- Twisting or contact
- Can occur concomitant w/ligament injury or as isolated problem
- In older adults→ degenerative tears common
- Sometimes loose body (intra-articular fragment of meniscus or bone) contributes to pain, instability, limitation in range of motion
- Acute/sub-acute pain
- Swelling hours to days later→ slower accumulation blood
- Chronic/recurrent sx of locking
- Instability/give-way
- Joint line pain
- + mcMurrays