The purpose of this preliminary study was to establish if magnitudes of centre of mass (COM) acceleration captured using 3D mobile markerless motion capture (MMC) technology would elicit comparable data to a standard 3D Motion Capture (MOCAP) system in freestyle halfpipe snowboarding. Raw data pertaining COM acceleration was verified in a laboratory condition as two international-level athletes performed a simulated freestyle halfpipe on a trampoline. Raw COM acceleration data from the mobile application was reported in the local reference frame and showed high correlation MOCAP (t =0.74, f = 20.21) with small effects (n² = 0.17) with no significance difference found. The results provide opportunity for coaches to measure COM acceleration with confidence in training situations while providing scope for further research in dynamic field-based environments.
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