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Publication type: Article in scientific journal
Type of review: Peer review (publication)
Title: Association between peripheral muscle strength, exercise performance, and physical activity in daily life in patients with Chronic Obstructive Pulmonary Disease
Authors : Rausch Osthoff, Anne-Kathrin
Kohler, Malcolm
Sievi, Noriane A.
Clarenbach, Christian F.
Gestel, Arnoldus J.R. van
DOI : 10.21256/zhaw-4986
Published in : Multidisciplinary Respiratory Medicine
Volume(Issue) : 9
Issue : 37
Issue Date: 2014
Publisher / Ed. Institution : Biomed Central
ISSN: 2049-6958
Language : English
Subjects : Accelerometer; Handgrip-strength; Quadriceps strength; Sit-to-stand-test; Six-minute-walk-distance
Subject (DDC) : 616: Internal medicine and diseases
Abstract: Background: Resistance training of peripheral muscles has been recommended in order to increase muscle strength in patients with Chronic Obstructive Pulmonary Disease (COPD). However, whether peripheral muscle strength is associated with exercise performance (EP) and physical activity in daily life (PADL) in these patients needs to be investigated. The aim of this study is to evaluate whether strength of the quadriceps muscle (QS) is associated with EP and daily PADL in patients with COPD. Methods: We studied patients with COPD (GOLD A-D) and measured maximal isometric strength of the left QS. PADL was measured for 7 days with a SenseWear-Pro® accelerometer. EP was quantified by the 6-minute walk distance (6MWD), the number of stands in the Sit-to-Stand Test (STST), and the handgrip-strength. Univariate and multivariate analyses were used to examine possible associations between QS, PADL and EP. Results: In 27 patients with COPD with a mean (SD) FEV1 of 37.6 (17.6)% predicted, QS was associated with 6MWD, STST, and handgrip-strength but not with PADL. Multiple linear regression analyses showed that QS was independently associated with the 6MWD (β = 0.42, 95% CI 0.09 to 0.84, p = 0.019), STST (β = 0.50, 95% CI 0.11 to 0.86, p = 0.014) and with handgrip-strength (β = 0.45, 95% CI 0.05 to 0.84, p = 0.038). Conclusions: Peripheral muscle strength may be associated with exercise performance but not with physical activity in daily life. This may be due to the fact that EP tests evaluate patients’ true abilities while PADL accelerometers may not.
Fulltext version : Published version
License (according to publishing contract) : CC BY 4.0: Attribution 4.0 International
Departement: Health Professions
Organisational Unit: Institute of Physiotherapy (IPT)
Appears in Collections:Publikationen Gesundheit

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