Meniscal Tears
Mechanism of Injuries
Rotational force incurred while joint partially flexed & extending
- caught between femoral & tibial condyles
- usually valgus & ER / varus & IR
Rotational force incurred while joint partially flexed & extending
- caught between femoral & tibial condyles
- usually valgus & ER / varus & IR
Round or "D" shaped rather than crescenteric meniscus
- occupies > 70% of tibial surface
- 90% occur on lateral side
Uncommon
- 1:100
- usually presents in children & adolescents
Developmental Anatomy
Knee joint first appears as a mesenchymal cleft at 8 weeks gestation
- ACL and PCL separate entities by week 10