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Related Experiment Videos

Volition following hemiplegia

S K Shah, J Corones

    Archives of Physical Medicine and Rehabilitation
    |November 1, 1980
    PubMed
    Summary
    This summary is machine-generated.

    This study assessed voluntary motor control in 100 stroke patients with hemiplegia. Forearm supination and arm usage spontaneity significantly predicted motor function, while grasping was least affected, and coin dropping most difficult.

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    Area of Science:

    • Neuroscience
    • Rehabilitation Medicine
    • Clinical Neurology

    Background:

    • Stroke, or cerebrovascular accident (CVA), frequently results in hemiplegia, impacting upper extremity function.
    • Sensory-motor deficits significantly impair daily activities for stroke survivors.
    • Understanding voluntary motor control is crucial for effective rehabilitation strategies.

    Purpose of the Study:

    • To assess voluntary control and motor deficits in the upper extremity of patients post-stroke.
    • To investigate the interrelationship between voluntary motion components and other clinical manifestations.
    • To identify key predictors of upper extremity functional recovery after hemiplegia.

    Main Methods:

    • A 3-year longitudinal study involving 100 adult patients with hemiplegia following a cerebrovascular accident.

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  • Assessment of voluntary control, disturbances in voluntary motion, and related clinical factors.
  • Utilized Kendall rank order correlations to analyze interrelationships between motor components.

    • Main Results:

    • Forearm supination and spontaneity of arm usage were significant predictors of synergistic motor components.
    • Grasping an object was the least affected isolated muscle function, while dropping a coin was the most difficult.
    • Limitations in active and passive range of motion in the shoulder, elbow, wrist, and hand were primary causes of voluntary motion inability.

    Conclusions:

    • Specific voluntary motor control elements, like forearm supination, are key indicators of upper extremity function post-stroke.
    • Functional tasks vary in difficulty, with fine motor tasks like coin dropping presenting greater challenges.
    • Restoration of active and passive range of motion is fundamental for improving voluntary upper extremity movement in hemiplegic patients.