoxon signed-rank test.

Results

The MARS intervention significantly reduced PD patients' Movement Disorder Society-Sponsored Revision of the Unified Parkinson's Disease Rating Scale (MDSUPDRS) Part III score (from 20.0 ± 11.8 to 8.8 ± 5.5, p = 0.003), 10-meter walk test speed (from 9.5 ± 1.8 to 8.7 ± 1.3 seconds, p = 0.040), and timed up and go time (from 9.8 ± 1.8 to 8.9 ± 1.4 seconds, p = 0.040). Moreover, the MDS-UPDRS Part II, fNIRS hemodynamics, 360-degree turn test, fall efficacy scale, and Parkinson's Disease Questionnaire 39 scores improved but not significantly. All participants completed the 8-week intervention without any adverse reactions.

Conclusion

An 8-week MARS intervention improved motor symptoms in PD patients. In particular, improvements in UPDRS Part III scores exhibited large clinically important differences. The findings are encouraging, and a randomized controlled trial will be conducted to determine the efficacy and cost-effectiveness of MARS intervention.

Individual and environmental variables related to outdoor walking among older adults: Verifying a model to guide the design of interventions targeting outdoor walking

OBJECTIVE

To estimate the relationships between individual and environmental variables and outdoor walking (OW) in older adults with OW limitations through verifying a conceptual model.

METHODS

Baseline data from 205 older adults participating in a randomized trial of a park-based OW program were analyzed using structural equation modeling. We evaluated a three latent factor model: OW (accelerometry and self-report); individual factors (balance; leg strength; walking self-confidence, speed and endurance; mental health; education; income; car access); and environmental factors (neighbourhood walkability components).

RESULTS

Mean age was 75 years; 73% were women. Individual factors was significantly associated with OW (β = 0.39, p < .01). Environmental factors was not directly associated with OW but was indirectly linked to OW through its significant covariance with the individual factors (β = 0.22, p < .01). The standardized factor loadings from the individual factors on walking self-confidence and walking capacity measures exceeded 0.65.

CONCLUSIONS

Better walking capacity and more confidence in the ability to walk outdoors are associated with higher OW in older adults. Better neighbourhood walkability is indirectly associated with more OW. The conceptual model demonstrates an individual and environment association; if the capacity of the individual is increased (potentially through walking interventions), they may be able to better navigate environmental challenges.

The effectiveness of core stabilization exercise using ultrasound biofeedback on motor function, balance control, gait speed and activities of daily living in stroke patients

BACKGROUND

Patients with hemiparetic stroke experience diminished motor function, dynamic balance, and gait speed, which influence their activities of daily living (ADL).

OBJECTIVE

This study aimed to determine the therapeutic effects of ultrasound biofeedback core exercise (UBCE) on Fugl-Meyer assessment (FMA), Time up and go (TUG), 10-meter walking test (10MWT) and functional independent measure (FIM) in participants with stroke.

METHODS

Twenty-four stroke survivors consistently underwent UBCE or abdominal draw-in maneuver (ADIM) for 30 min/session, 3 days a week for 4 weeks. Clinical outcome measurements - the FMA, TUG, 10MWT, and FIM - were observed pre-and post-intervention.

RESULTS

We detected significant changes in the FMA-lower extremities, TUG, 10MWT, and FIM scores between the UBCE and ADIM groups. UBCE and ADIM showed significant improvements in FMA-lower extremities, TUG, 10MWT, and FIM scores. However, UBCE showed more favorable results than ADIM in patients with stroke.

CONCLUSIONS

Our research provides novel therapeutic suggestion of neurorehabilitation in stroke patients.

Testing the psychometric properties of the Chinese (Cantonese) version of SATIS-Stroke in people with chronic stroke

PURPOSE

To culturally adapt and examine the psychometric properties of the Chinese (Cantonese) version of SATIS-Stroke (C-SATIS-Stroke) in people with chronic stroke.

