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Demonstration of (a) the impingement test, performed by passively moving the hip joint into 90o of flexion, internal rotation, and adduction, and (b) the FABER test. Both tests are considered positive if groin pain is produced (Reproduced with permission from Troelsen et al., Acta Orthop 2009; 80 (3): 314-8).
A: acetabulum; FH: femoral head.
