Seated Knee Strengthening Exercise - for the Quadriceps & Patella to Help Reduce Knee Pain

Seated Knee Strengthening Exercise - for the Quadriceps & Patella to Help Reduce Knee Pain http://www.Centerworks.com Use this simple seated knee strengthening exercise to help keep the quadriceps muscle strong and improve the strength of the muscl...

Original article and pictures take http://www.youtube.com/watch?v=_4V98orIqko site