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Journal of the Korean Academy of Rehabilitation Medicine 1989;13(2):18.
The Relationship between Compound Muscle Action Potentials and Forces in Upper Extremety
Tai Ryoon Han, M.D. , Kyung Mu Lee, M.D.
Department of Rehabilitation Medicine, College of Medicine, Seoul National University
상지의 복합근활동전위와 근력과의 관계
한태륜, 이경무
서울대학교 의과대학 재활의학교실

We surveyed the relationship between the compound muscle action potentials and forces in upper extremity. The motor nerve conduction velocities, pinch power and integrated EMG values were obtained. Correlation analysis was done between the values measured.

The results were as follows:

1) Near linear correlation exists between grip strength and IEMG of ADQ in gripping

2) High correlation exists between tip pinch power and IEMG of APB in pinching

3) Significant correlation exists between grip strength and CMAP area of ulnar nerve

4) No definite correlation exists between valiables of NCS and IEMG in normal subjects

Key Words: Compound muscle action potential, Force


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