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The aim of this study was to establish the validity and reliability of gyroscope sensors contained within three different inertial measurement units (IMU). Three IMUs (OptimEye, I Measure U and Logger A) were fixed to a mechanical calibration device that rotates through known angular velocities and positions. RMS scores for angular displacement, which were calculated from the integrated angular velocity vectors, were 3.85\u00b0 \u00b1 2.21\u00b0 and 4.34\u00b0 \u00b1 2.57\u00b0 for the OptimEye and IMesU devices, respectively. The RMS error score for the Logger A was 22.76\u00b0 \u00b1 23.22\u00b0, which was attributed to a large baseline shift of the angular velocity vector. After a baseline correction of all three devices, RMS error scores were all below 3.90\u00b0. Test re-test reliability of the three gyroscope sensors were high with coefficient of variation (CV%) scores below 2.5%. Overall, the three tested IMUs are suitable for measuring angular displacement of snow sports manoeuvres after baseline corrections have been made. Future studies should investigate the accuracy and reliability of accelerometer and magnetometer sensors contained in each of the IMUs to be used to identify take-off and landing events and the orientation of the athlete at those events.<\/jats:p>","DOI":"10.2478\/ijcss-2020-0004","type":"journal-article","created":{"date-parts":[[2020,7,3]],"date-time":"2020-07-03T06:11:37Z","timestamp":1593756697000},"page":"51-59","source":"Crossref","is-referenced-by-count":8,"title":["Validation of gyroscope sensors for snow sports performance monitoring"],"prefix":"10.2478","volume":"19","author":[{"given":"Cameron","family":"Ross","sequence":"first","affiliation":[{"name":"Snow Sports New Zealand , Wanaka , New Zealand"},{"name":"School of Physical Education, Sport and Exercise Sciences , University of Otago , Dunedin , New Zealand"},{"name":"High Performance Sport New Zealand , Auckland , New Zealand"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Peter","family":"Lambs","sequence":"additional","affiliation":[{"name":"School of Physical Education, Sport and Exercise Sciences , University of Otago , Dunedin , New Zealand"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Paul","family":"McAlpine","sequence":"additional","affiliation":[{"name":"High Performance Sport New Zealand , Auckland , New Zealand"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Gavin","family":"Kennedy","sequence":"additional","affiliation":[{"name":"School of Physical Education, Sport and Exercise Sciences , University of Otago , Dunedin , New Zealand"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Chris","family":"Button","sequence":"additional","affiliation":[{"name":"School of Physical Education, Sport and Exercise Sciences , University of Otago , Dunedin , New Zealand"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"374","published-online":{"date-parts":[[2020,6,29]]},"reference":[{"key":"2026042806550530133_j_ijcss-2020-0004_ref_001_w2aab3b7b7b1b6b1ab1ab1Aa","doi-asserted-by":"crossref","unstructured":"Atkinson, G., & Nevill, A. 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