Week 4 of the Super-Man Challenge diet.

Stuck in a leg-training rut? This 6-week program attacks the quads, glutes and hammies from every conceivable angle to build a bigger, stronger lower body.

Science may have just discovered a backdoor to building muscle mass: dropping body fat.

A well-developed set of upper traps is the perfect complement to big deltoids. This workout will increase your "yoke" via dumbbell shrugs and elastic band shrugs.

Week 3 of the Super-Man Challenge diet.

Week 2 of the Super-Man Challenge diet.

Summer Shred Challenge grand prize winner Feather Wright shares the key factors that put her over the top in losing body fat, gaining muscle, getting stronger and transforming her physique.

This JYM Army member overcame being bullied, depression and alcoholism and has a newfound confidence to go along with his upgraded physique and health.

Carve out your six-pack by adding some weight to your exercises with this ab workout.