Table 1 Reliability data from three trials of a repeated maximal shuttle run test (8 × 40-m; 20 s rest periods).
Fastest time (s) Mean time (s) Fatigue (%) Blood lactate (mmol×L-1) RPE
Pre-test Post-test Sprint 4 Sprint 8
Mean (SD) 8.69 (0.40) 9.09 (0.34) 4.66 (2.09) 3.96 (1.52) 11.61 (2.51) 14 (2) 17 (2)
CV (%) 1.3 1.1 38.7 23.9 10.1 7.6 5.3
95% CL 1.1 - 1.8 0.9 - 1.5 30.9 - 51.7 19.1 - 32.0 8.1 - 13.5 6.0 - 10.1 4.3 - 7.1
ICC 0.92 0.91 0.59 0.74 0.82 0.79 0.84
95% CL 0.83 - 0.97 0.82 - 0.97 0.31 - 0.81 0.51 - 0.89 0.64 - 0.93 0.58 - 0.91 0.67 - 0.93
CV = coefficient of variation; CL = confidence limits; ICC = intraclass correlation coefficient