Volume 29, Issue 2 pp. 267-274
Main Articles

Quadriceps muscle endurance in patients with chronic obstructive pulmonary disease

Alex Van'T Hul

Corresponding Author

Alex Van'T Hul

Department of Physiotherapy, VU University Medical Center, P.O. Box 7057, 1007 MB Amsterdam, The Netherlands

Institute for Fundamental and Clinical Human Movement Science, Vrije Universiteit, Amsterdam, The Netherlands

Department of Physiotherapy, VU University Medical Center, P.O. Box 7057, 1007 MB Amsterdam, The NetherlandsSearch for more papers by this author
Jaap Harlaar PhD

Jaap Harlaar PhD

Institute for Fundamental and Clinical Human Movement Science, Vrije Universiteit, Amsterdam, The Netherlands

Department of Rehabilitation Medicine, VU University Medical Center, Amsterdam, The Netherlands

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Rik Gosselink PhD

Rik Gosselink PhD

Respiratory Rehabilitation and Respiratory Division, University Hospitals, Katholieke Universiteit, Leuven, Belgium

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Peter Hollander PhD

Peter Hollander PhD

Institute for Fundamental and Clinical Human Movement Science, Vrije Universiteit, Amsterdam, The Netherlands

Faculty of Human Movement Sciences, Vrije Universiteit, Amsterdam, The Netherlands

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Piet Postmus PhD

Piet Postmus PhD

Department of Pulmonology, VU University Medical Center, Amsterdam, The Netherlands

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Gert Kwakkel PhD

Gert Kwakkel PhD

Department of Physiotherapy, VU University Medical Center, P.O. Box 7057, 1007 MB Amsterdam, The Netherlands

Institute for Fundamental and Clinical Human Movement Science, Vrije Universiteit, Amsterdam, The Netherlands

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First published: 02 January 2004
Citations: 65

Abstract

The purpose of this study was to compare quadriceps muscle strength (maximal voluntary contraction, MVC), endurance (TLIM), and dynamic work capacity (WLIM) in 89 patients (57 men and 32 women) with chronic obstructive pulmonary disease (COPD) to 31 healthy controls (20 men and 11 women). Compared with the healthy subjects, COPD patients demonstrated statistically significant (P < 0.05) lower values for MVC, TLIM and WLIM. The MVC was 20–30% lower, whereas TLIM and WLIM were 70–80% lower in the patients. Stepwise multiple regression analysis revealed that pulmonary function variables contributed only partially to the explanation of variance in MVC, TLIM, and WLIM. Our results indicate that in patients with COPD, quadriceps muscle endurance and dynamic work capacity are impaired to a greater extent than is quadriceps muscle strength. For rehabilitation purposes, the findings may lead to more specific exercise programs, further enhancing rehabilitation outcomes in terms of functional abilities and social participation. Muscle Nerve 29: 267–274, 2004

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