MATERIALS AND METHODS

Forward and backward translations were performed in accordance with available guidelines. We administered the C-SATIS-Stroke to 101 people with stroke and 50 healthy older adults. We assessed the test-retest and internal reliability, measurement error, known-group validity, correlations with other outcome measures, optimal cut-off score and ceiling and floor effects.

RESULTS

C-SATIS-Stroke demonstrated excellent internal consistency (Cronbach's α = 0.959) and good test-retest reliability (intraclass correlation coefficient3,1 = 0.913). Compared with healthy controls, people with chronic stroke had lower C-SATIS-Stroke scores. The mean C-SATIS-Stroke score was significantly correlated with the mean scores of the Activities-specific Balance Confidence Scale, Stroke Impact Scale, Community Integration Measure and Survey of Activities and Fear of Falling in the Elderly. The cut-off score to distinguish the levels of satisfaction with activity and participation between people with chronic stroke and healthy older adults was 80 out of 108 (sensitivity: 77%; specificity: 72%). C-SATIS-Stroke exhibited ceiling effects but not floor effects.

CONCLUSIONS

C-SATIS-Stroke is a reliable and valid measure for assessing satisfaction with social participation among Chinese people with chronic stroke.IMPLICATIONS FOR REHABILITATIONSatisfactory semantic, idiomatic, cultural, and conceptual equivalence of the C-SATIS-Stroke are in line with those of the original English version of the SATIS-StrokeExcellent reliability and validity of the C-SATIS-Stroke are also in line with those of the original English version of the SATIS-StrokeThe C-SATIS-Stroke can be used to assess the subjective satisfaction feeling in terms of social participation among Chinese people with chronic stroke.

Comparison of a single session of tDCS on cerebellum vs. motor cortex in stroke patients: a randomized sham-controlled trial

OBJECTIVE

The purpose of this study was to determine whether a single session of trans-cranial direct current stimulation (tDCS) of the cerebellum and M1 has any advantages over one another or sham stimulation in terms of balance, gait and lower limb function.

METHODS

A total of 66 patients who had experienced their first ever stroke were recruited into three groups for this double-blinded, parallel, randomized, sham-controlled trial: cerebellar stimulation group (CbSG), M1 stimulation group (MSG) and sham stimulation group (SSG). A single session of anodal tDCS with an intensity of 2 mA for a duration of 20 min was administered in addition to gait and balance training based on virtual reality using an Xbox 360 with Kinect. Balance, gait, cognition and risk of fall were assessed using outcome measures before intervention (T0), immediately after intervention (T1) and an hour after intervention (T2).

RESULTS

Across group analysis of all outcome measures showed statistically non-significant results (p > .05) except for Six Minute Walk Test (p value T0 = .003, p value T1 = .025, p value T2 = .016). The training effect difference showed a significant difference in balance, gait and cognition, as well as cerebral and cerebellar stimulation, in comparison to sham stimulation (p < .05). The risk of falls remained unaffected by any stimulation (p > .05).

CONCLUSIONS

In addition to Xbox Kinect-based rehabilitation training, a single session of anodal tDCS to the M1 or cerebellum may be beneficial for improving lower limb function, balance and gait performance.

The whole day matters after stroke: Study protocol for a randomized controlled trial investigating the effect of a 'sit less, move more, sleep better' program early after stroke

BACKGROUND

Movement-related behaviours, including prolonged sedentary behaviour, physical inactivity, and poor sleep, are associated with worse functional outcomes poststroke. Addressing these co-dependent behaviours early after stroke may help to optimize recovery and improve overall quality of life for individuals with stroke.

OBJECTIVE

This study aims to determine the feasibility and effect of a 'sit less, move more, sleep better' program early after stroke on functional mobility and global disability outcomes, while also exploring imaging and behavioural markers that may influence walking recovery.

