Single leg stance control in individuals with symptomatic gluteal tendinopathy
Single leg stance control in individuals with symptomatic gluteal tendinopathy
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DOI：
10.1016/j.gaitpost.2016.06.020
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发表时间：
2016-09-01
期刊：
影响因子：
2.4
通讯作者：
Hodges, Paul W.
中科院分区：
文献类型：
--
作者：
Allison, Kim;Bennell, Kim L.;Hodges, Paul W.
背景：单腿负重时的髋关节外侧疼痛和髋外展肌无力与臀肌腱病有关，但目前还没有研究表明单腿站立时的运动学在臀肌腱病患者中如何或是否有所不同。目的：比较有无臀肌腱病患者在单腿站立准备和单腿站立时的运动学，以及髋外展肌力量对运动学的影响。方法：对20名臀肌腱病患者和20名年龄匹配的无痛对照组进行了单腿站立和最大等长髋外展肌力量测试的三维运动学分析。结果：臀肌腱病患者在准备抬腿时髋关节内收(标化均数差=0.70，P=0.04)和同侧骨盆移位(标化均数差=1.1，P=0.002)较大(标化均数差=0.7，P=0.04)，在准备抬腿时，髋关节内收(标化均数差=0.7，P=0.04)和同侧骨盆移位(标化均数差=1.1，P=0.002)。稳定单腿站立时的对侧骨盆抬高小于对照组(P=0.002.86，P=0.0 2)。当计入力量作为协变量时，只有两组间骨盆外侧移位的差异持续存在(SMD=1.7，P=0.01)。结论：臀肌腱病患者在单腿站立时髋关节和骨盆的额面运动学与无痛对照组相比有所不同。这一发现不受骨盆尺寸或身体质量指数的潜在可修改因素的影响，而是受髋外展肌无力的影响。(C)2016爱思唯尔B.V.保留所有权利。
Background: Lateral hip pain during single leg loading, and hip abductor muscle weakness, are associated with gluteal tendinopathy, but it has not been shown how or whether kinematics in single leg stance differ in those with gluteal tendinopathy.Purpose: To compare kinematics in preparation for, and during, single leg stance between individuals with and without gluteal tendinopathy, and the effect of hip abductor muscle strength on kinematics.Methods: Twenty individuals with gluteal tendinopathy and 20 age-matched pain-free controls underwent three-dimensional kinematic analysis of single leg stance and maximum isometric hip abductor strength testing. Maximum values of hip adduction, pelvic obliquity (contralateral pelvis rise/drop), lateral pelvic translation (ipsilateral/contralateral shift) and ipsilateral trunk lean during preparation for leg lift and average values in steady single leg stance, were compared between groups using an analysis of covariance, with and without anthropometric characteristics and strength as covariates.Results: Individuals with gluteal tendinopathy demonstrated greater hip adduction (standardized mean difference (SMD) = 0.70, P = 0.04) and ipsilateral pelvic shift (SMD = 1.1, P = 0.002) in preparation for leg lift, and greater hip adduction (SMD = 1.2, P = 0.002) and less contralateral pelvic rise (SMD = 0.86, P = 0.02) in steady single leg stance than controls. When including strength as a covariate, only between group differences in lateral pelvic shift persisted (SMD = 1.7, P = 0.01).Conclusion: Individuals with gluteal tendinopathy use different frontal plane kinematics of the hip and pelvis during single leg stance than pain-free controls. This finding is not influenced by pelvic dimension or the potentially modifiable factor of body mass index, but is by hip abductor muscle weakness. (C) 2016 Elsevier B.V. All rights reserved.