Table 2. Change of VAS.
Group | Pre | 1st day | 2nd day | 3rd day | 4th day |
I | 5.2 ± 2.6 | 5.3 ± 2.1 | 4.2 ± 2.1 | 2.4 ± 1.8 | 1.3 ± 1.3 |
II | 4.1 ± 2.2 | 4.5 ± 1.7 | 3.8 ± 2.0 | 2.8 ± 1.8 | 1.4 ± 0.8 |
Mean ± SD. There was only a significant difference attributable to the treatment period (F=39.79, p<0.001). Group I: Two electrodes were attached to the biceps femoris muscle vertically. Group II: One electrode was attached to the biceps femoris muscle and the other was attached to the biceps femoris tendon vertically.