Age-related Changes in Lower Limb Muscle-group Roles in Maximum Step Length and Gait

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  • SAKURAI Yoko
    Department of Rehabilitation, Narita Tomisato Tokusyukai Hospital
  • TAKEICHI Naoya
    Department of Rehabilitation Medicine, St.Marianna University School of Medicine Hospital
  • SUGIMURA Seiichiro
    St.Marianna University School of Medicine Toyoko Hospital
  • IIJIMA Setsu
    National Rehabilitation Center for Persons with Disabilities

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Other Title
  • 最大一歩幅や歩行動作における下肢筋群の加齢に伴う役割の変化
  • サイダイ イチ ホハバ ヤ ホコウ ドウサ ニ オケル カシキングン ノ カレイ ニ トモナウ ヤクワリ ノ ヘンカ

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[Purpose] Focusing on hip flexion muscles, knee joint extension muscles and ankle plantar flexion muscles, we investigated their age-related changes in their roles in walking and maximum step length. [Subjects and Methods] Seventy-seven women were divided into four groups, a young group, a young-old group, an old-old group, and a very old group, and their physical functions and ability to do activities were investigated and compared. [Results] At maximum step length and maximum gait, significant correlations were found between the young group and the hip flexion muscle use, the young-old group and knee extension muscle use, and the old-old group with knee extension and ankle plantar flexion use, but no significant correlations were found for the very old group. [Conclusion] The results suggest that the relative contributions of muscle groups to walking and maximum step length change with age.

Journal

  • Rigakuryoho Kagaku

    Rigakuryoho Kagaku 32 (2), 171-175, 2017

    The Society of Physical Therapy Science

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