Walking has become a popular activity. Besides being an excellent form of exercise, it is an ideal activity. Its flexibility allows it to be practiced almost in all circumstances and places. It's free, safe and effective. No need for special skills or training. Despite this less than 10% of the U.S. population does exercises three or four times a week.
Overall, walking and its derivations surface as the most widely studied, feasible, safe, accessible, and economical mode of aerobic training for men and women of most ages and states of health (Ogilvie, Foster and Rothnie, 2007). ...