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Force measurements during either continuous (30–120 s) or repeated brief (12 × 5 s) maximum voluntary contractions (mean ± SEM)
| Duration (s) | Number of subjects | Force–time integral (kNm × s) | Average force (Nm) |
|---|---|---|---|
| 30 | 12 | 6.75 ± 0.12 | 225.0 ± 3.8 |
| 60 | 14 | 9.90 ± 0.21 | 165.0 ± 3.5 |
| 120 | 12 | 14.10 ± 0.39 | 118.0 ± 3.3 |
| 12 × 5 | 13 | 14.10 ± 0.56 | 235.0 ± 9.3 |
