Anterior－Posterior Center of Pressure Is Associated With Knee Extensor Moment During Landing After Anterior Cruciate Ligament Reconstruction

千々松, 雅人

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Anterior－Posterior Center of Pressure Is Associated With Knee Extensor Moment During Landing After Anterior Cruciate Ligament Reconstruction

http://hdl.handle.net/10129/0002000732

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リポジトリ登録用アイテムタイプ（シンプル）(1)

公開日

2025-01-10

タイトル

Anterior－Posterior Center of Pressure Is Associated With Knee Extensor Moment During Landing After Anterior Cruciate Ligament Reconstruction

言語

eng

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http://purl.org/coar/resource_type/c_db06

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doctoral thesis

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open access

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http://purl.org/coar/access_right/c_abf2

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千々松, 雅人

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Abstract

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Context: A reduced knee extensor moment (KEM) in the involved limb and asymmetry in the KEM during landing tasks are observed after anterior cruciate ligament reconstruction (ACLR). There is limited information about the association of kinetic and kinematic parameters with the KEM during landing after ACLR. This study investigated the association of the anterior-posterior center of pressure (AP-COP) position, vertical ground reaction force (VGRF), and lower limb joint angles with the KEM during landing in female athletes following ACLR.
Design: Cross-sectional study.
Methods: Twenty-two female athletes who underwent ACLR performed a drop vertical jump at 7.9 (1.7) months after surgery. We evaluated the KEM, AP-COP position, VGRF, and sagittal plane hip, knee, and ankle angles using a 3-dimensional motion analysis system with force plates.
Results: The peak KEM in the involved limb was significantly smaller than that in the uninvolved limb during landing (1.43 [0.33] N·m/kg/m vs 1.84 [0.41] Nm/kg/m, P = .001). The VGRF in the involved limb was significantly smaller than that in the uninvolved limb (11.9 [2.3] N/kg vs 14.6 [3.5] N/kg, P = .005). The limb symmetry index of the KEM was predicted by that of the VGRF (P < .001, R2 = .621, β = 0.800). The KEM was predicted by the AP-COP position in the involved limb (P = .015, R2 = .227, β = 0.513) and by the VGRF in the uninvolved limb (P = .018, R2 = .213, β = 0.500). No significant correlation was noted between the KEM and the lower limb joint angles.
Conclusions: The AP-COP position and VGRF were associated with the KEM during landing. Evaluating the VGRF and AP-COP position, not the lower limb joint angles, may contribute to understanding the KEM during double-leg landing after ACLR in the clinical setting.

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Author: Masato Chijimatsu, Rui Henmi, Hiroko Yokoyama, Yuka Kimura, Yasuyuki Ishibashi, Eiichi Tsuda

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Citation: Journal of Sport Rehabilitation; 33(4):259-266, 2024 Mar 26

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Manuscript has been published in a journal issue:
Accepted author manuscript version reprinted, by permission, from Journal of Sport Rehabilitation; 2024, 33 (4): 259-266, https://doi.org/10.1123/jsr.2023-0296. © Human Kinetics, Inc.

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書誌情報

en : Journal of Sport Rehabilitation

巻 33, 号 4, p. 259-266, 発行日 2024-03-26

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収録物識別子タイプ

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収録物識別子

1543-3072

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Ver.1

2025-01-10 03:16:05.518951

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Anterior－Posterior Center of Pressure Is Associated With Knee Extensor Moment During Landing After Anterior Cruciate Ligament Reconstruction

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