Elbow, Back or Hip
These muscles tend to carry stress and need to be stretched on a regular basis.
Stone, K.R., A.W. Walgenbach, A. Freyer, T.J. Turek, and D.P. Speer. 2006.
Platelet-Rich Plasma (PRP) is blood plasma that has been enriched with platelets.
Stone K.R., A.W. Walgenbach, A. Freyer. 2008.