Activity of the Quadratus Lumborum and Trunk Muscles Relates to Pelvic Tilt Angle during Pelvic Tilt Exercises

Tomoki Oshikawa, Gen Adachi, Hiroshi Akuzawa, Yu Okubo, Koji Kaneoka*

*この研究の対応する著者

研究成果: Article査読

2 被引用数 (Scopus)

抄録

Objective Pelvic tilt exercises are used clinically to correct lumbopelvic alignment. The anterior and posterior layers of the quadratus lumborum are important for pelvic motor control in the coronal plane. This study aimed to evaluate whether the anterior and posterior activity is related to the pelvic tilt angle during pelvic tilt exercises. Design The study design was single-occasion repeated measures in a randomized manner. Twelve healthy men performed the four directions of the pelvic tilt exercises (anterior or posterior pelvic tilt and lateral pelvic elevation on the ipsilateral or contralateral measurement side). The electromyographies of the anterior and posterior were recorded using intramuscular fine-wire electrodes and normalized to isometric peak electromyography. Results The activity of the anterior and posterior during lateral pelvic elevation on the ipsilateral measurement side (19.0 ± 16.0 percent of maximal voluntary isometric contraction) was significantly higher than that during other directions of the pelvic tilt exercises (P < 0.01). There was a significant positive correlation between the anterior activity and the maximum change angles of pelvic tilt during lateral pelvic elevation on the ipsilateral measurement side (r = 0.674, P = 0.016). Conclusions The anterior activity was related to a large lateral pelvic elevation angle on the ipsilateral side during pelvic tilt exercises.

本文言語English
ページ(範囲)1109-1115
ページ数7
ジャーナルAmerican Journal of Physical Medicine and Rehabilitation
99
12
DOI
出版ステータスPublished - 2020 12

ASJC Scopus subject areas

  • 理学療法、スポーツ療法とリハビリテーション
  • リハビリテーション

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