6MWT Performance and its Correlations with VO₂ and Handgrip Strength in Home-Dwelling Mid-Aged and Older Chinese.

ABSTRACT: Six-minute walk test (6MWT) performance is more commonly used in clinic patients with chronic cardiopulmonary diseases but not in home-dwelling individuals of similar age, and its correlations with oxygen uptake (VO₂) and muscle strength require further investigation. The current study determined the 6MWT performance of 106 home-dwelling residents (mean age of 62 years) in Suzhou, China. VO₂ at a respiratory exchange ratio (R) of 1 was measured through graded cycling exercise tests on 46 participants. Handgrip strength of all participants was tested. 6MWT distance measured 543.4 ± 67.2 m (total work 351.0 ± 62.8 kJ) with similar distances ambulated each minute. Heart rate, blood pressure, and rate of perceived exertion scores significantly increased after 6MWT. VO₂ at R = 1 reached 1238 ±

SUBMITTER: Zhang Q 

PROVIDER: S-EPMC5451924 | biostudies-literature | 2017 Apr

REPOSITORIES: biostudies-literature