Abstract
Eleven male elite wheelchair basketball players took part in an all-out, high-velocity, “Wingate”-type ergometric test lasting 30 s. An electrically braked and electronically controlled roller device was used to measure power and velocity. A breath-by-breath metabolic measurement cart collected net O2 uptake prior to, during, and after the test. Average braking load and velocity were 9.91 N · m and 5.09 m · s-1, respectively. Mean total work during the test was 4,468.47 ± 1,326 J. Based on net O2 cost and estimating a 10% efficiency, the aerobic contribution would be 29.8 ± 10.2%. Therefore, performance in this test seems to be predominantly anaerobic. Velocity variables of the subjects included in this study had a significant relationship to power variables and thus are considered valid for measuring peak performance, mean performance, and fatigue. A regression analysis utilizing wheel size and function as independent variables presented a significant relationship to peak velocity (P <.005). Further findings indicated variability in technique among subjects that led to training suggestions.
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