system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Which type of injury causes more damage to the semi-lunar cartilage in the knee -
assistant
The correct answer is  Injuries of the menisci (semilunar cartilages) are common in men under the age of 45 years.
A tear is usually caused by a twisting force with the knee setniflexed or flexed.