Readers learn about the importance of resistance training, which increases strength and endurance while working on your muscles and making them larger. After studying the three main methods of resistance training, which are free weights, resistance machines, and individual body weight, readers are taught how to pick the best practice for their individual needs and goals and are given sample exercises. This book also teaches students the science behind weight lifting and explains the function of different muscles so that students are able to understand what parts of their bodies they're training. This text ends with a focus on yoga and stretching to increase flexibility, a key component of strength.