Perhaps you should read a book written by experts in the field. Fahey, Insel and Roth’s Fit & Well: Core Concepts and Labs in Physical Fitness and Wellness seems to be one of those.
Perhaps you should read a book written by experts in the field. Fahey, Insel and Roth’s Fit & Well: Core Concepts and Labs in Physical Fitness and Wellness seems to be one of those.