Lateral Meniscus- All are true except-: (A) Smaller in diameter than medial meniscus, (B) Semicircular in shape, (C) More mobile, (D) More prone to injury
Answer is D. Ans. is 'd' i.e., More prone to injury Medial MeniscusLateral Meniscus* Semilunar in shape (Less circular)* Larger in diameter but narrower in body* Anterior horn is small while posterior horn is large* Covers less tibial articular surface than lateral (Covers about 65 percent of tibial articular surface)* Entire periphery of the meniscus is attached to the joint capsule* Is attached to the medial collateral ligament* Less mobile (due to firmer attachment with joint capsule and medial collateral ligament)* More prone to injury (due to reduced mobility) The medial meniscus is three to four times more prone to injury than the lateral meniscus* Semicircular in shape (C shaped; more circular)* Smaller in diameter but wider in body* Anterior horn and posterior horn are uniform in size* Covers more tibial articular surface than medial (Covers about 85 percent of tibial articular surface)* Entire periphery of meniscus is not attached to joint capsule (Area where the popliteus tendon crosses the joint through the popliteus hiatus is not attached)* Is not attached to the lateral collateral ligament* Afore mobile (due to gaps in attachment with joint capsule and lateral collateral ligament)* Less prone to injury (due to increased mobility)