Source: Annual Congress 2010 - Exercise training: new groups, new methods and outcomes
Disease area: Airway diseases

Abstract

Rationale: Fat-free mass (FFM) has been related to muscle function and exercise intolerance in patients with COPD but has not been used as a descriptive characteristic in exercise studies. We investigated the efficacy of two training methods in FFM-depleted COPD patients.
Methods: 31 depleted COPD patients were randomly assigned to traditional whole-body endurance and resistance training¹ (ERT; N=16, 60.5 ± 6.8 yr, FEV₁ 32.8 ± 9.5%pred, FFM-index 14.0 ± 1.2 kg/m²) or individualized resistance training (IRT; N=15, 60.2±7.5 yr, FEV₁ 27.8 ± 7.7%pred, FFM-index 13.4 ± 1.2 kg/m²) with distinct protocols to induce different physiological adaptations. Training was performed (3 days/wk) for 6 weeks. Endurance was assessed with a cycle test (CWT) at 75%Wmax.
Results: An increase in CWT was found in both groups: ERT (287 ± 217.7 to 372.8 ± 264.9 sec; p<0.01) and IRT (318.1 ± 198.6 to 702.1 ± 384.5 sec; p<0.001). We found a larger increase in IRT compared to ERT (376.5 ± 312.6 vs 85.4 ± 115.2, p<0.01)
Conclusion: Our results show that FFM-depleted COPD patients profit more from individualized resistance training. These findings should be incorporated in training strategies for patients with COPD.
¹Spruit et al, Eur.Respir.J. 19, 2002.

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Citations should be made in the following way:
P. H. C. Klijn, A. R. J. van Keimpema, H. F. van Stel (Hilversum, Amsterdam, Utrecht, Netherlands). Improvement in endurance capacity through resistance training in depleted COPD patients. Eur Respir J 2010; 36: Suppl. 54, 4869

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