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Journal of the Korean Academy of Rehabilitation Medicine 1993;17(1):95-99.
Functional electrocal stimulation:the effect of stimulating frequency.
Jeong, Ho Joong , Kweon, Do Cheol , Park, In Sun
Department of Rehabilitation Medicine, Pusan Paik Hospital, Inje University College of Medicine
Functional Electrical Stimulation (FES) 시 자극 주파수 차이에 따른 근육의 반응 효과에 대한 연구
정호중, 권도철, 박인선
인제대학교 의과대학 재활의학교실

Currently, a major factor limiting the widespread clincal application of functional electrical stimulation is rapid muscle fatigue which accompanies its use. This study compared the both stimulating frequencies, 25 Hz and 50 Hz, on the rate of muscle fatigue of dorsiflexor muscles of the human ankle. We found that higher-frequency stimuli (50 Hz) will fatigue more rapidly than the lower-frequency (25 Hz), when using surface electrodes for functional electrical stimulation (FES). Rapid muscle fatigue during higher-frequency electrical stimulation may be due to a impaired excitability of the muscle-fiber membrane.

Thus, the lower-frequency functional electrical stimuli may provide significant advantages than high-frequency functional electrical stimuli for decreasing rapid muscle fatigue.

Key Words: FES, Muscle fatigue, Stimulating frequency


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