Because slow-speed bodyweight exercises are so physically demanding, take at least one rest day between training sessions. Keep careful records of your performance progress, and be sure to reward yourself when you reach your exercise goals.

Wayne L. Westcott, Ph.D., is fitness research director at the South Shore YMCA in Quincy, MA., and author of several books including the new releases Strength Training Past 50 and Strength and Power for Young Athletes.