Meredith Shirk is known for her quick, strength-boosting workouts, often demonstrated from the poolside of her stunning home or by one of her numerous trainers in the studio. Here at woman&home, we've ...

One and Done Workout by Meredith Shirk uses these specialized S.I.T. exercises to raise the body's temperature while the rest time helps in a speedy recovery. When this procedure is repeated, the body ...