RESUMO
Resistive exercise training has become very popular for patients of cardiopulmonary rehabilitation programmes (CRPs). For decades, CRPs focused almost exclusively on improving cardiorespiratory endurance and most programmes ignored muscular fitness development. Moreover, resistance training was thought to be potentially hazardous for the cardiac patient due to the risk of cardiovascular complications from adverse haemodynamic responses. We now know that resistive exercise testing and training is very safe for properly screened patients, even at relatively high workloads. Improvement in muscular strength facilitates return to daily vocational and avocational activities and is important for the CRP participant to regain lost strength and resume work soon after a cardiac event. Circuit weight training (CWT) is helpful in this respect and has been shown to increase muscular strength, cardiovascular endurance, body composition, bone density and mineral content, self-confidence, and self-efficacy in various populations. This article presents an update on current research in cardiac patients and also presents guidelines for implementing a properly supervised cardiac resistive exercise programme.
Assuntos
Terapia por Exercício/métodos , Cardiopatias/reabilitação , Composição Corporal , Densidade Óssea , Guias como Assunto , Coração/fisiologia , Cardiopatias/fisiopatologia , Cardiopatias/psicologia , Hemodinâmica , Humanos , Pulmão/fisiologia , Contração Muscular , Músculo Esquelético/fisiologia , Resistência Física , Aptidão Física , Fatores de Risco , Autoimagem , Levantamento de PesoRESUMO
To determine the frequency of significant complications of exercise testing in children, we reviewed 1,730 studies performed over a 9-year period, 1973 to 1982. The protocol used a graded, continuous test to maximal effort on a cycle ergometer. The overall incidence of complications was 1.79%, similar to the 1.7% previously reported by Freed [4]. No deaths occurred. Complications were classified into 4 groups with their frequency of occurrence as follows: chest pain (0.69%), dizziness or syncope (0.29%), decreased blood pressure (0.35%), hazardous arrhythmias (0.46%). These data confirm that exercise testing in children has low morbidity and mortality. We believe that the safety of stress testing should encourage physicians to expand its use in the assessment of functional ability.