Difference in the Electromyographic Onset of the Deep and Superficial Multifidus during Shoulder Movements in Different Standing Positions in the Frontal Plane

ABIKO Teppei, SHIMAMURA Ryota, HIROSAWA Masaki, YAMAMOTO Junichiro, MAEJIMA Hirokazu, ABIKO Yoko, SOMA Masayuki, OGAWA Daisuke

doi:10.1589/rika.32.1

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Other Title

前額面における立位姿勢の違いが腰部多裂筋深層線維および浅層線維の筋反応時間に及ぼす影響
前額面における立位姿勢の違いが腰部多裂筋深層線維および浅層線維の筋反応時間に及ぼす影響 : ワイヤ筋電図を用いた筋反応時間分析
ゼンガクメンニオケルタチイシセイノチガイガヨウブタレツキンシンソウセンイオヨビセンソウセンイノキンハンノウジカンニオヨボスエイキョウ : ワイヤキンデンズオモチイタキンハンノウジカンブンセキ
—ワイヤ筋電図を用いた筋反応時間分析—

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[Purpose] The present study examined the electromyographic onset of the lumbar multifidus during shoulder flexion and extension and investigated the influence of standing position with different pelvic alignments in the frontal plane before arm movement. [Subjects and Methods] Intramuscular and surface electrodes recorded the electromyographic onset of the deep fibers of the lumbar multifidus (DM), and the superficial fibers of the multifidus (SM), anterior deltoid and posterior deltoid. Nine healthy participants performed rapid, unilateral shoulder flexion in response to audio stimuli in three standing positions: quiet standing, left pelvis dropped position, and left pelvis raised position. [Results] Repeated two-way analysis of variance found that the main effect of the standing position was significant when shoulder flexion was performed. No interaction was detected between standing position and muscles. [Conclusion] These results suggest that the electromyographic onsets of DM and SM are influenced by standing position with different pelvic alignments in the frontal position.

Journal

Rigakuryoho Kagaku

Rigakuryoho Kagaku 32 (1), 1-6, 2017

The Society of Physical Therapy Science

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