How often does The American College of Sports Medicine recommend exercising for cardiorespiratory fitness? a. Two to three nonconsecutive days per week b. At least an hour per day c. Enough to feel tightness d. Five to seven days per weekHow often does The American College of Sports Medicine recommend strength training? a. Two to three nonconsecutive days per week b. At least an hour per day c. Enough to feel tightness d. Five to seven days per week