Sources
http://www.livestrong.com/article/410680-volleyball-rules-for-high-school-girls/
http://www.ehow.com/about_5191753_girls-volleyball-history.html#ixzz2HtCVfyeZ
http://www.theacc.com/genrel/111005aad.html
http://www.sport-fitness-advisor.com/volleyball-training.html
http://www.strength-and-power-for-volleyball.com/volleyball-conditioning.html
http://www.dynamicchiropractic.com/mpacms/dc/article.php?id=31670
http://www.uptodate.com/contents/rotator-cuff-tendinitis-and-tear-beyond-the-basics
http://www.volleyball.com/rotator_cuff.aspx
http://www.volleyball.com/sports_injuries.aspx
http://www.stopsportsinjuries.org/volleyball-injury-prevention.aspx
http://www.livestrong.com/volleyball-rules/
http://www.ehow.com/about_5191753_girls-volleyball-history.html#ixzz2HtCVfyeZ
http://www.theacc.com/genrel/111005aad.html
http://www.sport-fitness-advisor.com/volleyball-training.html
http://www.strength-and-power-for-volleyball.com/volleyball-conditioning.html
http://www.dynamicchiropractic.com/mpacms/dc/article.php?id=31670
http://www.uptodate.com/contents/rotator-cuff-tendinitis-and-tear-beyond-the-basics
http://www.volleyball.com/rotator_cuff.aspx
http://www.volleyball.com/sports_injuries.aspx
http://www.stopsportsinjuries.org/volleyball-injury-prevention.aspx
http://www.livestrong.com/volleyball-rules/