Understanding hip pathology in ballet dancers.

Knee Surg Sports Traumatol Arthrosc

Department of Trauma and Orthopaedics, Young Adult Hip Service, Addenbrooke's-Cambridge University Hospital, Box 37, Hills Road, Cambridge, CB2 0QQ, UK.

Published: October 2022

AI Article Synopsis

  • The literature evaluates hip injuries in ballet dancers, focusing on the prevalence of hip morphological abnormalities compared to the general population, risk factors for injuries, and outcomes of different intervention strategies.
  • A systematic search of studies yielded 445 articles, with 35 final analyses encompassing 1,655 participants, revealing a higher occurrence of chondrolabral junction damage and degenerative hip disease in dancers than in others.
  • The findings indicate that ballet dancers face specific risk factors for hip injuries, suggesting a need for further research on osseous abnormalities and injury prevention strategies.

Article Abstract

Purpose: The literature on hip injuries in ballet dancers was systematically evaluated to answer (1) whether the prevalence of morphological abnormalities and pathology of hip injuries in dancers differs from the general population (2) if there are any specific risk factors which contribute to a higher rate of hip injury and (3) what are the outcomes of primary and secondary intervention strategies.

Methods: A systematic literature search of Medline, EMBASE and the Cochrane Library was undertaken for all literature relating to hip injuries in ballet dancers using the PRISMA guidelines. Reference lists were also searched for relevant literature. Clinical outcome studies, prospective/retrospective case series published between 1989 and October 2021 were included. Review articles (non-original data), case reports, studies on animals as well as book chapters were excluded.

Results: The search yielded 445 studies, of which 35 were included for final analyses after screening. This included 1655 participants, of which 1131 were females. The analyses revealed that damage at the chondrolabral junction and degenerative disease of the hip may develop at a higher rate in ballet dancers than in the general population (odds ratio > 1 in 15/18 cohorts). The intra-articular lesions were more frequently found in postero-superior region of the hip suggesting an alternative impingement mechanism. Furthermore, numerous risk factors specific for hip injury in ballet were highlighted amidst a wide body of literature which consistently reports risk factors for a more generic 'dancer vulnerability'.

Conclusion: Ballet dancers may suffer from both higher rates of chondrolabral damage and degenerative disease in their hips. In contrast to other sports, the intra-articular lesions are more frequently found in postero-superior region of the hip. Future research clarifying the prevalence of osseous abnormalities and prevention strategies in dancers may be pivotal in delaying the development of hip disease in this cohort.

Level Of Evidence: Level IV.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9464154PMC
http://dx.doi.org/10.1007/s00167-022-06928-1DOI Listing

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