척측 측부 인대(Ulnar Collateral Ligament)의 약자. 팔꿈치 안쪽에 있는 중요한 인대로, 투구 동작을 하는 운동선수들에게 부상이 잦다.
An abbreviation for the Ulnar Collateral Ligament, a critical ligament located on the medial side of the elbow, often associated with throwing injuries in athletes.
예문:
"The star pitcher required Tommy John surgery after tearing his UCL."
"The UCL provides essential stability to the elbow joint during high-velocity movements."
"An MRI confirmed the grade 2 sprain of the athlete's UCL."