Table 2: Peak torque (PT) and total work performed (TWP) of the extensor muscles in the 10 sessions (N. m).
| No laser | With laser | |||
| Session | PT | TWP | PT | TWP |
| 1 | 128.82 | 6428.796 | 142.380 | 6587.448 |
| 2 | 128.82 | 7041.708 | 139.668 | 7089.167 |
| 3 | 131.532 | 6750.167 | 136.956 | 6916.956 |
| 4 | 126.108 | 6945.432 | 134.244 | 7485.120 |
| 5 | 138.312 | 7258.668 | 147.804 | 7735.980 |
| 6 | 130.176 | 7556.988 | 146.448 | 7626.144 |
| 7 | 143.736 | 6889.835 | 138.312 | 7434.948 |
| 8 | 143.736 | 7131.204 | 145.092 | 7959.720 |
| 9 | 136.956 | 7342.740 | 145.092 | 7428.167 |
| 10 | 134.244 | 7685.809 | 151.872 | 8009.892 |
For PT
H = 7.2341
Degrees of freedom = 1
(p) Kruskal-Wallis = 0.0072
For TWP
H = 2.7657
Degrees of freedom = 1
(p) Kruskal-Wallis = 0.0963
Student-Newman-Keuls Dif. Posts p-value
Groups (1 and 2) = 7.1000 0.0073