METHODS

The study is an assessor-blinded, single-center, parallel-group, randomized controlled trial to be completed within 24 months from July 12, 2023 to June 30, 2025. We will enroll 50 patients with acute ischemic stroke within 7 days from symptom onset, aged 18 years or older, and with ongoing walking goals. Demographic and stroke characteristics, including stroke risk factors, neuroimaging, and acute stroke treatments, will be determined and documented. All participants will wear an accelerometer for one week at three different time-points (baseline, 6, and 12 weeks) to assess movement-related behaviours. Following randomization, participants in the intervention arm will receive a 'sit less, move more, sleep better' program for up to 1 hour/day, 5 days/week, for 6 weeks to enhance self-efficacy for change. Participants in the control arm will receive usual inpatient and early supported stroke discharge care. The feasibility outcomes will include reach (enrolled/eligible), retention (completed/enrolled), adverse events, and program adherence. Other outcomes at 6 and 12 weeks include the modified Rankin Scale, Timed-Up and Go, movement-related behaviours, walking endurance, gait speed, cognition, stroke severity and quality of life. Mixed-effects models will assess changes in outcomes over time. Compositional associations between movement-related behaviours and outcomes will consider covariates such as imaging markers.

DISCUSSION

Adopting a whole-day approach to poststroke rehabilitation will provide valuable insights into the relationship between optimizing movement-related behaviours early after stroke and their impact on functional outcomes. Through exploring person-specific behavioural and imaging markers, this study may inform precision rehabilitation strategies, and guide clinical decision making for more tailored interventions.

TRIAL REGISTRATION

Clinical Trial registration (ClinicalTrials.gov Identifier: NCT05753761, March 3, 2023).

Effects of a tailored mat-Pilates exercise program for older adults on pain, functioning, and balance in women with chronic non-specific low back pain: a randomized controlled trial

BACKGROUND

Mat-Pilates exercise is effective for chronic non-specific low back pain (NSLBP), but its application in older women is understudied.

AIM

To examine the effects of a 10-week mat-Pilates program on pain, disability, and balance in older women with chronic NSLBP.

METHODS

Sixty-three women (≥ 65 years) with chronic NSLBP were randomly assigned to intervention (IG) or control (CG) groups. IG received individualized mat-Pilates sessions (45 min, twice weekly), while CG followed a home-based general exercise program. Primary outcomes included visual analog scale (VAS) for pain, Roland-Morris Disability Questionnaire (RMDQ), timed up-and-go (TUG), and Berg Balance Scale (BBS) at baseline, 10 weeks, and 6 months post-intervention. Repeated measures multivariate analysis of covariance (MANCOVA) was used, adjusted for exercise adherence and analgesic use.

RESULTS

IG significantly improved in VAS and RMDQ scores at 10 weeks and 6 months (p > 0.05). No significant differences were observed in TUG and BBS scores at any measurement point. No between-group differences were found in analgesic use or adherence to exercise during the 6-month follow-up.

CONCLUSIONS

A 10-week mat-Pilates program reduced pain and improved disability in older women with chronic NSLBP, effects which persisted at 6 months. However, no impact on balance, analgesic use, or exercise adherence was observed.

TRIAL REGISTRATION NUMBER/DATE OF REGISTRATION

NCT04752579/February 12, 2021.

A new instrument to assess physical function in stroke patients: the Dubousset function test and its validity, reliability, responsiveness

AIM

The Dubousset Functional Test (DFT) ia a practical four-component assessment test to assess the physical function and balance capacities. The study aimed to examine the reliability, validity, responsiveness of the DFT in stroke survivors.

METHODS

This study included a total of 57 post-stroke patients (age 60.16 ± 15.08 years). The participants were divided into two groups according to the duration of stroke (6-12 months, 12 months and more). Reliability of DFT test was evaluated with Intraclass Correlation Coefficient (ICC). The correlation between the DFT and The Timed Up and Go test (TUG), dual-task TUG, Functional Reach Test (FRT), 3-meter backward walk test (3MBWT), Tinetti Performance Oriented Mobility Assessment (POMA) was used for the validity.

