Rietveld, T. (Thomas) (2019) The effect of tyre pressure on the wheelchair mobility performance of elite wheelchair tennis players. thesis, Sport Sciences.
Full text available on request.Abstract
The purpose of the current study was to study 1) the effect of tyre pressure on the rolling resistance and 2) wheelchair mobility performance of elite wheelchair tennis players. Seven highly trained wheelchair tennis players, using their own tennis wheelchair and racket, completed multiple coast down tests, 10m Sprint tests and Butterfly Sprint tests on a hardcourt surface. All tests were conducted at five different tyre pressures, ranging from -30% till +10% of the recommended pressure. During the whole test protocol three Inertial Measurement Units (IMUs) were attached to both wheels and frame of the athlete’s wheelchair. The IMUs enabled analyses of decelerations for the coast down trials, linear velocity/accelerations for the 10m Sprint and rotational velocity/acceleration for the Butterfly Sprint. Coast down testing showed a lower rolling resistance with a higher tyre pressure (F(4,3) = 44.63, P < 0.001). Rolling resistances ranged from 6.37 (0.74) N for the lowest pressure (-30%) level till 5.61 (0.70) N for the highest pressure (+10%) level. Post hoc analysis revealed differences among all tyre pressure levels, except for -10% vs. -20% of the recommended pressure. Yet, no effects of the different tyre pressures were found on both the 10m Sprint and the Butterfly Sprint test. It can be concluded that there is an influence of tyre pressure on the rolling resistance, but an effect on the linear sprinting and turning performances, i.e., wheelchair mobility performance, was not found in the current study. Keywords: Rolling resistance, sprinting, turning, inertial measurement units, coast down test
| Item Type: | Thesis (UNSPECIFIED) |
|---|---|
| Supervisor name: | Groot, dr. S. de and Vegter, dr. R.J.K. and Woude, prof. dr. L.H.V. van der and Mason, dr. B.S. |
| Faculty: | Medical Sciences |
| Date Deposited: | 24 May 2022 09:44 |
| Last Modified: | 24 May 2022 09:44 |
| URI: | https://umcg.studenttheses.ub.rug.nl/id/eprint/3426 |
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