Fitness The inclusion of regular fitness activity helps students maintain and d evelop muscular strength and improve cardiovascular health. A regular fitness activity improves the absorption of nutrients by the body, improves digestive processes and increases physiological processes. Benefits of regular physical activity reduce your risk of a heart attack. manage your weight better. have a lower blood cholesterol level. lower the risk of type 2 diabetes and some cancers. have lower blood pressure. have stronger bones, muscles and joints and lower risk of developing osteoporosis.