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EUROPEAN COLLEGE OF SPORT SCIENCE
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Introduction Netball is a sport that places high physical demands on players, requiring them to perform jumping, bounding, pivoting and cutting manoeuvres at high speed. Ankle injuries account for approximately 40% of all netball injuries, with sprains being the most diag- nosed ankle injury (Fong et al., 2007). The identification of risk factors that predict the occurrence of ankle sprains within netball is neces- sary for the development of future prevention programs. Methods Ninety-six netball players were assessed prior to the netball season for the following outcome variables; vertical jump, perceived ankle instability, previous sprain history, arthrometry inversion-eversion angles, star excursion balance test (SEBT) reach distances, number of foot lifts during unilateral stance and demi-pointe balance test. Participants were followed for one netball season and ankle sprains were determined using a time-loss injury definition. A forward sequential logistic regression model determined outcome variable risk factor status. Results Eleven ankle sprains were reported by eleven players. Three outcome variables made a statistically unique contribution to ankle sprain risk; a posterior-medial reach distance of ≤77.5 % of leg length in the SEBT (OR=3.87, 95% CI=0.90-16.60), an inversion-eversion arthrometry angle of ≥36.8 degrees (OR=3.86, 95% CI=0.95-15.64) and an inability to maintain unilateral static balance during the demi-pointe balance test (OR=3.46, 95% CI = 0.87-13.80). Possessing all three risk factors would render a player 52 times more likely to sustain an ankle sprain. Discussion The posterior-medial reach distance, which is considered to be the most representative of overall SEBT performance (Hertel et al., 2006), was found to be a risk factor for ankle sprain. Research to create a risk profile screening tool for netball injuries has questioned the inclusion of the SEBT in the assessment (Reid et al., 2014). The current study refutes this and suggests that the posterior-medial direction of the SEBT should remain within the proposed screening tool. Two of the three identified risk factors were balance tests that could be easily administered during preseason prepara- tions for the identification of ‘at-risk’ players. Interestingly, a previous ankle sprain and the presence of perceived ankle instability had no association with the ankle sprains sustained by the netball players. References Fong DT, Hong Y, Chan LK, Yung P, Chan KM (2007) Sp Med, 37(1), 73-94 Hertel J, Braham R, Hale S, Olmsted-Kramer L (2006) J Orthop Sports Phys Ther, 36(3), 131-7 Reid D, Vanweerd R, Larmer P, Kingstone R (2014) J Sci Med Sport, DOI:10.1016/j.jsams.2014.05.008 Contact aatt4376@uni.sydney.edu.au
Radmann, A., Hedenborg, S., Tsolakidis, E. - Personal Name
978-91-7104-567-6
NONE
Social Science
English
2015
1-628
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