Abstract

Background: Resistance training in COPD provide positive results on muscle function (MF) and body composition (BC) such as changes on fat and lean mass. Training using elastic resistance has shown similar effects than conventional free weight. Aim: To compare changes on MF and BC after 12-week exercise program including or elastic tubes (ET) or elastic band (EB) or conventional free weight (CG) in COPD subjects. Methods: 24 subjects (FEV1 50,50+15,97%pred, 68,66+6,84 years) were randomised to complete training in one of the three groups (ET, n=10; EB, n=7; CG, n=7). MF (via dynamometry) and BC (via octapolar bioimpedance) were assessed prior to and upon completion of the programs. Results: No significant differences were found between the three investigated groups regarding muscle function. None interventions generated significant improvements on BC on lean or fat mass (p>0,05; Table1.) Conclusions: Elastic resistance provide similar exercise responses than conventional resistance regardless the device adopted to train in COPD. Additional benefits on BC could not be observed in none of the groups.

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