Leg extensions are one of the most effective exercises for isolating the quadriceps. Unlike compound movements like squats or lunges, the leg extension machine specifically targets the knee joint, ...

Before you begin this exercise, you must first prep. Sit straight with your feet shoulder-width apart. Point them straight ahead. With your elbows bent, take hold of your dumbbells (or cable handles, ...

But as Athlean-X creator Jeff Cavaliere, C.S.C.S. explains in a new video, the quarter squat can offer some genuine benefits on leg dayprovided you're doing them properly. Plenty of athletes practice ...