The validity of using inertial measurement units to monitor the torso and pelvis sagittal plane motion of elite rowers

Brice, Sara, Millett, Emma L., and Philippa, Bronson (2022) The validity of using inertial measurement units to monitor the torso and pelvis sagittal plane motion of elite rowers. Journal of Sports Sciences, 40 (8). pp. 950-958.

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Abstract

In elite sport, inertial measurement units (IMUs) are being used increasingly to measure movement in-field. IMU data commonly sought are body segment angles as this gives insights into how technique can be altered to improve performance and reduce injury risk. The purpose of this was to assess the validity of IMU use in rowing and identify if IMUs are capable of detecting differences in sagittal torso and pelvis angles that result from changes in stroke rates. Eight elite female rowers participated. Four IMUs were positioned along the torso and over the pelvis of each athlete. Reflective markers surrounded each IMU which were used to compute gold-standard data. Maxima, minima, angle range and waveforms for ten strokes at rates of 20, 24, 28 and 32 strokes per minute were analysed. Root mean square errors as a percentage of angle range fell between 1.44% and 8.43%. In most cases when significant differences (p < 0.05) in the angles were detected between stroke rates, this was observed in both IMU and gold-standard angle data. These findings suggest that IMUs are valid for measuring torso and pelvis angles when rowing and are capable of detecting differences that result from changes in stroke rate.

Item ID: 72650
Item Type: Article (Research - C1)
ISSN: 1466-447X
Keywords: rowing, biomechanics, engineering, measurement
Copyright Information: © 2022 Informa UK Limited, trading as Taylor & Francis Group. This is an Accepted Manuscript of an article published by Taylor & Francis in Journal of Sports Sciences on 24 February 2022, available at: http://www.tandfonline.com/10.1080/02640414.2022.2042146.
Date Deposited: 13 Jun 2022 05:44
FoR Codes: 42 HEALTH SCIENCES > 4207 Sports science and exercise > 420701 Biomechanics @ 50%
51 PHYSICAL SCIENCES > 5105 Medical and biological physics > 510501 Biological physics @ 50%
SEO Codes: 28 EXPANDING KNOWLEDGE > 2801 Expanding knowledge > 280112 Expanding knowledge in the health sciences @ 50%
28 EXPANDING KNOWLEDGE > 2801 Expanding knowledge > 280120 Expanding knowledge in the physical sciences @ 50%
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