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Does Dehydration alter the Success Rate and Technique of Three-Point Shooting in Elite Basketball?

1
French National Institute of Sport, Expertise and Performance, Sport, Expertise and Performance Lab., EA7370 Paris, France
2
ESO Paris, Superior School of Osteopathy, 75012 Paris, France
3
Centre de Recherche sur le Sport et le Mouvement (EA 2931), Université de Paris 10, UFR STAPS, 92000 Nanterre, France
4
Research Institute for Sport and Exercise Sciences, Liverpool John Moores University, Liverpool L3 5UA, UK
*
Author to whom correspondence should be addressed.
Presented at the 12th Conference of the International Sports Engineering Association, Brisbane, Queensland, Australia, 26–29 March 2018.
Proceedings 2018, 2(6), 202; https://doi.org/10.3390/proceedings2060202
Published: 13 February 2018
(This article belongs to the Proceedings of ISEA 2018)
PDF [1834 KB, uploaded 23 March 2018]

Abstract

In order to better inform the effects of dehydration and hydration guidelines, we tested the acute effects of a 2% dehydration protocol on performance and technique of 3-point shooting (3PS) in Elite Basketball players (n = 9). The 3PS technique was monitored by using nanotechnology inertial measurement units positioned onto body joints during the exercise. When dehydrated (−2.1 ± 0.5% of body mass), 7 players experienced a slight decrease (−10.0 ± 19.6%, p = 0.16) in success rate, while RPE increased from 9.1 ± 2.6 to 13.0 ± 2.5 in euhydrated (EUH) and dehydrated (DEH) condition respectively (p = 0.003). DEH slightly altered the 3PS technique as the knee angle increased (p = 0.02) at toe-off time and the hip angle decreased during the 3PS (p = 0.01). The speed of ball release tended to be increased (p = 0.05) in DEH compared to EUH. Data from this study suggest that a 2% dehydration is tolerable for elite Basketball players, although a stronger dehydration might accentuate the effects observed.
Keywords: biomechanics; nanotechnology inertial measurement units; body kinematics; performance biomechanics; nanotechnology inertial measurement units; body kinematics; performance
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Dinu, D.; Tiollier, E.; Leguy, E.; Jacquet, M.; Slawinski, J.; Louis, J. Does Dehydration alter the Success Rate and Technique of Three-Point Shooting in Elite Basketball? Proceedings 2018, 2, 202.

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