Role of the Adductor Magnus Viewed from Its Hip Extension Torque Characteristics in Different Hip Joint Postures

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  • TAKIZAWA Megumi
    Department of Physical Therapy, Ibaraki Prefectural University of Health Sciences
  • SUZUKI Yuta
    Research Center for Urban Health and Sports, Osaka City University
  • KOBAYASHI Yasuto
    Department of Sport Management, Faculty of Business and Public Administration, Sakushin Gakuin University

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Other Title
  • 股関節肢位の変化に対して大内転筋が発揮する股関節伸展トルクの特徴からみた役割
  • コカンセツシイ ノ ヘンカ ニ タイシテ ダイナイテナキン ガ ハッキ スル コカンセツ シンテン トルク ノ トクチョウ カラ ミタ ヤクワリ

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Abstract

[Purpose] To examine the role of the adductor magnus in terms of extension torque characteristics during squats with the hip joint in different positions. [Subjects and Methods] One healthy man performed a normal squat (NS), with the hips in the mid-position for both abduction and rotation, and a sumo squat (SS), with the hips abducted and externally rotated. Extension torques generated by the adductor magnus and hip extensors were compared between the two hip configurations through estimates made using a musculoskeletal model. [Results] The adductor magnus, gluteus maximus, and long head of the biceps femoris produced greater torques than the semimembranosus and semitendinosus during both NS and SS. [Conclusion] Regardless of hip position in the frontal and horizontal planes, the adductor magnus appears to have the role of an antigravity muscle for movements made in a crouching posture.

Journal

  • Rigakuryoho Kagaku

    Rigakuryoho Kagaku 33 (1), 127-132, 2018

    The Society of Physical Therapy Science

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