Health Benefits Of Physical Fitness
Benefits of Physical Activity for Your Healthy Weight
Physical activity can play an important role in the prevention of weight gain, weight loss, and weight maintenance after weight loss. Even without weight loss, regular physical activity promotes health by decreasing abdominal fat stores, improving blood cholesterol concentrations, insulin sensitivity, and blood pressure. A regular program of resistance (strength building) exercise alone increases lean body mass and reduces fat mass even without weight loss.
An approach to weight loss can be considered successful only if it is safe, healthful, and prevents weight regain. Successful approaches focus on healthy eating and exercise for a lifetime, rather than on dieting. People who lose weight and maintain their weight afterward have found physical activities they enjoy and they exercise regularly. That is the major commonality among people who maintain their weight after weight loss.
Weight loss reduces calorie need somewhat because of metabolic adaptations the body makes to conserve energy and the loss of muscle mass. About 75 to 80% of weight loss consists of fat and the rest is from lean body tissues such as muscle. Lean body mass, including muscle mass, can be restored with physical activity, especially strength-building activities. Increased muscle mass drives calorie need up because it takes more energy to maintain muscle than fat tissue.
Calorie intake reductions of 100 or more daily combined with regular physical activity are related to higher levels of weight loss than exercise alone because they create a larger calorie deficit and a greater use of fat stores for energy. The increased physical activity approach to weight maintenance may be an effective method for weight management among people who prefer exercise to cutting back on calories. It will work as long as increases in energy expended in physical activity are not exceeded by increases in calorie intake.
Although uncommon, some people have health problems requiring medical supervision of Exercise Programs. Individuals with health concerns should get an all clear from their health care provider before undertaking a higher level of physical activity than usual.
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Physical Fitness & Endurance | admin | 
February 11, 2012 12:43 pm
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