Blood lactate concentration [La] was determined from finger prick samples. Peak V0 2 and peak heart rate (peak HR) were significantly higher in the paraplegics compared to quadriplegics: 1.90 ± 0.S4 vs 1.07 ± 0.3S l/min, and 188 ± 11 beats/min vs 117 ± 12 beats/min respectively. The paraplegics exercised at significantly (p < O.OS) higher percentages of peak V02 and peak HR during the SR compared to quadriplegics (9S% vs 76% and 9S% vs 86%, respectiv .ely). No significant relationships
(p > O.OS) were observed between the peak V02 and WV during the SR and TR in either group. Significant relationships (p < O.OS) were observed between the SR and TR for the race time, WV, HR, and [La] in both groups of subjects. These results suggest: (1) that factors other than peak V02 infuence wheelchair racing performance in quadriplegics and paraplegics, and
(2) that wheelchair roller racing evaluated in the laboratory is a valid measure of track racing performance in spinal cord injured subjects.
Blood lactate concentration [La] was determined from finger prick samples. Peak V0 2 and peak heart rate (peak HR) were significantly higher in the paraplegics compared to quadriplegics: 1.90 ± 0.S4 vs 1.07 ± 0.3S l/min, and 188 ± 11 beats/min vs 117 ± 12 beats/min respectively. The paraplegics exercised at significantly (p < O.OS) higher percentages of peak V02 and peak HR during the SR compared to quadriplegics (9S% vs 76% and 9S% vs 86%, respectiv .ely). No significant relationships
(p > O.OS) were observed between the peak V02 and WV during the SR and TR in either group. Significant relationships (p < O.OS) were observed between the SR and TR for the race time, WV, HR, and [La] in both groups of subjects. These results suggest: (1) that factors other than peak V02 infuence wheelchair racing performance in quadriplegics and paraplegics, and
(2) that wheelchair roller racing evaluated in the laboratory is a valid measure of track racing performance in spinal cord injured subjects.
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