Atraumatic tears of the ligamentum teres are more frequent in professional ballet dancers than a sporting population

Mayes, Susan, Ferris, April-Rose, Smith, Peter, Garnham, Andrew and Cook, Jill 2016, Atraumatic tears of the ligamentum teres are more frequent in professional ballet dancers than a sporting population, Skeletal radiology, vol. 45, no. 7, pp. 959-967, doi: 10.1007/s00256-016-2379-6.

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Title Atraumatic tears of the ligamentum teres are more frequent in professional ballet dancers than a sporting population
Author(s) Mayes, Susan
Ferris, April-Rose
Smith, Peter
Garnham, Andrew
Cook, Jill
Journal name Skeletal radiology
Volume number 45
Issue number 7
Start page 959
End page 967
Total pages 9
Publisher Springer
Place of publication Amsterdam, The Netherlands
Publication date 2016-07
ISSN 1432-2161
Keyword(s) ballet
hip joint
lateral centre edge angle
ligamentum teres
magnetic resonance imaging
Summary OBJECTIVES: To compare the frequency of atraumatic ligamentum teres (LT) tear in professional ballet dancers with that of athletes, and to determine the relationship with clinical and imaging findings. METHODS: Forty-nine male and female professional ballet dancers (98 hips) and 49 age and sex-matched non-dancing athletes (98 hips) completed questionnaires on hip symptoms and physical activity levels, underwent hip rotation range of movement (ROM) and hypermobility testing, and 3.0-Tesla magnetic resonance imaging (3 T MRI) on both hips to detect LT tears, acetabular labral tears, and articular cartilage defects, and to measure the lateral centre edge angles (LCE). RESULTS: A higher frequency of LT tear was found in dancers (55 %) compared with athletes (22 %, P = 0.001). The frequency and severity of LT tears in dancers increased with older age (P = 0.004, P = 0.006, respectively). The Hip and Groin Outcome Score (HAGOS) pain scores or hip rotation ROM did not differ significantly among participants with normal, partial, or complete tears of LT (P > 0.01 for all). Neither the frequency of generalised joint hypermobility (P = 0.09) nor the LCE angles (P = 0.32, P = 0.16, left and right hips respectively) differed between those with and those without LT tear. In most hips, LT tear co-existed with either a labral tear or a cartilage defect, or both. CONCLUSION: The higher frequency of atraumatic LT tears in professional ballet dancers suggests that the LT might be abnormally loaded in ballet, and caution is required when evaluating MRI, as LT tears may be asymptomatic. A longitudinal study of this cohort is required to determine if LT tear predisposes the hip joint to osteoarthritis.
Language eng
DOI 10.1007/s00256-016-2379-6
Field of Research 110602 Exercise Physiology
1103 Clinical Sciences
Socio Economic Objective 920116 Skeletal System and Disorders (incl. Arthritis)
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2016, ISS
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Document type: Journal Article
Collections: Faculty of Health
School of Medicine
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