Brill is a physical therapist whose focus is on the muscles at the core of the body–the muscles in the back, hips, and abdomen. She demonstrates in clear, step-by-step photos how to perform each of the exercises in all three of the workouts provi…
Brill is a physical therapist whose focus is on the muscles at the core of the body–the muscles in the back, hips, and abdomen. She demonstrates in clear, step-by-step photos how to perform each of the exercises in all three of the workouts provi…
