FORCE OUTPUT IN MUSCLE FIBERS DURING REPETITIVE STIMULATION IN HUMANS(Proceedings of The 8^<th> Asian Federation of Sports Medicine Congress 2005 Tokyo)

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概要

• 論文の詳細を見る

• The evoked force was observed during repetitive electrical stimulation for 3 min on m. vastus medialis. The stimulus frequency was 0.2Hz, 10Hz and 20Hz. The time to peak of twitch was 90.8ms at 0.2Hz stimulation. The changes in the evoked force did not represent a constant or a monotonic pattern but were complex at 10Hz and 20Hz stimulations. At 10Hz the evoked force represented an initial transient increment (steep peak), then an abrupt decrement followed by a gradual increase (gentle peak) and then a gradual decrease. At 20Hz the steep phase did not appeared. The magnitude of potentiation was not necessarily large at 20Hz. These results suggest that a constant discharge rate of motor units cannot maintain constant force development, and "rate coding" is considered to be necessary for keeping a constant force.

• 日本体力医学会の論文
• 2006-10-01

著者

• Kamo Mifuyu

  Laboratory of Exercise Physiology, Faculty of Physical Education, Japan Women's College of Physical

• Kamo Mifuyu

  Laboratory Of Exercise Physiology Faculty Of Physical Education Japan Women's College Of Physic

• Kamo Mifuyu

  Laboratory Of Exercise Physiology Japan Women's College Of Physical Education

• MORIMOTO SHIGERU

  Laboratory of Applied Physiology, Yokohama National University

• Morimoto Shigeru

  Laboratory Of Applied Physiology Yokohama National University

関連論文

• Perceived Exertion is Not Necessarily Associated with Altered Brain Activity during Exercise
• FORCE OUTPUT IN MUSCLE FIBERS DURING REPETITIVE STIMULATION IN HUMANS(Proceedings of The 8^ Asian Federation of Sports Medicine Congress 2005 Tokyo)

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