Erin explains in detail how to train 10 specific areas of the body and mold them into the shapes and curves you want: shoulders, quadriceps, hamstrings, glutes, biceps, triceps, back, chest, calves and abs. She discusses each part in depth — its function, form and tendencies — and gives you expert tips, advanced techniques, and targeted exercises and variations that enable you to transform that part into whatever you want it to be. Using her advice and insider secrets, you can craft your own best physique.