Plus, being an isolation exercise, it's perfect for focusing on a single muscle, helping to improve strength and muscle mass in the quadriceps. Benefits of the Quadriceps Machine Workout Muscle ...

Not that quad exercises are only good for aesthetics ... for really isolating the quads in the absence of a leg extension machine. How: Loop a resistance band around a rack, or set of heavy ...

Classic Physique's Sam Sulek destroyed his quads with an intense workout as he navigates his first off-season as an IFBB Pro ...