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Hello. I am a third year podiatry student (still feel like a second!!) doing my first research proposal. I was hoping to research the prevention of lateral ankle sprains in female ballet dancers. Having started to do the research I have found a great deal about sport and prevention of sprains but not too much specific to ballet. Can anybody please let me know where I can get relevent papers? I dont have access to the Journal of Dance Medicine and Science (without paying for each paper ) Also any tips on actually writing the proposal? Thank you - Fiona
OBJECTIVE:: To identify intrinsic predictors of lateral ankle sprain. DESIGN:: Prospective cohort study. SETTING:: A performing arts secondary school and a dance school. PARTICIPANTS:: One hundred fifteen adolescent dancers (94 female and 21 male) entered the study. One ankle of each dancer was randomly assigned to a test group (n = 114), and the other was assigned to a validation group (n = 112). PREDICTORS:: Eighteen measures, including age, dance history, previous ankle sprain, ankle and foot laxity and range of motion, and balance from test ankles were entered into a backwards stepwise Cox regression model. The model generated with the test group was used to predict ankle sprains in the validation group.
MAIN OUTCOME MEASURE:: Time to first lateral ankle sprain. RESULTS:: An increased risk of sprain in the test group was predicted by younger age [hazard ratio (HR) = 0.65, 95% CI 0.45-0.94], previous sprain of the contralateral ankle (HR = 3.76, CI 1.24-11.40), increased passive inversion range (HR = 1.06, CI 1.00-1.12), and inability to balance on demipointe (HR = 3.75, CI 1.02-13.73). Of these predictors, only previous sprain of the contralateral ankle significantly predicted ankle sprain in the validation group (HR = 3.90, CI 1.49-10.22). The predictive accuracy of this variable was not strong (positive likelihood ratio of 2.01 and negative likelihood ratio of 0.45).
CONCLUSION:: A history of previous lateral ankle sprain is associated with an increase in the risk of future sprain of the contralateral ankle.