Utkatasana (Chair Pose)

Utkatasana (Chair Pose) 

Benefits:This pose strengthens your hamstrings, a key support structure for your knees.   How to do it:Start in Tadasana (Mountain Pose). Bring your arms up straight, palms facing inward. Bend your knees as close to parallel to the floor as possible. Stay in the pose 30 seconds to one minute.