RESULTS

For total post-stroke patients, ICC values were between 0.899 and 0.984 (excellent agreement). For stroke patients have 6-12 months stroke duration ICC values were between 0.831 and 0.988 (excellent agreement). For post-stroke patients have 6-12 months stroke duration ICC values were between 0.858 and 0.992 (excellent agreement). For total stroke post-patients the correlation with four component of DFT and TUG, dual-task TUG, FRT, 3MBWT and POMA was found to be statistically significant (p < 0.001).

CONCLUSION

The DFT has excellent reliability and validity in post-stroke patients. Therefore, it may be a clinically suitable test for detecting balance and physical function.

Effects of Virtual Reality Training Using Xbox Kinect on Balance, Postural Control, and Functional Independence in Subjects with Stroke

Purpose: To determine the effects of virtual reality training using Xbox Kinect on balance, postural control, and functional independence in subjects with stroke. Methods: The parallel double-blind randomized control trial was conducted on 41 individuals based on selection criteria. Participants were divided into two groups by concealed envelope method. Intervention group received exergaming by Xbox Kinect, and control group was given exercises comprising balance training, upper limb strengthening, and core strengthening. Berg balance scale (BBS), functional independence measure (FIM), trunk impairment scale (TIS), and timed up and go (TUG) were the outcome measures. Data were analyzed using SPSS v21. Results: Mean age of the participants of Xbox and exercise group were 58.6 ± 3.3 and 58.1 ± 4.3 years, respectively. Within group improvement was observed in both groups from baseline to 8 weeks postintervention; BBS: 34 ± 4.7 to 40.9 ± 4.9 in intervention group and 34.1 ± 4.4 to 38.1 ± 7.6 in control group, TUG: 25.6 ± 3.9 to 21.4 ± 3.8 and 28.6 ± 5.0 to 25.9 ± 4.7, TIS: 15.2 ± 1.8 to 19.2 ± 1.3 and 13.2 ± 1.7 to 15.3 ± 1.6 and FIM: 58.7 ± 7.7 to 52.5 ± 7.8 and 66.2 ± 7.6 to 62.6 ± 7.2 in intervention and control group, respectively. Between group improvement was observed in TUG, TIS, and FIM in experimental group with P-values 0.003, <0.001, and <0.001, respectively. Conclusions: Wii Fit improved functional mobility, independence, and trunk coordination extension in the stroke patients, whereas balance could be equally improved from Wii Fit and exercises. Trial Registration Number: ACTRN12619001688178.

Evaluation of a carepartner-integrated telehealth gait rehabilitation program for persons with stroke: study protocol for a feasibility study

BACKGROUND

Despite family carepartners of individuals post-stroke experiencing high levels of strain and reduced quality of life, stroke rehabilitation interventions rarely address carepartner well-being or offer training to support their engagement in therapeutic activities. Our group has developed creative intervention approaches to support families during stroke recovery, thereby improving physical and psychosocial outcomes for both carepartners and stroke survivors. The purpose of this study is to test the feasibility of an adapted, home-based intervention (Carepartner Collaborative Integrative Therapy for Gait-CARE-CITE-Gait) designed to facilitate positive carepartner involvement during home-based training targeting gait and mobility.

METHODS

This two-phased design will determine the feasibility of CARE-CITE-Gait, a novel intervention that leverages principles from our previous carepartner-focused upper extremity intervention. During the 4-week CARE-CITE-Gait intervention, carepartners review online video-based modules designed to illustrate strategies for an autonomy-supportive environment during functional mobility task practice, and the study team completes two 2-h home visits for dyad collaborative goal setting. In phase I, content validity, usability, and acceptability of the CARE-CITE-Gait modules will be evaluated by stroke rehabilitation content experts and carepartners. In phase II, feasibility (based on measures of recruitment, retention, intervention adherence, and safety) will be measured. Preliminary effects of the CARE-CITE-Gait will be gathered using a single-group, quasi-experimental design with repeated measures (two baseline visits 1 week apart, posttest, and 1-month follow-up) with 15 carepartner and stroke survivor dyads. Outcome data collectors will be blinded. Outcomes include psychosocial variables (family conflict surrounding stroke recovery, strain, autonomy support, and quality of life) collected from carepartners and measures of functional mobility, gait speed, stepping activity, and health-related quality of life collected from stroke survivors.

