The powerlifter, U.S. Marine, and academic Fred Hatfield reportedly spent years squatting “only” 550 lbs. He felt he was “wallowing in mediocrity” at that weight, so he scrutinized the movement.

Politics has made Hunter Hess a name at the Milan Cortina Winter Olympics. But it’s proprioception that could gain him a medal. One of the best halfpipe freeskiers in the world, Hess, 27, throws 1620s ...

Proprioception is the body’s ability to sense its location, movements, and actions. Some health conditions can affect your proprioception and may require treatment, including physical therapy.

Stand on one leg, extend the other leg forward, squat down while keeping the raised leg straight, then rise back up. Balance and control are key. Pistol squats develop strength and muscular endurance ...