What is the effect of regular physical activity on body composition?

Regular physical activity has a significant positive impact on body composition, primarily by improving the balance between lean mass and fat mass. Engaging in consistent exercise, such as strength training and aerobic activities, helps to build and maintain lean muscle mass while also promoting fat loss.

Muscle tissue is metabolically active and requires more energy to maintain than fat tissue, which can increase overall energy expenditure. As muscle mass increases, body fat percentages typically decrease, leading to an improved ratio of lean to fat mass. Additionally, regular physical activity enhances metabolic health, improves insulin sensitivity, and can lead to favorable changes in fat distribution throughout the body.

Therefore, the improvement of overall body composition through regular physical activity is a well-supported conclusion in nutritional science and weight management practices. This understanding reinforces the importance of incorporating physical activity into one's lifestyle to achieve and maintain a healthy body composition.