Elbow, Back or Hip
These are great exercises for runners and cyclists to do before and after workouts.
Stone, K.R., A.W. Walgenbach, A. Freyer, T.J. Turek, and D.P. Speer. 2006.
A new treatment to replace the entire cartilage surface
Stone K.R., A.W. Walgenbach, A. Freyer. 2008.