Cheng Wern L, Jaafar Zulkarnain
Department of Sports Medicine, University of Malaya Medical Center, Lembah Pantai, Kuala Lumpur, Malaysia.
Department of Sports Medicine, University of Malaya Medical Center, Lembah Pantai, Kuala Lumpur, Malaysia -
J Sports Med Phys Fitness. 2020 Jun;60(6):895-902. doi: 10.23736/S0022-4707.20.10619-4.
Lateral ankle sprain is the most common injury in basketball, and many of these sprains resulted in residual functional deficits. This study aimed to compare ankle strength and range of motion, and postural balance between competitive basketball players with and without lateral ankle sprain.
This was a cross-sectional study involving 42 male competitive basketball players. Subjects were divided into the injured and uninjured groups based on self-reported questionnaires. Ankle range of motion (ROM) was measured using a goniometer, ankle isokinetic strength testing performed using Biodex System 4 PRO, and single-leg stability tests performed using Biodex Balance System SD.
Between the injured and uninjured ankles, there was a decrease in plantarflexion ROM (44.89±6.85 vs. 50.75±9.31, P<0.05) and an increase in eversion ROM (14.50±5.63 vs. 11.74±4.53, P<0.05). There was a reduction in inversion and plantarflexion strength at 30°/s peak torque and 120 °/s peak torque (P<0.05). However, no significant difference observed in the postural stability indexes between the two groups.
This study proves that there are residual ROM and strength deficits after an ankle sprain, however, these deficits do not affect their balance ability.
外侧踝关节扭伤是篮球运动中最常见的损伤，许多此类扭伤会导致残留功能缺陷。本研究旨在比较有和没有外侧踝关节扭伤的竞技篮球运动员之间的踝关节力量、活动范围和姿势平衡。
这是一项横断面研究，涉及42名男性竞技篮球运动员。根据自我报告问卷将受试者分为受伤组和未受伤组。使用角度计测量踝关节活动范围（ROM），使用Biodex System 4 PRO进行踝关节等速力量测试，使用Biodex Balance System SD进行单腿稳定性测试。
受伤踝关节与未受伤踝关节相比，跖屈ROM降低（44.89±6.85对50.75±9.31，P<0.05），外翻ROM增加（14.50±5.63对11.74±4.53，P<0.05）。在30°/s峰值扭矩和120°/s峰值扭矩时，内翻和跖屈力量降低（P<0.05）。然而，两组之间的姿势稳定性指标没有显著差异。
本研究证明踝关节扭伤后存在残留的ROM和力量缺陷，然而，这些缺陷并不影响他们的平衡能力。
