Pennation angle (°) of the vastus medialis (VM), vastus lateralis (VL) and rectus femoris (RF) in the control group and patient group
| Control group | Patient group | |||||||||||
| Right | Left | Unaffected side | Affected side | |||||||||
| VM | VL | RF | VM | VL | RF | VM | VL | RF | VM | VL | RF | |
| Rest | 19.4±3.0 | 14.8±4.4 | 11.1±3.1 | 18.9±2.3 | 17.4±4.7 | 10.8±1.9 | 20.6±5.7 | 16.5±3.7 | 8.3±4.6 | 19.6±4.1 | 12.6±2.9 | 7.2±4.7 |
| Contraction | 31.6±5.5 | 18.5±3.5 | 18.2±1.8 | 27.2±3.3 | 19.2±3.4 | 15.5±2.5 | 26.3±7.0 | 17.2±3.8 | 12.5±6.5 | 20.9±5.2 | 11.6±2.6 | 11.3±4.1 |
Values are means and SD.