Meniscal injury
		n Most common knee injury (rare <age 10) u Peaks in young adulthood, >55 n Chronic pain, instability n Locking if there is a displaced fragment n Medial >lateral, posterior>anterior n Intrameniscal degeneration is common in adults over 40 and ≠ tear. n MRI >90% sensitive, >80% specific for meniscal tears.