Table 2.
Maximal voluntary torque of knees extensors.
| HFV (n = 13) | MFV (n = 15) | LFV (n = 15) | CON (n = 11) | |||||
|---|---|---|---|---|---|---|---|---|
| Pre | Post | Pre | Post | Pre | Post | Pre | Post | |
| Maximal voluntary torque (N·m) | ||||||||
| Isometric | 171.7 ± 63.9 | 196.2 ± 56.8*# | 174.0 ± 45.2 | 184.3 ± 46.3 | 169.5 ± 56.6 | 161.1 ± 54.8 | 151.7 ± 43.4 | 174.2 ± 46.5*# |
| Isokinetic | ||||||||
| Concentric | ||||||||
| 60°/s | 138.6 ± 55.3 | 152.8 ± 64.9 | 151.1 ± 46.5 | 172.0 ± 55.2* | 151.2 ± 64.3 | 160.4 ± 52.8 | 134.2 ± 27.7 | 149.1 ± 35.3 |
| 120°/s | 105.8 ± 60.6 | 134.0 ± 64.5* | 138.1 ± 47.7 | 152.6 ± 45.5* | 134.7 ± 52.2 | 142.7 ± 51.1 | 107.1 ± 42.1 | 122.0 ± 38.6 |
| Eccentric | ||||||||
| 60°/s | 205.0 ± 58.9 | 208.4 ± 90.0 | 199.1 ± 69.4 | 247.6 ± 85.8* | 204.9 ± 78.1 | 217.0 ± 70.9* | 190.4 ± 53.8 | 211.7 ± 55.6 |
| 120°/s | 213.4 ± 61.8 | 222.3 ± 73.8 | 198.5 ± 68.3 | 243.0 ± 81.9* | 194.1 ± 71.0 | 220.1 ± 75.1* | 185.6 ± 46.1 | 194.9 ± 65.7 |
| Acceleration time (ms) | ||||||||
| Concentric | ||||||||
| 60°/s | 111.5 ± 25.0 | 100.1 ± 17.4† | 101.1 ± 10.6 | 95.7 ± 14.4† | 92.0 ± 9.7 | 96.0 ± 10.5 | 91.0 ± 16.6 | 103.2 ± 15.1* |
| 120°/s | 123.2 ± 27.5 | 111.1 ± 23.0* | 101.5 ± 16.4 | 104.3 ± 19.9 | 94.2 ± 8.3 | 95.4 ± 13.7 | 102.7 ± 30.8 | 114.9 ± 27.1 |
| Eccentric | ||||||||
| 60°/s | 139.0 ± 19.3 | 120.4 ± 23.8* | 113.9 ± 18.6 | 123.5 ± 14.6‡ | 103.2 ± 23.4 | 121.4 ± 24.9*‡ | 130.0 ± 43.1 | 133.9 ± 27.2 |
| 120°/s | 168.4 ± 26.7 | 155.9 ± 35.2 | 145.6 ± 30.8 | 149.9 ± 19.4 | 136.0 ± 35.5 | 160.6 ± 34.4* | 161.0 ± 58.0 | 178.1 ± 50.6 |
Abbreviations: CON = control; HFV = high frequency and low amplitude; LFV = low frequency and high amplitude; MFV = medium frequency and medium amplitude.
*
p < 0.05, compared with pre-test values within group.
#
p < 0.05, compared with post-test values in LFV group.
†
p < 0.05, compared with post-test values in CON group.
‡
p < 0.05, compared with post-test values in HFV group.