DISCUSSION

The findings of the feasibility testing and preliminary data on the effects of CARE-CITE-Gait will provide justification and information to guide a future definitive randomized clinical trial. The knowledge gained from this study will enhance our understanding of and aid the development of rehabilitation approaches that address both carepartner and stroke survivor needs during the stroke recovery process.

TRIAL REGISTRATION

ClinicalTrials.gov, NCT05257928. Registered 25 February 2022.

TRIAL STATUS

This trial was registered on ClinicalTrials.gov (NCT05257928) on March 25, 2022. Recruitment of participants was initiated on May 18, 2022.

Respiratory Parameters as Predictors of Balance and Gait Ability in Patients with Stroke at Discharge

Pulmonary complications are frequent in stroke, contributing to both mortality and morbidity rates. Respiratory parameters in such patients encompass both pulmonary function and respiratory muscle strength. Identifying respiratory function variables that influence the balance and gait ability of patients with stroke is crucial for enhancing their recovery in these aspects. However, no study has assessed predictions for a comprehensive array of balance and gait abilities in such patients. We aimed to examine whether initial respiratory muscle strength and pulmonary function can predict balance and gait ability at discharge from a rehabilitation program. Thirty-one patients with stroke were included in this prospective observational study. Multiple regression models with a forward selection procedure were employed to identify respiratory parameters (including peak expiratory flow and maximal expiratory pressure) that contributed to the results of balance assessments and gait evaluations at the time of discharge. The peak expiratory flow (PEF) served as a predictor explaining 42.0% of the variance. Similarly, the maximal expiratory pressure (MEP) was a predictor variable explaining 32.0% of the variance. PEF and MEP assessments at the initial stage as predictive factors for both balance and gait ability are important in stroke management.

A Randomized Controlled Trial to Evaluate the Impact of an Exercise Therapy Program Based on Sports in People with Acquired Brain Injury: Discover Study Protocol

INTRODUCTION

Acquired brain injury (ABI) constitutes a significant and growing global public health concern. People with ABI often face a range of physical and psychosocial challenges that span the domains of "body structure and function", "activity", and "participation", as defined by the International Classification of Functioning, Disability, and Health. Multidisciplinary approaches based on exercise therapy with social leisure activities are essential to improve physical recovery and health-related quality of life after injury.

METHODS

Adults with ABI, aged > 18 years, in the subacute or chronic stage (within more than one month after the injury) will be recruited through a rehabilitation center. Adults will be randomized to receive either a racket sports-based exercise therapy program combined with usual care (sET) or usual care alone (UC) using a random number sequence with a 1:1 allocation ratio. sET intervention consists of an 8-week exercise therapy program focusing on different racket sports skills, 1 h in duration, 2 days/week. It will be delivered by a physiotherapist in tailored, face-to-face, group-based sessions. Primary outcomes will be the health-related quality of life (SF-36) and upper extremity motor function (Fugl-Meyer Assessment-Upper Extremity Scale).

DISCUSSION

The study proposes an intervention that combines sports-based exercise therapy with usual care. It aims to determine whether this intervention improves the health-related quality of life and upper limb motor function in adults with ABI compared with usual care alone. The results of this study may have clinical implications for the rehabilitation of this population.

