Exercise the quadriceps muscle with quad extensions. Learn about increasing leg strength in this training video. Take action: keep core tight, squeeze legs at top of movement, but only legs will move. Michelle, the instructor in this how-to video, is a personal trainer at a gy ...more
Last time we looked at the Hamstring Curl on the ball. A good complement to this exercise is the Quad Extension. The knee extension in this exercise definitely works your quads but also involves the upper body, abs and core.