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Hip injuries in dancer athletes due to biomechanical loading: a systematic review
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1  Biomechanics Laboratory, University of the Peloponnese, Physiotherapy Department, Sparta, Greece
Academic Editor: Franz Konstantin Fuss

Abstract:

Introduction: Professional dancers are particularly susceptible to the occurrence of pathologies in their lower limbs and especially in the hip joint due to biomechanical stress. These injuries are the result of a variety of factors and require a specific treatment method. The purpose of this review is to document these injuries, identify the factors that are responsible for their occurrence, and present the recommended treatment approaches.

Methodology: This research was conducted by searching the PubMed, ScienceDirect, and Google Scholar databases using keywords and key phrases such as "hip disorders", "dancer's hip", and "musculoskeletal loading". The resulting data were collected and evaluated according to the PRISMA guidelines.
Results and Discussion: The total number of studies included in the review was 44. Of these, 28 were related to hip pathologies in dancers, 7 were related to causative factors, 7 described types of proposed treatments, and 2 provided general information about dancing. Although dancers are quite prone to injuries, the studies conducted on this subject are limited. Hip pathologies occupy up to 50% of cases and may be due to hyperextension or a direct impact on the joint. The most prevalent conditions include snapping hip syndrome, femoroacetabular impingement syndrome, acetabular labral tears, bursitis, and fatigue fractures due to stress on the joint. The above injuries are likely to occur due to factors associated with the excessive range of motion of the joint and the forces it is exposed to, high training loads, hyperactivity, the laxity of a dancer's joints, gender, age, and BMI. When treating dancers' injuries, a conservative approach is the preferred strategy. Surgical treatment is frequently avoided due to the prolonged recovery period following surgery.
Conclusion: Dancer’s hip injuries, due to biomechanical loading, the factors that predispose individuals to their occurrence, and the proposed rehabilitation methods, require further research to improve the validity and reliability of the current findings.

Keywords: Hip biomechanics, Hip kinematics and kinetics, dancers hip injuries, dancers' hip loading
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