• Duncan A Reid, Rebecca J Vanweerd, Peter J Larmer, and Rachel Kingstone.
• Health and Rehabilitation Research Institute, School of Rehabilitation and Occupation Studies, Auckland University of Technology, New Zealand. Electronic address: duncan.reid@aut.ac.nz.
• J Sci Med Sport. 2015 May 1; 18 (3): 353-7.

ObjectivesTo establish the inter- and intra-rater reliability of the Netball Movement Screening Tool, for screening adolescent female netball players.DesignInter- and intra-rater reliability study.MethodsForty secondary school netball players were recruited to take part in the study. Twenty subjects were screened simultaneously and independently by two raters to ascertain inter-rater agreement. Twenty subjects were scored by rater one on two occasions, separated by a week, to ascertain intra-rater agreement. Inter and intra-rater agreement was assessed utilising the two-way mixed inter class correlation coefficient and weighted kappa statistics.ResultsNo significant demographic differences were found between the inter and intra-rater groups of subjects. Inter class correlation coefficients' demonstrated excellent inter-rater (two-way mixed inter class correlation coefficients 0.84, standard error of measurement 0.25) and intra-rater (two-way mixed inter class correlation coefficients 0.96, standard error of measurement 0.13) reliability for the overall Netball Movement Screening Tool score and substantial-excellent (two-way mixed inter class correlation coefficients 1.0-0.65) inter-rater and substantial-excellent intra-rater (two-way mixed inter class correlation coefficients 0.96-0.79) reliability for the component scores of the Netball Movement Screening Tool. Kappa statistic showed substantial to poor inter-rater (k=0.75-0.32) and intra-rater (k=0.77-0.27) agreement for individual tests of the NMST.ConclusionsThe Netball Movement Screening Tool may be a reliable screening tool for adolescent netball players; however the individual test scores have low reliability. The screening tool can be administered reliably by raters with similar levels of training in the tool but variable clinical experience. On-going research needs to be undertaken to ascertain whether the Netball Movement Screening Tool is a valid tool in ascertaining increased injury risk for netball players.Copyright © 2014 Sports Medicine Australia. Published by Elsevier Ltd. All rights reserved.

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