Measurement of three-dimensional hand kinematics during swimming with a motion capture system: a feasibility study |
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| Authors: | Tony Monnet Mathias Samson Anthony Bernard Laurent David Patrick Lacouture |
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| Institution: | 1. Institut Pprime, UPR 3346, CNRS, Université de Poitiers-ENSMA, Bvd M&PCurie, BP 30179, 86962, Futuroscope Cedex, France
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| Abstract: | Current trends in swimming biomechanics are focused on accurate measurements. Nowadays, reliable calibration methods have been proposed to reach an accuracy of about 1 mm on rigid structure. But the question remains about the final accuracy for three-dimensional hand kinematics measurement during the underwater phase of front crawl swimming. Furthermore, most research is based on manual tracking with two or more cameras. In this paper we propose a protocol to acquire three-dimensional hand kinematics when swimming in a specific pool with a motion analysis system behind windows. Results highlight the benefits of using such a system in terms of accuracy and feasibility: the time allowed for post-processing is ten times lower and the quantified improved accuracy is better than with manual tracking. |
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