Stroke Clinical Trial
Official title:
Effects of Sit-to-stand Training With Interactive Feedback on Muscle Contraction Sequences and Weight Bearing Symmetry in Individuals With Chronic Stroke
The major problems of people with chronic stroke include muscle weakness, sensory alteration, and inter-muscular coordination impairment. Inter-muscular coordination impairment caused altered muscle contraction sequences and weight-bearing asymmetry during functional activities. Sit-to-stand (STS) training is often used to improve functional activities among post-stroke subjects. However, the improvement may come from compensatory movements. Using compensatory movement may cause muscle weakness in the affected side and increase fall risk. This study will develop a novel STS training system with interactive visual and audio feedback emphasizing weight transferring and weight bearing. The present study aims to investigate the effects of sit-to-stand training with interactive visual and audio feedback on muscle contraction sequences and weight bearing symmetry in individuals with chronic stroke.
Status | Not yet recruiting |
Enrollment | 20 |
Est. completion date | June 30, 2024 |
Est. primary completion date | June 30, 2024 |
Accepts healthy volunteers | No |
Gender | All |
Age group | 20 Years to 80 Years |
Eligibility | Inclusion Criteria: - Diagnosis of stroke = 6 months - Mini-mental state examination (MMSE) = 24 points - Brunnstrom lower limb recovery stage: = stage 3 - Be able to independently perform STS for at least 10 times - Single STS >1.7 seconds - Be able to walk =10 meters independently Exclusion Criteria: - Any other musculoskeletal, neurological and cardiovascular diseases - Have visual or language impairments |
Country | Name | City | State |
---|---|---|---|
Taiwan | National Yang Ming Chiao Tung University | Taipei |
Lead Sponsor | Collaborator |
---|---|
National Yang Ming University |
Taiwan,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Sit to stand performance: change in onset time of muscle contraction sequences | Use the surface electromyography to evaluate the "onset" time (% MT, EMG activities = 2 SD of the baseline for =100 ms) of different muscles recruited during sit to stand (rectus femoris, biceps femoris, gluteus maximus, tibialis anterior, gastrocnemius, and soleus) | 5 minutes, Change from baseline onset time at 3-week post-test | |
Primary | Sit to stand performance: change in peak force time of muscle contraction sequences | Use the surface electromyography to evaluate the "peak force" time (% MT, maximal EMG activities) of different muscles recruited during sit to stand (rectus femoris, biceps femoris, gluteus maximus, tibialis anterior, gastrocnemius, and soleus) | 5 minutes, Change from baseline peak force time at 3-week post-test | |
Primary | Sit to stand performance: change in offset time of muscle contraction sequences | Use the surface electromyography to evaluate the "offset" time (% MT, EMG activities < 2 SD of the baseline for =100 ms) of different muscles recruited during sit to stand (rectus femoris, biceps femoris, gluteus maximus, tibialis anterior, gastrocnemius, and soleus) | 5 minutes, Change from baseline offset time at 3-week post-test | |
Primary | Sit to stand performance: change in weight bearing symmetry | Use the force plates to evaluate the "cumulative vertical force " (% of body weight), and calculate with the "asymmetry ratio" = |1-affected side/less affected side| | 5 minutes, Change from baseline weight bearing symmetry at 3-week post-test | |
Primary | Sit to stand performance: change in COP sway pathway | Use the force plates to evaluate the total length (cm) of the moving pathway of the overall center of pressure in X or Y axis individually | 5 minutes, Change from baseline COP sway pathway at 3-week post-test | |
Secondary | Sit to stand performance: change in sit to stand duration | Use the surface electromyography to evaluate the "movement time" (MT, sec), using the "offset time of the last activated muscle" - "onset time of the first activated muscle" | 5 minutes, Change from baseline sit to stand duration at 3-week post-test | |
Secondary | Gait performance: change in symmetry of gait speed | Use the GAITRite® system to evaluate gait speed (m/s) in comfortable speed (with/ without assisted device), and calculate with the "asymmetry ratio" = |1-affected side/less affected side| | 5 minutes, Change from baseline symmetry of gait speed at 3-week post-test | |
Secondary | Gait performance: change in symmetry of step length | Use the GAITRite® system to evaluate step length (m) in comfortable speed (with/ without assisted device), and calculate with the "asymmetry ratio" = |1-affected side/less affected side| | 5 minutes, Change from baseline symmetry of step length at 3-week post-test | |
Secondary | Gait performance: change in symmetry of step time | Use the GAITRite® system to evaluate step time (sec) in comfortable speed (with/ without assisted device), and calculate with the "asymmetry ratio" = |1-affected side/less affected side| | 5 minutes, Change from baseline symmetry of step time at 3-week post-test |
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