What is a common effect of regular exercise on body composition?

Regular exercise has a significant positive impact on body composition, primarily through the improvement of muscle tone and a reduction in body fat. Engaging in consistent physical activity stimulates muscle growth and enhances metabolic processes, leading to a leaner physique. When you exercise regularly, especially with strength training and aerobic activities, your muscles become more toned, which contributes to a healthier body composition by increasing lean muscle mass. This increase in muscle mass can also elevate resting metabolic rate, allowing the body to burn more calories even at rest, further reducing fat levels.

In contrast, increased body fat percentage would contradict the effects of regular exercise, as exercise typically promotes fat loss. Decreased energy levels generally do not result from regular exercise; instead, most individuals experience heightened energy and endurance as a direct outcome of consistent physical activity. Lastly, saying there is no impact on body composition overlooks the well-documented benefits of exercise on fat and muscle ratios, thus affirming that regular exercise is fundamental in shaping a healthy body composition.