Physical activity of relatively low intensity that depends primarily on the aerobic energy-generating process; during activity, the aerobic metabolism uses oxygen to adequately meet energy demands during exercise.

Physical activity that is of high-intensity which utilizes the anaerobic metabolism of the body.

Physical activity that is engaged to help maintain posture and balance.

Physical activity that is engaged in to improve joint and muscle flexibility.

Any physical activity engaged in for recreational purposes. Examples may include ballroom dancing, roller skating, canoeing, fishing, etc.

Any physical activity engaged in for job-related purposes. Examples may include waiting tables, maid service, carrying a mailbag, picking fruits or vegetables, construction work, etc.

Physical activity that is engaged in to improve muscle and bone strength. Also referred to as resistance training.