Aerobic and Resistance Training in Coronary Disease: Single versus Multiple Sets

• Autores: Susan Marzolini, Paul I. Oh, Scott G. Thomas, Jack M. Goodman
• Localización: Medicine & Science in Sports & exercise: Official Journal of the American College of Sports Medicine, ISSN 0195-9131, Vol. 40, Nº. 9, 2008, págs. 1557-1564
• Idioma: inglés
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• Dialnet Métricas: 1 Cita
• Resumen

  • Purpose: The purpose of this study was to compare resistance training (RT) (one set vs three sets) combined with aerobic training (AT) versus AT alone in persons with coronary artery disease.

    Methods: Subjects (n = 72) were randomized to AT (5 d[middle dot]wk-1) or combined AT (3 d[middle dot]wk-1) with either one set (AT/RT1) or three sets (AT/RT3) of RT performed 2 d[middle dot]wk-1. V[spacing dot above]O2peak, ventilatory anaerobic threshold (VAT), strength and endurance, body composition, and adherence were measured before and after 29 wk of training.

    Results: Fifty-three subjects (mean +/- SEM age 61 +/- 2) completed the training. The increase from baseline in V[spacing dot above]O2peak (L[middle dot]min-1) averaged 11% for AT (P < 0.05), 14% for AT/RT1 (P < 0.01), and 18% for AT/RT3 (P < 0.001), however, the difference between groups was not significant. VAT improved significantly in the AT/RT3 group only (P < 0.05). The AT/RT3 group gained more lean mass than the AT group (1.5 versus 0.4 kg, P < 0.01), yet gains between AT/RT1 and AT were similar (P = 0.2). Only AT + RT groups demonstrated a reduction in body fat (P < 0.05). Strength and endurance increased more in the AT + RT groups than AT alone (P < 0.05). Adherence to number of sets performed was lower in AT/RT3 than AT/RT1 (P < 0.02).

    Conclusions: Combined AT + RT yields more pronounced physiological adaptations than AT alone and appears to be superior in producing improvements in V[spacing dot above]O2peak, muscular strength and endurance, and body composition. The data support the use of multiple set RT for patients desiring an increased RT stimulus which may further augment parameters that affect V[spacing dot above]O2peak, VAT, lower body endurance, and muscle mass in a cardiac population.