Table 1.
Results for the maximum voluntary isometric contraction (MVIC), maximum voluntary dynamic contraction (MVDC), dorsiflexion range of motion (ROM) of the ankle joint, passive resistive torque (PRT), PRT at a given angle, shear modulus values for the GM and GL, and the mean shear modulus of the GM+GL of both groups, i.e., PNF stretching+PSA (left) and PNF stretching alone (right).
| PNF+PSA | PNF only | % change | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PRE | POST | PRE | Post | PNF+PSA | PNF only | |||||||||
| mean | ± | SD | mean | ± | SD | mean | ± | SD | mean | ± | SD | |||
| MVIC (Nm) | 158.7 | ± | 28.9 | 154.3 | ± | 25.7 | 156.3 | ± | 26.8 | 151.6* | ± | 28.0 | −3% | −4%* |
| MVDC (Nm) | 157.8 | ± | 25.2 | 165.6 | ± | 29.6 | 159.2 | ± | 30.4 | 159.4 | ± | 29.0 | 3% | 0% |
| ROM (°) | 40.1 | ± | 6.8 | 42.1* | ± | 8.0 | 40.2 | ± | 7.1 | 42.3* | ± | 8.1 | 4%* | 4%* |
| PRTmax (Nm) | 53.2 | ± | 14.1 | 56.2 | ± | 17.2 | 54.1 | ± | 17.9 | 57.1 | ± | 17.5 | 1% | 4% |
| PRT° (Nm) | 49.9 | ± | 13.9 | 47.2* | ± | 13.6 | 50.1 | ± | 18.2 | 49.8 | ± | 15.8 | −7%* | 0% |
| Shear modulus GM (kPa) | 9.8 | ± | 1.7 | 9.2* | ± | 1.5 | 9.5 | ± | 1.3 | 9.4 | ± | 1.4 | −7%* | −2% |
| Shear modulus GL (kPa) | 7.4 | ± | 1.6 | 7.1 | ± | 1.6 | 7.7 | ± | 1.4 | 7.7 | ± | 1.5 | −5% | 0% |
| Mean Shear modulus GM+GL (kPa) | 8.6 | ± | 1.4 | 8.2* | ± | 1.3 | 8.6 | ± | 1.2 | 8.6 | ± | 1.2 | −6%* | −1% |
*
=significant difference between pre- and post-measurement data, mean±SD.
MVIC, maximum voluntary isometric contraction peak torque; MVDC, maximum voluntary dynamic contraction peak torque; ROM, dorsiflexion range of motion; PRTmax, passive resistive torque at maximum dorsiflexion; and PRT, passive resistive torque at a given angle.