Hurd, W. J., Kaplan, K. M. ., ElAttrache, N. S., Jobe, F. W., Morrey, B. F., & Kaufman, K. R. (2011). A profile of glenohumeral internal and external rotation motion in the uninjured high school baseball pitcher. Part I: Motion. Journal of athletic training, 46(3), S. 282-288. http://www.nata.org/sites/default/files/JAT-46-3-10-hurd-pt1-282-288.pdf

Hurd, Wendy J., Kevin M. Kaplan, Neal S. ElAttrache, Frank W. Jobe, Bernard F. Morrey, and Kenton R. Kaufman. "A Profile of Glenohumeral Internal and External Rotation Motion in the Uninjured High School Baseball Pitcher. Part I: Motion." Journal of Athletic Training 46, no. 3 (2011): S. 282-288.

Hurd, Wendy J., et al. "A Profile of Glenohumeral Internal and External Rotation Motion in the Uninjured High School Baseball Pitcher. Part I: Motion." Journal of Athletic Training 46.3 (2011): S. 282-288.