A case of dysfunction of the oblique fibers of the infraspinatus muscle causing limb pain during movement of the upper limb in the forward and upward direction

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  • Kadota Misaki
    Department of Rehabilitation, Fushimi Okamoto Hospital
  • Miura Yuichiro
    Department of Rehabilitation, Fushimi Okamoto Hospital
  • Fukushima Hideaki
    Department of Rehabilitation, Fushimi Okamoto Hospital
  • Kamimura Takuya
    Department of Rehabilitation, Fushimi Okamoto Hospital
  • Nagasaki Susumu
    Department of Rehabilitation, Fushimi Okamoto Hospital
  • Tobita Yuki
    Department of Rehabilitation, Fushimi Okamoto Hospital
  • Saito Masazumi
    Department of Orthopaedics, Graduate School of Medical Science, Kyoto Prefectural University of Medicine
  • Kida Yoshikazu
    Department of Orthopaedics, Graduate School of Medical Science, Kyoto Prefectural University of Medicine

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Other Title
  • 棘下筋斜走線維の機能低下が前上方リーチ動作時に上肢痛を引き起こした一症例
  • キョクカキン シャソウ センイ ノ キノウ テイカ ガ ゼン ジョウホウ リーチ ドウサジ ニ ジョウシツウ オ ヒキオコシタ イチ ショウレイ

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<p>Physiotherapy was performed in a patient with frozen shoulder who suffered from pain of the entire upper limb whenever he moved the limb in the forward and upwards direction. In an extended position, supination movements of the forearm caused excessive muscle activity in the upper limb. This resulted in pain due to the dysfunction of the oblique fibers of the infraspinatus muscle. Maintaining the upper limb in the extended (forward and upward) position required that the shoulder joint be kept in a neutral position (for internal and external rotation) because the oblique fibers of the infraspinatus muscle were damaged. Therefore, dynamic evaluation of each of the fibers of the infraspinatus muscle is important for determining appropriate physical therapy targeting the movement of the upper limb in the forward and upward direction.</p>

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