Association of upper limb motor function with muscle tone changes and quality of life in the subacute phase after stroke: a prospective cohort study - Report - MDSpire
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Association of upper limb motor function with muscle tone changes and quality of life in the subacute phase after stroke: a prospective cohort study
Linking Upper Limb Motor Recovery to Muscle Tone Variations and Quality of Life
Overview
This study investigates the relationship between muscle tone changes, upper limb motor function, and quality of life in patients during subacute stroke rehabilitation. Findings indicate that most muscle tone changes do not significantly correlate with improvements in motor function or quality of life.
Background
Stroke remains a leading cause of death and long-term disability globally, with motor function impairment affecting approximately 77% of stroke survivors. Effective rehabilitation is crucial for restoring motor performance, particularly in the upper limb, where paresis and spasticity are common challenges. Understanding the relationship between muscle tone and recovery outcomes is essential for optimizing rehabilitation strategies.
Data Highlights
No significant associations were found between muscle tone changes and upper limb motor function or quality of life, except for isolated weak correlations.
Key Findings
Only weak negative correlations were observed between changes in Fugl-Meyer Assessment scores and relaxation time of the flexor digitorum superficialis muscle.
Negative correlation between changes in Fugl-Meyer Assessment scores and the logarithmic decrement of wrist flexor muscles.
Changes in the Box and Blocks Test correlated negatively with changes in the creep parameter of the latissimus dorsi muscle.
Upper limb motor recovery may occur independently of muscle tone changes.
Quality of life is more closely associated with upper limb motor recovery than muscle tone.
Clinical Implications
Rehabilitation efforts should focus on enhancing motor control and functional performance rather than primarily targeting muscle tone reduction. This approach may lead to better outcomes in upper limb recovery and quality of life for stroke patients.
Conclusion
The study suggests that upper limb motor recovery is largely independent of muscle tone changes, highlighting the need for rehabilitation strategies that prioritize functional performance.