Floor-to-Stand Performance Among People Following Stroke

OBJECTIVES

Studies have examined floor-to-stand performance in varied adult populations both quantitatively and qualitatively. Despite an elevated risk of falls and inability to independently return to stand after a fall, few have examined the ability to stand from the floor in patients recovering from stroke. There were 2 objectives of the study: to identify the relationships between floor-to-stand performance using a timed supine-to-stand test (TSS) and physical performance measures of gait, balance, and balance confidence among persons in the subacute phase after stroke; and to analyze descriptive strategies used in the completion of the TSS.

METHODS

A cross-sectional design was implemented. Fifty-eight adults (mean age = 59.2 [standard deviation (SD) = 13.9] years; 34 [58.6%] men) who were in the subacute phase after ischemic or hemorrhagic stroke and who could stand from the floor with no more than supervision completed the TSS and physical performance assessments.

RESULTS

The median time to complete the TSS in our sample was 13.0 (interquartile range = 15.5) seconds. TSS time was significantly correlated with physical performance tests, including the Timed "Up & Go" Test (ρ = 0.70), gait speed (ρ = -0.67), Dynamic Gait Index (ρ = -0.52), and Activities-Specific Balance Confidence Scale (ρ = -0.43). Thirty-two percent of the variance in TSS time was attributed to Timed "Up & Go" Test time and the use of the quadruped position to transition to standing. Participants who used a gait device were more likely to use a chair during rise to stand.

CONCLUSION

The TSS demonstrates concurrent validity with physical performance measures.

IMPACT

Findings serve to improve functional mobility examination after stroke and to formulate effective treatment interventions to improve floor-to-stand performance.

Assessing walking ability using a robotic gait trainer: opportunities and limitations of assist-as-needed control in spinal cord injury

BACKGROUND

Walking impairments are a common consequence of neurological disorders and are assessed with clinical scores that suffer from several limitations. Robot-assisted locomotor training is becoming an established clinical practice. Besides training, these devices could be used for assessing walking ability in a controlled environment. Here, we propose an adaptive assist-as-needed (AAN) control for a treadmill-based robotic exoskeleton, the Lokomat, that reduces the support of the device (body weight support and impedance of the robotic joints) based on the ability of the patient to follow a gait pattern displayed on screen. We hypothesize that the converged values of robotic support provide valid and reliable information about individuals' walking ability.

METHODS

Fifteen participants with spinal cord injury and twelve controls used the AAN software in the Lokomat twice within a week and were assessed using clinical scores (10MWT, TUG). We used a regression method to identify the robotic measure that could provide the most relevant information about walking ability and determined the test-retest reliability. We also checked whether this result could be extrapolated to non-ambulatory and to unimpaired subjects.

RESULTS

The AAN controller could be used in patients with different injury severity levels. A linear model based on one variable (robotic knee stiffness at terminal swing) could explain 74% of the variance in the 10MWT and 61% in the TUG in ambulatory patients and showed good relative reliability but poor absolute reliability. Adding the variable 'maximum hip flexor torque' to the model increased the explained variance above 85%. This did not extend to non-ambulatory nor to able-bodied individuals, where variables related to stance phase and to push-off phase seem more relevant.

CONCLUSIONS

The novel AAN software for the Lokomat can be used to quantify the support required by a patient while performing robotic gait training. The adaptive software might enable more challenging training conditions tuned to the ability of the individuals. While the current implementation is not ready for assessment in clinical practice, we could demonstrate that this approach is safe, and it could be integrated as assist-as-needed training, rather than as assessment.

TRIAL REGISTRATION

ClinicalTrials.gov Identifier: NCT02425332.

Motor adaptation and immediate retention to overground gait-slip perturbation training in people with chronic stroke: an experimental trial with a comparison group

Background

Perturbation-based training has shown to be effective in reducing fall-risk in people with chronic stroke (PwCS). However, most evidence comes from treadmill-based stance studies, with a lack of research focusing on training overground perturbed walking and exploring the relative contributions of the paretic and non-paretic limbs. This study thus examined whether PwCS could acquire motor adaptation and demonstrate immediate retention of fall-resisting skills following bilateral overground gait-slip perturbation training.

