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Results: As a result, subjects with a lower SDMT score had significantly increased quadriceps activity before and after ground contact and decreased CCR only after ground contact. Conclusion: In the lower SDMT score group, the quadriceps showed stronger muscle activity than the hamstring during an unanticipated side-step cutting motion. This dominant quadriceps muscle activity has been reported to increase the load on the ACL, and there was a possibility of increasing the risk of the ACL injury. 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The influence of differences in neurocognitive function on lower limb kinematics, kinetics, and muscle activity during an unanticipated cutting motion
http://hdl.handle.net/2241/00157890
http://hdl.handle.net/2241/0015789037efbea0-f9f6-4c68-9c97-628a61472891
名前 / ファイル | ライセンス | アクション |
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PTR_21-2 (387.5 kB)
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Item type | Journal Article(1) | |||||||||||
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公開日 | 2019-10-18 | |||||||||||
タイトル | ||||||||||||
タイトル | The influence of differences in neurocognitive function on lower limb kinematics, kinetics, and muscle activity during an unanticipated cutting motion | |||||||||||
言語 | ||||||||||||
言語 | eng | |||||||||||
資源タイプ | ||||||||||||
資源 | http://purl.org/coar/resource_type/c_6501 | |||||||||||
タイプ | journal article | |||||||||||
著者 |
竹村, 雅裕
× 竹村, 雅裕
WEKO
204494
× 宮川, 俊平× SHIBATA, Satoshi |
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抄録 | ||||||||||||
内容記述タイプ | Abstract | |||||||||||
内容記述 | Background: Neurocognitive function may be a risk factor for anterior cruciate ligament (ACL) injury by changing neuromuscular control such as muscle activities. However, the effect of differences in neurocognitive function on biomechanics and neuromuscular control related to ACL injury risk is not clear. The purpose of this study was to examine the effect of differences in neurocognitive function on biomechanics and neuromuscular control during an unanticipated side-step cutting motion. Method: The subjects were 15 collegiate female athletes who were divided into two groups using the Symbol Digit Modalities Test (SDMT). The experimental task was an unanticipated side-step cutting motion from a 30 cm high box. We calculated joint angles and moments using a 3-dimensional motion analysis system from the dominant leg, and measured muscle activities using a surface electromyography. We calculated the co-contraction ratio (CCR) as relative muscle activity of the quadriceps to the hamstring. Results: As a result, subjects with a lower SDMT score had significantly increased quadriceps activity before and after ground contact and decreased CCR only after ground contact. Conclusion: In the lower SDMT score group, the quadriceps showed stronger muscle activity than the hamstring during an unanticipated side-step cutting motion. This dominant quadriceps muscle activity has been reported to increase the load on the ACL, and there was a possibility of increasing the risk of the ACL injury. Considering these factors, subjects with lower neurocognitive function could have a high risk of ACL injury due to alterations in muscle activities surrounding the knee. | |||||||||||
書誌情報 |
Physical therapy research 巻 21, 号 2, p. 44-52, 発行日 2018-12 |
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収録物識別子タイプ | ISSN | |||||||||||
収録物識別子 | 2189-8448 | |||||||||||
PubMed番号 | ||||||||||||
識別子タイプ | PMID | |||||||||||
関連識別子 | 30697509 | |||||||||||
DOI | ||||||||||||
識別子タイプ | DOI | |||||||||||
関連識別子 | 10.1298/ptr.E9938 | |||||||||||
著者版フラグ | ||||||||||||
値 | publisher | |||||||||||
出版者 | ||||||||||||
出版者 | Japanese Physical Therapy Association | |||||||||||
出版者別名 | ||||||||||||
出版者 | 日本理学療法士協会 |