Table 1 Parameters of voluntary and electrically stimulated muscle contraction before and after 6 km running load.
| Parameter | Before | After | ||
|---|---|---|---|---|
| TTW (Nm) | 12.8 (1.6) | 11.0 (1.4)* | ||
| EMD (ms) | 47 (0.7) | 44 (0.8)* | ||
| CT (ms) | 92 (2) | 85 (3.1)* | ||
| RT½ (ms) | 53 (2.5) | 52 (1.6) | ||
| TF20 (Nm) | 35.8 (5.5) | 28.5 (5.7)* | ||
| TF100 (Nm) | 56.6 (7.2) | 49.7 (8.3) | ||
| TMVC (Nm) | 165.1 (14.5) | 154.9 (16.1) | ||
| AL (%) | 74 (6) | 75 (7) |
TTW, twitch peak torque; EMD, electromechanical delay; CT, contraction time; RT½, half relaxation time; TF20, torque during 20 Hz ES; TF100, torque during 100 Hz ES; TMVC, maximum torque during explosive isometric MVC; AL, activation level. *p<0.05 compared with the value before the workout.