The 2-Minutes Walking Test Is Not Correlated with Aerobic Fitness Indices but with the 5-Times Sit-to-Stand Test Performance in Apparently Healthy Older Adults.

IF 4.6 Q2 MATERIALS SCIENCE, BIOMATERIALS

ACS Applied Bio Materials Pub Date : 2024-04-01 DOI:10.3390/geriatrics9020043

M. Gil-Calvo, JOSE ANTONIO DE PAZ, Alba Herrero-Molleda, Arthur Zecchin, María Teresa Gómez-Alonso, Beatriz Alonso-Cortés, Daniel Boullosa

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Abstract

The 2-minutes walking test (2-MWT) is a valid and reliable test that has a high correlation with the distance walked in the 6-minutes walking test (6-MWT). However, to date, no study has determined the relationship between 2-MWT performance and the aerobic fitness indices obtained during a maximal incremental test to confirm if this test is a valid surrogate of aerobic fitness in apparently healthy older adults. The main objective of this work was to identify the factors associated to the performance in the 2-MWT, including aerobic fitness, functional and spatial-temporal gait parameters. Seventeen elderly adults performed a maximal incremental cycling test to determine maximum oxygen consumption (VO2max) and ventilatory thresholds (VT1 and VT2), two static standing balance tests with open and close eyes, a 5-times sit-to-stand test (5-TSTS), a handgrip test, and a 2-MWT on three different days over 2 weeks. No correlations were found between aerobic fitness indices and the distance covered in 2-MWT, but significant moderate correlations were found between the distance covered in 2-MWT and the time to perform the 5-TSTS (rho = -0.49) and with stride length (rho = 0.52) during the test. In conclusion, the 2-MWT does not seem a good test to assess aerobic capacity while it showed to be associated to the 5-TSTS performance of the elderly.

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2分钟步行测试与有氧健身指数无关，但与貌似健康的老年人的5次坐立测试成绩有关。

2 分钟步行测试（2-MWT）是一项有效而可靠的测试，与 6 分钟步行测试（6-MWT）的步行距离有很高的相关性。然而，迄今为止，还没有研究确定 2-MWT 性能与最大增量测试中获得的有氧健身指数之间的关系，以确认该测试是否是明显健康的老年人有氧健身的有效替代指标。这项研究的主要目的是确定与 2-MWT 性能相关的因素，包括有氧体能、功能和时空步态参数。17 名老年人在两周内的三个不同的日子里进行了最大增量骑车测试以测定最大耗氧量（VO2max）和通气阈值（VT1 和 VT2）、两次睁眼和闭眼静态站立平衡测试、5 次坐立测试（5-TSTS）、握手测试和 2-MWT 测试。有氧健身指数与 2-MWT 的距离之间没有相关性，但 2-MWT 的距离与进行 5-TSTS 的时间（rho = -0.49）和测试期间的步幅（rho = 0.52）之间存在显著的中度相关性。总之，2-MWT 似乎不是评估有氧能力的好测试，但它与老年人的 5-TSTS 表现有关联。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

ACS Applied Bio Materials Chemistry-Chemistry (all)

CiteScore

9.40

自引率

2.10%

发文量

464

期刊介绍： ACS Applied Bio Materials is an interdisciplinary journal publishing original research covering all aspects of biomaterials and biointerfaces including and beyond the traditional biosensing, biomedical and therapeutic applications. The journal is devoted to reports of new and original experimental and theoretical research of an applied nature that integrates knowledge in the areas of materials, engineering, physics, bioscience, and chemistry into important bio applications. The journal is specifically interested in work that addresses the relationship between structure and function and assesses the stability and degradation of materials under relevant environmental and biological conditions.