Methods

65 PwCS were randomly assigned to either (i) a training group, that received blocks of eight non-paretic (NP-S1 to NP-S8) and paretic (P-S1 to P-S8) overground slips during walking followed by a mixed block (seven non-paretic and paretic slips each interspersed with unperturbed walking trials) (NP-S9/P-S9 to NP-S15/P-S15) or (ii) a control group, that received a single non-paretic and paretic slip in random order. The assessor and training personnel were not blinded. Immediate retention was tested for the training group after a 30-minute rest break. Primary outcomes included laboratory-induced slip outcomes (falls and balance loss) and center of mass (CoM) state stability. Secondary outcomes to understand kinematic contributors to stability included recovery strategies, limb kinematics, slipping kinematics, and recovery stride length.

Results

PwCS within the training group showed reduced falls (p < 0.01) and improved post-slip stability (p < 0.01) from the first trial to the last trial of both paretic and non-paretic slip blocks (S1 vs. S8). During the mixed block training, there was no further improvement in stability and slipping kinematics (S9 vs. S15) (p > 0.01). On comparing the first and last training trial (S1 vs. S15), post-slip stability improved on both non-paretic and paretic slips, however, pre-slip stability improved only on the non-paretic slip (p < 0.01). On the retention trials, the training group had fewer falls and greater post-slip stability than the control group on both non-paretic and paretic slips (p < 0.01). Post-slip stability on the paretic slip was lower than that on the non-paretic slip for both groups on retention trials (p < 0.01).

Conclusion

PwCS can reduce laboratory-induced slip falls and backward balance loss outcomes by adapting their post-slip CoM state stability after bilateral overground gait-slip perturbation training. Such reactive adaptations were better acquired and retained post-training in PwCS especially on the non-paretic slips than paretic slips, suggesting a need for higher dosage for paretic slips.

Clinical registry number

NCT03205527.

Neuroplastic Changes Associated With Hybrid Exercise-Cognitive Training in Stroke Survivors With Mild Cognitive Decline: A Randomized Controlled Trial

BACKGROUND

Exercise and cognitive training have been shown to induce neuroplastic changes and modulate cognitive function following stroke. However, it remains unclear whether hybridized exercise-cognitive training facilitates cortical activity and further influences cognitive function after stroke.

OBJECTIVE

The study aimed to investigate the effects of 2 hybridized exercise-cognitive trainings on neuroplastic changes and behavioral outcomes in stroke survivors with mild cognitive decline.

METHODS

This study was a single-blind randomized controlled trial. Stroke survivors were randomly assigned to 1 of 3 groups: (1) sequential exercise-cognitive training (SEQ), (2) dual-task exercise-cognitive training (DUAL), or (3) control group (CON). All groups underwent training 60 min per day, 3 days per week, for a total of 12 weeks. The primary outcome was the resting-state (RS) functional connectivity (FC) in functional magnetic resonance imaging. Secondary behavioral outcomes included cognitive and physical functions.

RESULTS

After 12 weeks of training, patients in the SEQ group (n = 21) exhibited increased RS FC between the left occipital lobe and posterior cingulate gyrus with right parietal lobe, compared to the DUAL (n = 22) and CON (n = 20) groups. Additionally, patients in the DUAL group showed increased FC of the left temporal lobe. However, changes in behavioral outcome measures were non-significant among the 3 groups (all P's > .05).

CONCLUSIONS

This study highlights the distinct neuroplastic mechanisms associated with 2 types of exercise-cognitive hybridized trainings. The pre-post functional magnetic resonance imaging measurements illustrated the time course of neural mechanisms for cognitive recovery in stroke survivors following different exercise-cognitive training approaches. Trial registration. NCT03230253.

Feasibility of challenging treadmill speed-dependent gait and perturbation-induced balance training in chronic stroke patients with low ambulation ability: a randomized controlled trial

Background

Treadmill training shows advantages in the specificity, amount, and intensity of gait and balance practice for the rehabilitation of stroke patients.

