体育锻炼对人体肌肉的影响更明显，经常从事体育锻炼会使肌肉更加粗壮、发达

Physical exercise has a more obvious impact on human muscles. Regular physical exercise will make muscles stronger and more developed. The longer the time of physical exercise, the more obvious the change. This phenomenon, exercise physiology calls it "functional hypertrophy". Through investigation, it has been proved that the muscles of all sports athletes in all parts of the body are more developed than ordinary students of the same age.

Physical exercise has a more obvious impact on human muscles. Regular physical exercise will make muscles stronger and developed. The longer you engage in physical exercise, the more obvious the change is. This phenomenon is called "functional hypertrophy" in exercise physiology. The investigation shows that the muscles of athletes in all events are more developed than ordinary students of the same age.

Physical exercise has a more obvious influence on human muscles. Regular physical exercise will make muscles stronger and more developed. The longer you engage in physical exercise, the more obvious the change will be. This phenomenon is called "functional hypertrophy" by sports physiology. Through investigation, it is proved that the muscles of all athletes are more developed than those of ordinary students of the same age.