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動作の切り替えにおける動作前Silent Periodと末梢神経伝導速度の関連性


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Title: 動作の切り替えにおける動作前Silent Periodと末梢神経伝導速度の関連性
Other Titles: Relation between Premotion Silent Period and Motor Nerve Conduction Velocity at Change of Motion
Authors: 小原, 達朗 / 白石, 恵
Authors (alternative): Obara, Tatsuro / Shiraishi, Megumi
Issue Date: 28-Feb-1991
Publisher: 長崎大学教育学部
Citation: 長崎大学教育学部自然科学研究報告. vol.44, p.77-84; 1991
Abstract: The onset of premotion silent period (PSP) that go ahead of synchronous discharge at change from tonic motion to dynamic motion was studied in relation to motor nerve conduction velocity (MCV). The aim of study made it clear that PSP emerge from which central or peripheral nervous system. The summary of results as follows. 1. The rate of PSP emergency were 55% on M.biceps brachii and 33% on M.rectus femoris. The mean endurance time of PSP were 62.29±22.75mesc on M. biceps brachii and 49.48±16.67msec on M.rectus femoris. The stability of endurance time and frequency of PSP emergency correspond to the factor of exercise efficiency and agility. 2. The incomplete PSP was confirmed in addition to the complete PSP. 3. It was suggested that disappearance time of muscle discherge originated in central factors. But, it was considerded that the total reaction time from sound stimulation to the start of dynamic discherge contained the centripetal conduction track of peripheral factors. 4. It was suggested that the peripheral factors of efferent track were excluded at the onset of PSP.
URI: http://hdl.handle.net/10069/32332
ISSN: 0386443X
Type: Departmental Bulletin Paper
Text Version: publisher
Appears in Collections:No. 44

Citable URI : http://hdl.handle.net/10069/32332

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