If you’ve ever been in a big-box gym before, you’ve seen plenty of guys doing classic leg exercises like squats and lunges and deadlifts. But there’s a good chance you’ve also seen a host of ...

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, ...

The leg extension, or knee extension, is a type of strength training exercise. It’s an excellent move for strengthening your quadriceps, which are in the front of your upper legs. Leg extensions are ...

My doctor and personal trainer tell me to avoid the leg extension exercises because they are bad for my knees. I saw your KGW segment where you demonstrated the leg extension exercise with an older ...