股四头肌(也 称为 股四头肌伸肌 或 四头肌)是 一个 大肌肉群,包括 大腿 前部的 四个 主要 肌肉。
The quadriceps femoris (also called the quadriceps extensor, quadriceps or quads) is a large muscle group that includes the four prevailing muscles on the front of the thigh.