Table 1.  Exercise time to exhaustion (Tlim), peak blood lactate concentration (Lac) and estimated lactate production-removal rate (Lac rate) obtained in the critf test. Data are means (SD).

f

48
(balls·min-1)

56
(balls·min-1)

65
(balls·min-1)

72
(balls·min-1)

Tlim (s)

578.6 (204.0)

342.7 (109.7)*

259.6 (38.9)*

188.8 (60.5)*

Lac (mmol·L-1)

6.2 (2.2)

7.0 (2.3)

8.9 (1.8)

7.0 (2.7)

Lac rate (mmol/L.s).102

1.4 (0.9)

2.3 (1.4)

3.4 (3.4)

4.5 (2.7)*
* p < 0.05 compared with 48 balls·min-1