Combined effects of exercise and restriction of energy intake on moderately obese women.

Abstract

The current study was designed to assess the contribution of dietary-induced weight reduction on improvements in functional capacity in moderate obesity. Twelve females (X age = 29 yr, X fat percentage = 37%) served as subjects for the study. Subjects trained on a cycle ergometer 30 min.day-1, six day.wk-1 for three or six weeks at 75 to 85 per cent of maximum heart rate (HR max). Improvements in maximal oxygen uptake (A V02 max l.min-1) and functional capacity (A V02 max ml.kg-1min-1) were compared in an attempt to separate out training and dietary effects respectively. Measurements were also taken on both the cycle ergometer and treadmill to test for any specificity of training effects. Changes in body composition were assessed by densitometry. Following three weeks of training, there was an average increase in V02 max ml.kg-1min-1 on the cycle ergometer and the treadmill of 14 and 19 per cent respectively. By six weeks, this had increased to 18 and 26 per cent respectively. The contribution of weight reduction to the improvements in functional capacity was calculated to range from 20 to 33 per cent. Thus, both energy restriction and functional capacity in moderately obese women.exercise training appear to be effective means of improving

Shuttle walking test in obese women: test‐retest reliability and concurrent validity with peak oxygen uptake

“…The incidence and prevalence of obesity is increasing on a global scale, including Brazil (IBGE, 2012), disproportionately affecting females in the urban population (Monteiro et al, 2004;McDonald et al, 2009). The negative impact of obesity is widespread and includes the cardiovascular (Goodpaster et al, 2010), respiratory (Thomas et al, 1986), hemodynamic (Ballo et al, 2010) and musculoskeletal (Villareal et al, 2004) systems. Given the physiologic systems impacted, the fact that a compromised functional capacity is a hallmark characteristic in the obese population should be of no surprise (Hulens et al, 2001;Pataky et al, 2013).…”

The Effects of Aerobic Versus Resistance Training on Cardiovascular Fitness in Obese Sedentary Females

“…Weight reduction in obesity brought about by physical training has been associated with numerous metabolic adaptations including preservation of lean body mass (LBM), improved muscle endurance, increased insulin sensitivity, improved high-density lipoprotein cholesterol, low-density lipoprotein cholesterol ratio and improved ability of the muscle cell to take up glucose and metabolize fat [ 6 ] .…”

Comparison of fat percentage with muscle strength/endurance and blood pressure response in young adults

“…[4] Increased weight gain which is associated with increased lean and fat mass, along with the associated increase in total blood volume may be accompanied by an increase in stroke volume, cardiac output and circulatory preload and afterload that can lead to left ventricular hypertrophy and sustained rise in blood pressure. [5] Individuals who do not participate in daily structured exercise are more at risk for developing obesity and hypertension thus is important to promote a physically active lifestyle across the lifespan. Weight reduction in obesity brought about by physical training has been associated with numerous metabolic adaptations including preservation of lean body mass, improved muscle endurance, increased insulin sensitivity, improved high-density lipoprotein cholesterol, low-density lipoprotein cholesterol ratio, and improved ability of the muscle cell to take up glucose and metabolize fat.…”