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Effects of medial and lateral wedged orthoses on knee and ankle joint loading in female runners
Kinesiology ( IF 1.2 ) Pub Date : 2019-01-01 , DOI: 10.26582/k.51.2.9 Jonathan Sinclair 1 , Philip Stainton 1
Kinesiology ( IF 1.2 ) Pub Date : 2019-01-01 , DOI: 10.26582/k.51.2.9 Jonathan Sinclair 1 , Philip Stainton 1
Affiliation
The aim of the current investigation was to examine the effects of orthoses with a 5° medial and lateral wedge on knee and ankle joint kinetics in female runners. Twelve healthy female runners ran at 3.5m/s over a force platform in three conditions (medial, lateral and no-orthotic). Lower extremity kinematics were measured using an 8 camera motion capture system which allowed knee and ankle loading to be explored using a musculoskeletal modelling approach. Peak Achilles tendon force was significantly larger in the no-orthotic condition (5.34 BW) compared to the lateral orthosis (5.03 BW). Peak patellofemoral force was significantly larger in the medial orthosis (2.77 BW) compared to the lateral (2.62 BW) and no-orthotic (2.60 BW) conditions. Finally, peak knee adduction moment was significantly larger in the medial condition (1.14 Nm/kg) compared to the lateral (0.99 Nm/kg) orthosis. The findings from the current investigation indicate that lateral orthoses may be effective in attenuating risk from medial tibiofemoral osteoarthritis and Achilles tendinopathy, but medial wedge orthoses may increase the risk from patellofemoral pain in female runners.
中文翻译:
内侧和外侧楔形矫形器对女跑步者膝盖和踝关节负荷的影响
当前研究的目的是检查内侧和外侧楔形度为5°的矫形器对女跑步者膝关节和踝关节动力学的影响。在三种情况下(内侧,外侧和非矫形),十二名健康的女跑步者在受力平台上以3.5m / s的速度跑动。下肢运动学使用8个摄像机的运动捕获系统进行测量,该系统允许使用肌肉骨骼建模方法探究膝盖和踝关节的负荷。在非矫正状态(5.34 BW)下,跟腱矫正力峰值明显高于外侧矫形器(5.03 BW)。与外侧(2.62 BW)和非矫形(2.60 BW)相比,内侧矫形器(2.77 BW)峰值pa股力量明显更大。最后,在内侧情况下膝关节最大内收力矩明显更大(1。14 Nm / kg)与外侧矫形器(0.99 Nm / kg)相比。当前调查的结果表明,外侧矫形器可能在减轻内侧胫股骨骨关节炎和跟腱炎的风险方面有效,但是内侧楔形矫形器可能会增加女性跑步者pa股疼痛的风险。
更新日期:2019-01-01
中文翻译:
内侧和外侧楔形矫形器对女跑步者膝盖和踝关节负荷的影响
当前研究的目的是检查内侧和外侧楔形度为5°的矫形器对女跑步者膝关节和踝关节动力学的影响。在三种情况下(内侧,外侧和非矫形),十二名健康的女跑步者在受力平台上以3.5m / s的速度跑动。下肢运动学使用8个摄像机的运动捕获系统进行测量,该系统允许使用肌肉骨骼建模方法探究膝盖和踝关节的负荷。在非矫正状态(5.34 BW)下,跟腱矫正力峰值明显高于外侧矫形器(5.03 BW)。与外侧(2.62 BW)和非矫形(2.60 BW)相比,内侧矫形器(2.77 BW)峰值pa股力量明显更大。最后,在内侧情况下膝关节最大内收力矩明显更大(1。14 Nm / kg)与外侧矫形器(0.99 Nm / kg)相比。当前调查的结果表明,外侧矫形器可能在减轻内侧胫股骨骨关节炎和跟腱炎的风险方面有效,但是内侧楔形矫形器可能会增加女性跑步者pa股疼痛的风险。