Objective

To investigate the feasibility and effectiveness of challenging treadmill speed-dependent gait and perturbation-induced balance training in chronic stroke patients with low ambulation ability.

Methods

For this randomized controlled trial (Chinese Clinical Trials.gov registration number ChiCTR-IOR-16009536) with blinded testers, we recruited 33 ambulatory stroke participants with restricted community ambulation capacity and randomly assigned them into two groups: the experimental group with 2 week treadmill speed-dependent gait training combined with 2 week treadmill perturbation-induced balance training (EXP) or the control group with traditional gait and balance training (CON). Various variables were recorded during EXP training, including the rating of perceived exertion, heart rate, causes of pauses, treadmill speed, and perturbation intensity. Outcome measures were examined before training and at 2 and 4 weeks after training. They included gait velocity during five-meter walk test at comfortable and fast speed and reactive balance ability in the compensatory stepping test as primary outcome measures, as well as dynamic balance ability (timed up-and-go test and 5 times sit-to-stand test) and balance confidence as secondary outcome measures.

Results

All participants completed the study. The treadmill speed and perturbation intensity significantly increased across training sessions in the EXP group, and no adverse effects occurred. The normal and fast gait velocities showed significant time and group interaction effects. They significantly increased after 2 and 4 weeks of training in the EXP group (p < 0.05) but not in the CON group (p > 0.05). Likewise, dynamic balance ability measured using the timed up-and-go test at a fast speed significantly improved after 2 and 4 weeks of training in the EXP group (p < 0.05) but not in the CON group (p > 0.05), although without a significant time and group interaction effect. Surprisingly, the reactive balance ability did not show improvement after treatment in the EXP group (p > 0.05).

Conclusion

Challenging treadmill speed-dependent gait and treadmill perturbation-induced balance training is feasible and effective to improve ambulation function in chronic stroke patients with low ambulation ability.

The hip joint mobilization with movement technique improves muscle activity, postural stability, functional and dynamic balance in hemiplegia secondary to chronic stroke: a blinded randomized controlled trial

BACKGROUND

People with stroke generally experience abnormal muscle activity and develop balance disorder. Based on the important role of the proximal joints of the lower extremity in balance maintenance, hip joint mobilization with movement technique can be applied to enhance normal joint arthrokinematics. Therefore, the present study aimed to investigate the effectiveness of hip joint mobilization with movement technique on stroke patients' muscle activity and balance.

METHODS

Twenty patients aged between 35 and 65 years old with chronic stroke were randomly assigned either to an experimental group (n = 10) or to a control group (n = 10). Both groups participated in a 30-minute conventional physiotherapy session 3 times per week for 4 weeks. The experimental group received an additional 30-minute's session of hip joint mobilization with movement technique on the affected limb. The muscle activity, berg balance scale, time up and go, and postural stability were measured at baseline, 1-day and 2-week follow-up by a blinded assessor.

RESULTS

The experimental group showed a significant improvement in berg balance scale, time up and go, and postural stability (p ≤ 0.05). The rectus femoris, tibialis anterior, biceps femoris, and medial gastrocnemius muscles' activations of the affected limb during static balance test markedly changed along with the biceps femoris, erector spine, rectus femoris, and tibialis anterior muscles during dynamic balance test after hip joint mobilization with movement technique. The mean onset time of rectus abdominus, erector Spine, rectus femoris, and tibialis anterior muscles activity significantly decreased in the affected limb after hip joint mobilization with movement technique compared to the control group (p ≤ 0.05).

CONCLUSIONS

The results of the present study suggest that a combination of hip joint mobilization with movement technique and conventional physiotherapy could improve muscle activity and balance among chronic stroke patients.

TRIAL REGISTRATION NUMBER

The study was registered in the Iranian Registry of Clinical Trials (No; IRCT20200613047759N1). Registration date: 2/08/2020.