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.
Stone, K.R., Pelsis J.R., Adelson W.S., Walgenbach, A.W. 2010.
A new treatment to replace the entire cartilage surface