
Physical effects of running
Dr. Ivo Belan The US President's Council on Physical Fitness and Sports asked seven top recreation experts to rank popular sports based on how much they contribute to cardiovascular and respiratory endurance, muscle strength and flexibility, mental balance, and general physical well-being (e.g., weight control, digestion, sleep). Their report found that running ranked first, followed by cycling, swimming, and handball; tennis and walking were in the middle of the table,