The body is in a modified lunge position, with the front leg bent and the back leg straight. Arms are straight and parallel, reaching upward, palms together. Don't: Push the knee too far over the ankle. When the knee goes too far forward, the knee joint is in a precarious position. This puts strain on the kneecap and the knee joint, possibly causing pain. It's like building a structure you don't want to have boards on an angle, you want to have a square foundation.
Glenn Koenig / Los Angeles Times
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