アブストラクト
Japanese
| Title | 女子トップアスリートのACL損傷の受傷要因の解明 - 疲労がジャンプ着地動作の姿勢制御能力に与える影響 - |
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| Subtitle | 投稿 原著 |
| Authors | 神谷阿久里*1, 原邦夫*1, 吉田昌平*2, 藤井雄太*3, 渥美覚*1, 菅寛之*4, 新井祐志*5, 久保俊一*3 |
| Authors (kana) | |
| Organization | *1京都鞍馬口医療センター整形外科, *2京都地域医療学際研究所がくさい病院リハビリテーション部, *3京都府立医科大学大学院医学研究科運動器機能再生外科学, *4京都地域医療学際研究所がくさい病院整形外科, *5京都府立医科大学大学院医学研究科スポーツ・障がい者スポーツ医学 |
| Journal | 日本臨床スポーツ医学会誌 |
| Volume | 27 |
| Number | 3 |
| Page | 496-504 |
| Year/Month | 2019 / |
| Article | 原著 |
| Publisher | 日本臨床スポーツ医学会 |
| Abstract | 「要旨」着地前からの姿勢制御能力が十分備わっていると考えられるトップアスリートでも疲労が原因で姿勢制御能力が低下することで着地時に不良姿勢をとり, 非接触型の前十字靭帯(ACL)損傷を受傷する可能性に着目した. 対象は本邦のプロ女子サッカー選手23名とした. drop vertical jump(DVJ)を動作課題とし, 前額面と矢状面からデジタルカメラでハイスピード撮影を行った. まず負荷前にDVJを3試技行い, 次に自転車エルゴメーターで全力ペダリングを8回行い, 疲労を誘発した. その後にDVJを3試技行った. 負荷前後には血中乳酸測定を行い, 疲労の評価とした. 負荷前後の膝関節外反・股関節屈曲・膝関節屈曲・足関節背屈角度を3試技の平均値で比較した. また, 負荷前後の着地時の姿勢も観察した. 全ての選手で乳酸値は有意に上昇していた. 右膝関節外反角度は有意に上昇し, 股関節屈曲・足関節背屈角度は有意に減少していた. 膝関節屈曲角度に有意差はなかった. また, 着地時不良姿勢となった選手は, 負荷前では18%, 負荷後には78%となった. 全身的な負荷運動により筋疲労が生じ, 不良姿勢をとったと考えられ, 非接触型のACL損傷を予防するには, 姿勢制御を可能にするための筋持久力の向上も重要である. |
| Practice | 臨床医学：外科系 |
| Keywords | anterior cruciate ligament injury, fatigue, postural control, ACL損傷, 疲労, 姿勢制御能力 |
English
| Title | Investigation of anterior cruciate ligament injury in female athletes - Effect of fatigue on postural control during jump landing - |
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| Subtitle | |
| Authors | Kamitani, A.*1, Hara, K.*1, Yoshida, S.*2, Fujii, Y.*3, Atsumi, S.*1, Kan, H.*4, Arai, Y.*5, Kubo, T.*3 |
| Authors (kana) | |
| Organization | *1Department of Orthopaedics, Japan Community Health care Organization Kyoto Kuramaguchi Medical Center, *2Department of Rehabilitation, Kyoto Interdisciplinary Institute Hospital of Community Medicine, *3Department of Orthopaedics, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, *4Department of Orthopaedics, Kyoto Interdisciplinary Institute Hospital of Community Medicine, *5Department of Sports and Para-Sport Medicine, Graduate School of Medical Science, Kyoto Prefectural University of Medicine |
| Journal | Japanese Journal of Clinical Sports Medicine |
| Volume | 27 |
| Number | 3 |
| Page | 496-504 |
| Year/Month | 2019 / |
| Article | Original article |
| Publisher | Japanese Society of Clinical Sports Medicine |
| Abstract | [Abstract] Background: Elite athletes usually show stable postural control, but they sometimes cannot control their posture after high-load training; and consequently, some experience anterior cruciate ligament injury. We investigated the effect of fatigue on the risk of such injuries. Method: The subjects, 23 elite female football players, performed drop vertical jumps (DVJ), which were documented by video footage taken from the front and the left side. They first performed 3×DVJ, then pedaled an ergometer 8 times with full force for 10 sec each, and then repeated 3×DVJ. We measured and compared their pre- and post-pedaling blood lactate levels, and their pre- and post-pedaling DVJ knee abduction angle, hip flexion angle, knee flexion angle, and ankle dorsiflexion angle. Results: The blood lactate and right knee abduction angle significantly increased, while the hip flexion angle and ankle dorsiflexion angle significantly decreased between the two measurements. There were no significant differences in the knee flexion angle. The number of athletes who could not maintain a good posture increased from 18% before pedaling to 78% after pedaling. Conclusion: Elite athletes may lose postural control after repeated physical exercise involving high-load motion. We recommend such athletes to enhance their muscular endurance. |
| Practice | Clinical surgery |
| Keywords | anterior cruciate ligament injury, fatigue, postural control |
- 全文ダウンロード： 従量制、基本料金制の方共に770円(税込) です。
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