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Proceedings Paper

NIR tracking assists sports medicine in junior basketball training
Author(s): Roberts Paeglis; Kristaps Bluss; Andris Rudzitis; Andris Spunde; Tamara Brice; Edgars Nitiss
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Paper Abstract

We recorded eye movements of eight elite junior basketball players. We hypothesized that a more stable gaze is correlated to a better shot rate. Upon preliminary testing we invited male juniors whose eyes could be reliably tracked in a game situation. To these ends, we used a head-mounted video-based eye tracker. The participants had no record of ocular or other health issues. No significant differences were found between shots made with and without the tracker cap, Paired samples t-test yielded p= .130 for the far and p=..900 > .050 for the middle range shots. The players made 40 shots from common far and middle range locations, 5 and 4 meters respectively for aged 14 years As expected, a statistical correlation was found between gaze fixation (in milliseconds) for the far and middle range shot rates, r=.782, p=.03. Notably, juniors who fixated longer before a shot had a more stable fixation or a lower gaze dispersion (in tracker's screen pixels), r=-.786, p=.02. This finding was augmented by the observation that the gaze dispersion while aiming at the basket was less (i.e., gaze more stable) in those who were more likely to score. We derived a regression equation linking fixation duration to shot success. We advocate infra-red eye tracking as a means to monitor player selection and training success.

Paper Details

Date Published: 14 June 2011
PDF: 6 pages
Proc. SPIE 8090, Novel Biophotonic Techniques and Applications, 80900T (14 June 2011); doi: 10.1117/12.889308
Show Author Affiliations
Roberts Paeglis, Biomechanics and Physical Research Institute (Latvia)
Kristaps Bluss, Biomechanics and Physical Research Institute (Latvia)
Andris Rudzitis, Latvian Academy of Sports Education (Latvia)
Andris Spunde, Latvian Academy of Sports Education (Latvia)
Tamara Brice, Univ. of Latvia (Latvia)
Edgars Nitiss, Biomechanics and Physical Research Institute (Latvia)


Published in SPIE Proceedings Vol. 8090:
Novel Biophotonic Techniques and Applications
Henricus J. C. M. Sterenborg; I. Alex Vitkin, Editor(s)

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