Bibliografia

1. Leunig M, Beaulé PE, Ganz R. The concept of femoroacetabular impingement: current status and future perspectives. Clin Orthop Relat Res 2009; 467(3): 616-22.
2. Herndon CH, Heymann CH, Bell DM. Treatment of slipped capital femoral epiphysis by epiphysiodesis and osteoplasty of the femoral neck. J Bone Joint Surg Am 1963; 45: 999-1012.
3. Diesel CV, Ribeiro TA, Scheidt RB, et al. The prevalence of femoroacetabular impingement in radiographs of asymptomatic subjects: a cross-sectional study. Hip Int 2015; 25: 258-63.
4. Leunig M, Beck M, Dora C, et al. Femoroacetabular impingement: trigger for the development of coxarthrosis. Orthopade 2006; 35: 77-84.
5. Ito K, Minka MA 2nd, Leunig M, Werlen S, Ganz R. Femoroacetabular impingement and the cam-effect. A MRI-based quantitative anatomical study of the femoral head-neck offset. J Bone Joint Surg Br 2001; 83(2): 171-6.
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7. Ganz R, Leunig M, Leunig-Ganz K, Harris WH. The etiology of osteoarthritis of the hip: an integrated mechanical concept. Clin Orthop Relat Res 2008; 466: 264-72.
8. Jamali AA, Mladenov K, Meyer DC, et al. Anteroposterior pelvic radiographs to assess acetabular retroversion: high validity of the ‘‘cross-over-sign’’. J Orthop Res 2007; 25: 758-65.
9. Giori NJ, Trousdale RT. Acetabular retroversion is associated with osteoarthritis of the hip. Clin Orthop Relat Res. 2003; 417: 263-9.
10. Siebenrock KA, Wahab KH, Werlen S, et al. Abnormal extension of the femoral head epiphysis as a cause of cam impingement. Clin Orthop Relat Res 2004; (418): 54-60.
11. Lamontagne M, Kennedy MJ, Beaule PE. The effect of cam FAI on hip and pelvic motion during maximum squat. Clin Orthop Relat Res 2009; 467(3): 645-50.
12. Speirs AD, Beaule PE, Rakhra KS, Schweitzer ME, Frei H. Increased acetabular subchondral bone density is associated with cam-type femoroacetabular impingement. Osteoarthritis and Cartilage 2013; 21(4): 551-8.
13. Nötzli HP, Wyss TF, Stoecklin CH, et al. The contour of the femoral headneck junction as a predictor for the risk of anterior impingement. J Bone Joint Surg Br 2002; 84-B(4): 556-60.
14. Guler O, Isyar M, Karataş D, et al. A retrospective analysis on the correlation between hip pain, physical examination findings, and alpha angle on MR images. J Orthop Surg Res 2016; 11(1):140.