使用仪器压力步行道进行单脚跳和双侧落跳任务时的时空特征的可靠性。

IF 1.6 Q3 SPORT SCIENCES
International Journal of Sports Physical Therapy Pub Date : 2024-06-01 eCollection Date: 2024-01-01 DOI:10.26603/001c.117401
Matthew McManigal, Austin Post, Michael Allen, Alyx Jorgensen, MIke Rosenthal, Michael Wellsandt, Matthew Tao, Elizabeth Wellsandt
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引用次数: 0

摘要

背景:单腿跳跃测试已被广泛用于评估前交叉韧带(ACL)重建后的性能结果。传统的单次、三次或 6 米计时跳跃测试仅测量距离或时间作为主要变量,而忽略了其他变量,如一系列跳跃中的单次跳跃距离、飞行时间和站立时间。便携式压力步道仪器的开发使得在实验室外收集跳跃速度、飞行时间、站立时间、距离和压力等参数成为可能。然而,在单腿跳跃测试中,压力步行道测量空间和时间变量的可靠性尚不清楚。本研究旨在确定 Zeno 步道能否可靠地测量跳跃测试的时空(ST)特征:研究设计:横断面研究:在这项横断面研究中,参与者(人数=38)在压力敏感型泽诺步道上进行了单跳、三跳和6米跳测试。21名参与者在1至14天后完成了后续测试。类内相关系数(ICC(3,k))用于评估ST变量的测试-再测可靠性。此外,还测量了垂直跳跃高度和 6 米跳计时的准确性:结果:在单腿跳跃测试中,所有 ST 变量均表现出极佳的重测可靠性(ICC > 0.86),且最小可检测变化(MDC)值较小。此外,压力步行道还能精确测量双侧下落式跳跃的六米跳跃时间和跳跃高度:带仪器的压力走道是一种新型工具,可用于可靠评估临床相关跳跃测试的非传统参数,如下肢损伤、手术和康复后的飞行时间、站立时间和跳跃高度:3b.
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Reliability of Spatiotemporal Characteristics During Single-Legged Hop and Bilateral Drop Jump Tasks Using an Instrumented Pressure Walkway.

Background: Single-legged hop tests have been widely used to assess performance-based outcomes after anterior cruciate ligament (ACL) reconstruction. Traditional single, triple, or 6-meter (6m) timed hop tests only measure distance or time as the principal variables, neglecting other variables, such as individual hop distances within a series of hops, flight time, and stance time. The development of portable instrumented pressure walkways has made it possible to collect parameters such as hop velocity, flight time, stance time, distance, and pressure outside of a laboratory setting. However, the reliability of instrumented pressure walkways in measuring spatial and temporal variables during single-legged hop tests is unknown. This study aimed to determine if the Zeno walkway can reliably measure spatiotemporal (ST) characteristics of hop tests.

Study design: Cross-Sectional Study.

Methods: Individuals (n=38) in this cross-sectional study performed single, triple, and 6m hop tests on a pressure-sensitive Zeno walkway. Twenty-one participants completed follow-up testing between one and 14 days later. Intraclass correlation coefficients (ICC(3,k)) were used to assess test-retest reliability of ST variables. The accuracy of vertical jump height and 6m hop timing were also measured.

Results: All ST variables demonstrated excellent test-retest reliability (ICC > 0.86) with small minimal detectable change (MDC) values during single-legged hop tests. Six-meter hop time and jump height during a bilateral drop jump were also accurately measured by the walkway.

Conclusion: An instrumented pressure walkway is a novel tool to reliably assess non-traditional parameters of clinically relevant hop and jump tests such as flight time, stance time, and jump height after lower extremity injury, surgery, and rehabilitation.

Level of evidence: 3b.

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来源期刊
CiteScore
2.50
自引率
5.90%
发文量
124
审稿时长
16 weeks
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