Vastus intermedius
Vastus Intermedius
Vastus intermedius (pronounced: /ˈvæstəs ˌɪntərˈmiːdiəs/) is one of the four muscles that make up the quadriceps femoris group, located in the anterior compartment of the thigh.
Etymology
The term "vastus" is derived from the Latin word 'vastus' meaning 'huge' or 'great'. The term "intermedius" is derived from the Latin word 'intermedius' meaning 'in the middle'. Thus, the term 'vastus intermedius' refers to the large muscle located in the middle of the thigh.
Anatomy
The vastus intermedius originates from the anterior and lateral surfaces of the body of the femur. It is deep to the rectus femoris and vastus lateralis and vastus medialis. It inserts into the patella via the quadriceps tendon and plays a crucial role in knee extension.
Related Terms
- Quadriceps femoris: The muscle group that the vastus intermedius is a part of.
- Femur: The bone from which the vastus intermedius originates.
- Patella: The bone into which the vastus intermedius inserts.
- Knee extension: The action that the vastus intermedius is involved in.
See Also
External links
- Medical encyclopedia article on Vastus intermedius
- Wikipedia's article - Vastus intermedius
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