Abstract
Context:In vivo scapular kinematics during humeral movements are commonly assessed with electromagnetic tracking devices despite few published data related to reliability and precision of these measurements.Objective:To determine the intrasession reliability and precision of assessing scapular kinematics using an electromagnetic tracking device.Design:Scapular position and orientation were measured with an electromagnetic tracking device during humeral elevation/depression in several planes. Intrasession reliability and precision were established by comparing 2 trials performed in succession.Setting:A human-movement research laboratory.Participants:15 healthy individuals.Main Outcome Measures:Intrasession intraclass correlation coefficients and standard error of measurement of all scapular variables were established.Results:The mean intrasession reliability for all variables was ICC = .97 ± .03. The mean intrasession precision was .99° ± .36°.Conclusions:In vivo scapular kinematics can be measured with high reliability and precision during intrasession research designs.
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