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Functional effects of arthroscopic modified Broström procedure on lateral ankle instability: A pilot study

This study aims to assess the mechanical and functional effects of the arthroscopic modified Broström procedure (AMBP) on patients with lateral ankle instability. Eight patients with unilateral ankle instability treated with AMBP and eight healthy subjects were recruited. Healthy subjects, preoperat...

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Published in:Foot and ankle surgery 2023-04, Vol.29 (3), p.261-267
Main Authors: Cao, Shengxuan, Chen, Yungu, Zhu, Yunchao, Jiang, Shuyun, Wang, Xu, Wang, Chen, Ma, Xin
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Language:English
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cited_by cdi_FETCH-LOGICAL-c268t-f9b008b3c98b62731bdfa8e0ec71892559ffe1e319abb83954ec672d945fa0523
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description This study aims to assess the mechanical and functional effects of the arthroscopic modified Broström procedure (AMBP) on patients with lateral ankle instability. Eight patients with unilateral ankle instability treated with AMBP and eight healthy subjects were recruited. Healthy subjects, preoperative and one-year postoperative patients were assessed using outcome scales and the Star Excursion Balance Test (SEBT) for dynamic postural control. One-dimensional statistical parametric mapping was performed to compare ankle angle and muscle activation curve during stair descent. The patients with lateral ankle instability showed good clinical outcomes and increased posterior lateral reach during the SEBT after the AMBP (p = 0.046). The medial gastrocnemius activation after initial contact was reduced (p = 0.049), and the peroneal longus activation after initial contact was promoted (p = 0.014). The AMBP has functional effects of promoting dynamic postural control and peroneal longus activation within one year of follow-up, which can benefit patients with functional ankle instability. However, the medial gastrocnemius activation was unexpectedly reduced post operation.
doi_str_mv 10.1016/j.fas.2023.02.004
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subjects Ankle
Ankle Joint - surgery
Arthroscopic modified Broström procedure
Dynamic postural control
Functional ankle instability
Humans
Joint Instability - surgery
Lateral Ligament, Ankle - surgery
Muscle activation
Pilot Projects
Stair descent
title Functional effects of arthroscopic modified Broström procedure on lateral ankle instability: A pilot study
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