11. Coppieters MW, Alshami AM, Babri AS, Souvlis T, Kippers V, Hodges PW: Strain and excursion of the sciatic, tibial and plantar nerves during a modified straight leg raise test. J Orthop Res 2006; 24: 1883–9

12. De Sa, Alradwan H, Cargnelli S et al.: Extra articular hip impingement: a systematic review examining operative treatment of psoas, subspine, ischiofemoral, and greater trochanter/pelvic impingement. Arthroscopy 2014; 30: 1026–41

13. Dezawa A, Kusano S, Miki H: Arthroscopic release of the piriformis muscle under local anesthesia for piriformis syndrome. Arthroscopy 2003; 19: 554–7

14. Di Lorenzo L Jennifer Y, Pappagallo M: Psoas impingement syndrome in hip osteoarthritis. J Bone Spine 2009; 76: 98–100

15. Domb BG, Shindle MK, McArthur B, Voos JE, Magennis EM, Kelly BT: Iliopsoas impingement: a newly identified cause of labral pathology in the hip. HSS J 2011; 7: 145–50

16. Ganz R: The lesser trochanter as a cause of hip impingement: pathophysiology and treatment options. Hip Int 2013; 23: 35–41

17. Hapa O, Bedi A, Gursan O et al.: Anatomic footprint of the direct head of the rectus femoris origin: cadaveric study and clinical series of hips after arthroscopic anterior inferior iliac spine/subspine decompression. Arthroscopy 2013; 29: 1932–40

18. Hetseroni I, Larson CM, Dela Torre K, Zbeda RM, Magennis E, Kelly BT: Anterior inferior iliac spine deformity as an extra-articular source for hip impingement: a series of 10 patients treated with arthroscopic decompression. Arthroscopy 2012; 28: 1644–53

19. Hetseroni I, Poultsides L, Bedi A, Larson CM, Kelly BT: Anterior inferior iliac spine morphology correlates with hip range of motion: a classification system and dynamic model. Clin Orthop 2013; 471: 2497–503

20. Hufeland M, Hartwig T, Krüger D, Perka C, Haas NP, Schröder JH: Arthroscopic correction of extra-articular subspinal impingement in the hip joint. Orthopaede 2013; 10: 879–83

21. Ilizaliturri VM, Arriaga Sánchez R, Suarez-Ahedo C: Arthroscopic decompression of a type III subspine impingement. Arthrosc Tech 2016; 6: 1425–31

22. Johnson KA: Impingement of the lesser trochanter on the ischial ramus after total hip arthroplasty. Report of three cases. J Bone Joint Surg Am 1977; 59: 268–9

23. Krueger DR, Windler M, Geßlein M, Schuetz M, Perka C, Schroeder JH: Is the evaluation of the anterior inferior iliac spine (AIIS) in the AP pelvis possible? Analysis of conventional X-rays and 3D-CT reconstructions. Arch Orthop Trauma Surg 2017; 7: 975–80

24. Larson CM, Kelly BT, Stone RM: Making a case for anterior inferior iliac spine/subspine hip impingement: three representative case reports and proposed concept. Arthroscopy 2011; 27: 1732–7

25. Larson CM, Giveans MR, Samuelson KM, Stone RM, Bedi A: Arthroscopic hip revision surgery for residual femoroacetabular impingement (FAI): surgical outcomes compared with a matched cohort after primary arthroscopic FAI correction. Am J Sports Med 2014; 8: 1785–90

26. May O, Boyer T, Dorfman H: Pectineofoveal pathology and arthroscopic treatment. Rev Chir Orthop Reparatrice Appar Mot 2004; 90: 182

27. National joint registry 2015: NJR online annual report 2015. www.njrcentre.org.uk/njrcentre/
Portals/0/Documents/England/
Reports/12th%20annual%20report/
NJR%20Online%20Annual%20
Report%202015.pdf (letzter Abruf am 04.06.2019)

28. Pan H, Kawanabe K, Akiyama H, Goto K, Onishi E, Nakamura T: Operative treatment of hip impingement caused by hypertrophy of the anterior inferior iliac spine. J Bone Joint Surg Br 2008; 90: 677–9

29. Safran M, Ryu J: Ischiofemoral impingement of the hip: a novel approach to treatment. Knee Surg Sports Traumatol Arthrosc 2014; 22: 781–5

30. Siebenrock KA, Steppacher SD, Haefeli PC, Schwab JM, Tannast M: Valgus hip with high antetorsion causes pain through posterior extraarticular FAI. Clin Orthop Rel Res 2013; 471: 3774–80

31. Torriani M, Souto SC, Thomas BJ, Ouellette H, Bredella MA: Ischiofemoral impingement syndrome: an entity with hip pain and abnormalities of the quadrates femoris muscle. AJR Am J Roentgenol 2009: 193: 186–90

32. Wall EJ, Massie JB, Kwan MK, Rydevik BL, Myers RR, Garfin SR: Experimental stretch neuropathy. Changes in nerv conduction under tension. J Bone Joint Surg (Br) 1992; 74: 126–9

33. Winston P, Awan R, Cassidy JD, Bleakney RK: Clinical examination and ultrasound of self reported snapping hip syndrome in elite ballet dancers. Am J Sports Med 2007; 35: 118–26

Korrespondenzadresse

Prof. Dr. Michael Bohnsack

Klinik für Orthopädie und
Unfallchirurgie, DIAKO Bremen

Gröpelinger Heerstr. 406–408

28239 Bremen

m.bohnsack@diako-bremen.de