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[On tremor during movement (author's transl)]

K T Kalveram

    European Journal of Applied Physiology and Occupational Physiology
    |January 14, 1977
    PubMed
    Summary

    Stretching the right forearm during tremor showed a slight decrease in frequency but an expected increase in tremor acceleration and agonist electromyography (EMA). This analysis provides insights into the biomechanics of forearm movements and muscle activity.

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    Area of Science:

    • Biomechanics
    • Neuroscience
    • Human Physiology

    Context:

    • Understanding the neuromuscular control of voluntary movements.
    • Investigating the effects of stretching on motor control and muscle activation.
    • Analyzing physiological responses during specific upper limb movements.

    Purpose:

    • To analyze the biomechanical and electromyographic changes during forearm stretching.
    • To quantify the effects of stretching on tremor characteristics and agonist muscle activity.

    Summary:

    • Forearm stretching led to a minor reduction in tremor frequency.
    • Average tremor acceleration and agonist electromyography (EMA) increased during stretching, consistent with predictions.
    • The study quantitatively assessed the relationship between stretching, tremor, and muscle activation patterns.

    Impact:

    • Provides quantitative data on the neuromuscular response to forearm stretching.
    • Contributes to the understanding of motor control mechanisms in the upper limb.
    • Informs potential therapeutic strategies for conditions involving tremor and muscle spasticity.

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