| Frequency | Percent (%) | |
| None | 4 | 10.5 |
Medial meniscal lesion | 13 | 34.2 | |
Lateral Collateral Ligament lesion | 5 | 13.1 | |
Patellar extensor lesion | 3 | 5.3 | |
Other bone contusions | 7 | 7.9 | |
Intra-articular effusion | 27 | 71 | |
Articular cyst | 1 | 2.6 | |
Posterior cruciate ligament lesion | 5 | 13.1 |