Prevalence of increased alpha angles as a measure of cam-type femoroacetabular impingement in youth ice hockey players.
Philippon MJ, Ho CP, Briggs KK, Stull J, LaPrade RF. Prevalence of increased alpha angles as a measure of cam-type femoroacetabular impingement in youth ice hockey players. Am J Sports Med. 2013 Jun; 41(6):1357-62.