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j.gaitpost.2011.01.018.pdf | 446.04 kB | Adobe PDF | 見る/開く |
タイトル: | Immediate effects of different ankle pushoff instructions during walking exercise on hip kinematics and kinetics in individuals with total hip arthroplasty. |
著者: | Tateuchi, Hiroshige https://orcid.org/0000-0002-7429-8204 (unconfirmed) Tsukagoshi, Rui Fukumoto, Yoshihiro Oda, Shingo Ichihashi, Noriaki https://orcid.org/0000-0003-2508-2172 (unconfirmed) |
著者名の別形: | 建内, 宏重 |
キーワード: | Gait Total hip arthroplasty Walking exercise Joint power Ankle pushoff |
発行日: | Apr-2011 |
出版者: | Elsevier B.V. |
誌名: | Gait & posture |
巻: | 33 |
号: | 4 |
開始ページ: | 609 |
終了ページ: | 614 |
抄録: | Residual hip impairments, such as decreased hip muscle moment and power during walking, have been reported in patients with total hip arthroplasty (THA). Meanwhile, greater ankle power has also been reported in these patients. We investigated the interaction between hip and ankle joints during walking to determine the effects of different ankle pushoff instructions on hip biomechanics in patients with THA. Twenty-four women (age, 60.8±5.5 years) were randomly assigned to walking exercise groups with either decreased pushoff or increased pushoff. Patients in the decreased pushoff group and increased pushoff group were given the instructions "push less with your foot when you walk" and "push more with your foot when you walk, " respectively. Exercises lasted approximately 10-15min. A series of gait-related parameters were analyzed during pre-exercise, exercise, and post-exercise session. In the decreased ankle pushoff group, hip flexor power absorption and hip/ankle power ratio were higher during post-exercise than during pre-exercise. An increase in hip power from -9.8% to 32.1% was identified. The effect of increase in the hip power by the decreasing ankle pushoff was higher in the patients with greater ankle pushoff in their natural gaits. The patients in the increased ankle pushoff group showed decreased hip flexion angle and hip muscle moment and power after the walking exercise, although ankle pushoff was not increased. Walking exercise with decreased ankle pushoff may help improve the distribution of muscle power between hip flexors and ankle plantarflexors during walking in patients with THA. |
著作権等: | © 2011 Elsevier B.V. この論文は出版社版でありません。引用の際には出版社版をご確認ご利用ください。 This is not the published version. Please cite only the published version. |
URI: | http://hdl.handle.net/2433/141841 |
DOI(出版社版): | 10.1016/j.gaitpost.2011.01.018 |
PubMed ID: | 21334898 |
出現コレクション: | 学術雑誌掲載論文等 |
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