Hip Angles, Joint Moments, and Muscle Activity During Gait in Women With and Without Self-reported Stress Urinary Incontinence

Journal of women's health physical therapy Pub Date : 2020-06-12 DOI:10.1097/JWH.0000000000000166

Erin H. Hartigan, J. McAuley, Michael A. Lawrence, Willis Brucker, Adam King, B. Tryon, M. DeSilva

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引用次数: 2

Abstract

Supplemental Digital Content is Available in the Text. Background: Women with stress urinary incontinence (SUI) have different hip strength, mobility, and unique between-leg differences compared with women without SUI. This article describes gait biomechanics in these same women to provide insight into their function and neuromuscular system. Objective: To compare gait biomechanics between women with and without self-reported SUI. Study Design: Descriptive. Methods: Hip angles, moments (net forces), and muscle activity were analyzed during 3 phases of stance (weight acceptance [WA], mid-stance [MS], and terminal stance [TS]), using 3-dimensional cameras, force plates, and surface electromyography. Values were compared between groups (SUI, n = 21; no SUI, n = 20) and limbs (dominant, D; nondominant, ND) (significance: P ≤ .05). Results: Between-Group Comparisons: Both limbs in the SUI group had greater abduction (ABD) moments (WA: D: P = .039; ND: P = .030), external rotation (ER) moments (WA: D: P = .002, ND: P = .004; and MS: D: P = .033, ND: P = .035), and gluteus maximus activity (TS: D: P < .001, ND: P = .005). The SUI group's ND-limb had greater adduction angles (WA: P = .043), internal rotation (IR) angles (WA: P = .011; MS: P = .028), flexion (FL) moments (TS: P = .050), and tensor fasciae latae activity (TS: P = .044). The SUI group's D-limb had greater ABD moments (TS: P = .034). Between-Limb Comparisons Unique to Each Group: The SUI group's ND-limb had greater IR angles (WA: P = .007, MS: P = .032, TS: P = .027), relative lesser ER angles (MS: P = .003, TS: P = .007), and lesser FL angles (MS: P = .029). The without SUI group's ND-limb had greater ER moments (MS: P = .022). Conclusions: Women with SUI demonstrate unique gait mechanics, predominantly in the transverse plane and in the ND-limb. A video abstract for this article is available at: http://links.lww.com/JWHPT/A29.

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有或没有自我报告的压力性尿失禁妇女的髋关节角度、关节力矩和步态中的肌肉活动

文本中提供了补充数字内容。背景：与无压力性尿失禁的女性相比，有压力性尿尿失禁（SUI）的女性有不同的臀部力量、灵活性和独特的腿部差异。本文描述了这些女性的步态生物力学，以深入了解她们的功能和神经肌肉系统。目的：比较有和没有自我报告SUI的女性步态生物力学。研究设计：描述性。方法：使用三维相机、力板和表面肌电图，分析站立三个阶段（重量接受[WA]、中间站立[MS]和最后站立[TS]）的髋关节角度、力矩（净力）和肌肉活动。比较两组（SUI，n=21；无SUI，n=20）和肢体（显性，D；非显性，ND）之间的值（显著性：P≤.05）。结果：组间比较：SUI组的两个肢体都有更大的外展（ABD）力矩（WA:D:P=.039；ND:P=.030）、外旋（ER）力矩（WA:D:P=.002，ND:P=.004；MS:D:P=0.033，ND:P=0.035），SUI组的ND肢体具有较大的内收角（WA:P=0.043）、内旋角（IR）（WA:P=0.011；MS:P=0.28）、屈曲力矩（FL）（TS:P=0.050），和阔筋膜张肌活动（TS:P=0.44）。SUI组的D肢体有更大的ABD力矩（TS:P=0.034）。各组独特的肢体间比较：SUI组ND肢体有更高的IR角（WA:P=0.007，MS:P=0.032，TS:P=0.027），相对较小的ER角（MS:P=0.003，TS:P=0.007），和较小的FL角（MS:P=0.029）。无SUI组的ND肢体具有较大的ER力矩（MS:P=0.022）。结论：患有SUI的女性表现出独特的步态力学，主要在横切面和ND肢体。本文的视频摘要可在以下网址获得：http://links.lww.com/JWHPT/A29.

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Journal of women's health physical therapy

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