USA Fitness Plans Manual Author:John Erickson, NASM Fitness Trainer The USA Fitness Plans manual is a personal training companion that you can use in your home or gym. Each core-directed exercise selected and presented by John Erickson, your physical fitness director emphasizes the central part of your body to maximize your athletic potential. All movements start from the core. John Erickson does not believe in ... more »industrialized fitness the use of heavy machinery and equipment that puts your body in a steel cage. Using freestanding or stability ball movements are the best way to strengthen your body from the ground up. The USA Fitness Plans manual is a beginner to advanced guide that utilizes bodyweight exercises as well as stability ball, medicine ball and band exercises to achieve your fitness goals.« less