Biondi Nicholas L., Varacallo Matthew A.
Campbell Un / Cape Fear Valley MC
Penn Highlands Healthcare System
The vastus lateralis (VL) is a unipennate muscle and a member of the anterior compartment of the thigh along with the sartorius, quadriceps femoris, rectus femoris (RF), vastus medialis (VM), and vastus intermedius (VI) muscles. The VL is 1 of the 4 component muscles of the quadriceps muscle group: rector femoris, vastus lateralis, vastus medialis, and vastus intermedius. The vastus lateralis is the largest component of the quadriceps muscle groups and is positioned laterally about the femur.
股外侧肌（VL）是一块单羽状肌，与缝匠肌、股四头肌、股直肌（RF）、股内侧肌（VM）和股中间肌（VI）同属大腿前侧肌群。股外侧肌是股四头肌肌群的四块组成肌肉之一，即股直肌、股外侧肌、股内侧肌和股中间肌。股外侧肌是股四头肌肌群中最大的组成部分，位于股骨外侧。
