Glossary · Injury & Prevention
When femoral head and socket meet where they shouldn't
Hip impingement, also known as femoroacetabular impingement (FAI), describes a mechanical conflict between the femoral neck and the rim of the hip socket, favored by bony shape variations of one or both structures. It can lead to restricted movement and irritation of the labrum – the ring of cartilage lining the socket – though it does not necessarily cause symptoms: hips without complaints can show the same shape variations.
Dance forms such as ballet require a degree of hip mobility – for turnout, développé, grand écart, or a high arabesque – that regularly pushes the anatomical limits of the hip joint. Interestingly, studies show that professional dancers with FAI symptoms often present less pronounced bony shape variations than non-dance athletes with comparable symptoms – here, complaints appear to arise more from the repeated movement at the very edge of the joint's range of motion itself. A typical pattern is sharp or pulling groin pain during deep hip flexion, for example in passé or développé, or a snapping sensation at the front of the hip, which should be distinguished from snapping hip syndrome. Dancers often try to compensate for limited hip mobility by forcing rotation through the knee or foot, which can place additional strain on the hip joint. Symptoms tend to develop gradually and are initially easy to mistake for general muscular fatigue.
Because forced turnout and compensatory movement patterns can place additional strain on the hip joint over the years, recognizing individual mobility limits early is a central concern of CENIT e.V.'s prevention work. Understanding one's own hip anatomy and adapting movement accordingly, rather than forcing it, can help prevent overload reactions and protect a dance career in the long run.
This entry serves to convey knowledge in a prevention context and is not a substitute for medical diagnosis or advice. For persistent groin or hip pain, we recommend consulting professionals experienced in dance medicine – for example through ta.med's referral network or the resources provided by IADMS, including their work on turnout anatomy.
Fraser JL et al. Bony Morphology of Femoroacetabular Impingement in Young Female Dancers and Single-Sport Athletes. Orthop J Sports Med. 2017;5(8). doi.org/10.1177/2325967117723108 · Mayes S et al. Bony morphology of the hip in professional ballet dancers compared to athletes. Eur Radiol. 2016;26(7):2467–2474. doi.org/10.1007/s00330-016-4667-x · IADMS Resource Paper: Turnout for Dancers – Hip Anatomy and Factors Affecting Turnout. International Association for Dance Medicine & Science. iadms.org
