Effect of Ankle Motion and Tensile Stress at the Achilles Tendon on the Contact Pressure Between the Achilles Tendon and the Calcaneus.

• Material Type: 博士論文
• ISSN: 1067-2516
• Title: Effect of Ankle Motion and Tensile Stress at the Achilles Tendon on the Contact Pressure Between the Achilles Tendon and the Calcaneus.
• Volume: 60 4
• Author/Editor: Matsui, Tomohiro; Kumai, Tsukasa; Kamijo, Satoshi; Shinohara, Yasushi; Kurokawa, Hiroaki; Taniguchi, Akira; Mahakkanukrauh, Pasuk; Tanaka, Yasuhito
• Author Heading: Matsui, Tomohiro; Kumai, Tsukasa; Kamijo, Satoshi; Shinohara, Yasushi; Kurokawa, Hiroaki; Taniguchi, Akira; Mahakkanukrauh, Pasuk; Tanaka, Yasuhito
• Publication, Distribution, etc.: Elsevier
• Publication Date: 2021-07; 60 4
• Publication Date (W3CDTF): 2021-07
• Alternative Title: 足関節運動とアキレス腱の緊張がアキレス腱と踵骨間の接触圧に与える影響
• Periodical title: The Journal of foot and ankle surgery
• Degree grantor/type: 奈良県立医科大学
• Date Granted: 2021-12-21
• Date Granted (W3CDTF): 2021-12-21
• Dissertation Number: 甲第806号
• Degree Type: 博士（医学）
• Conferring No. (Dissertation): 甲第806号
• Text Language Code: eng
• Subject Heading: biomechanics; Hagland's deformity; impingement; insertional Achilles tendinopathy; tendon insertion
• Target Audience: 一般
• Note (General): type:Thesis; Impingement between the Achilles tendon and the posterosuperior prominence of the calcaneus is considered to be a cause of insertional Achilles tendinopathy. The corresponding treatment intends to reduce tensile stress from calf muscles and avoid hyper-dorsiflexion of the ankle joint for decreasing the contact pressure; however, no study has reported on whether these treatments can decrease impingement. Thus, this study investigated the hypothesis that the tensile stress of the Achilles tendon and ankle motion affect the contact pressure between the Achilles tendon and the posterosuperior prominence of the calcaneus. Six fresh-frozen cadaveric lower leg specimens were procured. Each specimen was set to a custom foot-loading frame and loaded with a ground reaction force of 40 N and a tensile load of 70 N along the Achilles tendon. The contact pressure between the Achilles tendon and the posterosuperior prominence of the calcaneus was measured using a miniature pressure sensor under different tensile loadings of the Achilles tendon at the neutral ankle position. Similarly, the contact pressures during the ankle motion from a neutral position to maximum dorsiflexion were measured. The tensile load of the Achilles tendon and ankle motion affected the contact pressure between the Achilles tendon and the posterosuperior prominence of the calcaneus. The contact pressure increased with tensile load or ankle dorsiflexion. Conditions with increasing the tensile load of the Achilles tendon or under ankle dorsiflexion increase the contact pressure between the Achilles tendon and the posterosuperior prominence of the calcaneus.; 博士（医学）・甲第806号・令和3年12月21日; Copyright © 2021 the American College of Foot and Ankle Surgeons. Published by Elsevier Inc. All rights reserved.; identifier:The Journal of foot and ankle surgery Vol.60 No.4 p.753-756 (2021 Jul-Aug); identifier:10672516; identifier:http://ginmu.naramed-u.ac.jp/dspace/handle/10564/3955; identifier:The Journal of foot and ankle surgery, 60(4): 753-756
• DOI: info:doi/10.1053/j.jfas.2021.02.008; https://doi.org/info:doi/10.1053/j.jfas.2021.02.008
• Persistent ID (NDL): info:ndljp/pid/12219038; https://dl.ndl.go.jp/pid/12219038
• Collection: 障害者向け資料
• Collection (Materials For Handicapped People:1): テキストデータ
• Collection (particular): 国立国会図書館デジタルコレクション > デジタル化資料 > 博士論文; https://dl.ndl.go.jp/collections/A00014
• Acquisition Basis: 博士論文（自動収集）
• Date Accepted (W3CDTF): 2022-04-04T15:10:33+09:00
• Format (IMT): application/pdf
• Access Restrictions: 国立国会図書館内限定公開
• Service for the Digitized Contents Transmission Service: 図書館・個人送信対象外
• Availability of remote photoduplication service: 可
• Periodical Title (URI): http://hdl.handle.net/10564/3955
• Data Provider (Database): 国立国会図書館 : 国立国会図書館デジタルコレクション; https://dl.ndl.go.jp

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