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