Professional Pitchers With Glenohumeral Internal Rotation Deficit (GIRD) Display Greater Humeral Retrotorsion Than Pitchers Without GIRD.
Noonan TJ, Shanley E, Bailey LB, Wyland DJ, Kissenberth MJ, Hawkins RJ, Thigpen CA. Professional Pitchers With Glenohumeral Internal Rotation Deficit (GIRD) Display Greater Humeral Retrotorsion Than Pitchers Without GIRD. Am J Sports Med. 2015 Jun; 43(6):1448-54.