Vastus Intermedius (of the Quadriceps Femoris Group) – myofascial trigger points and their referral zones.
Quadriceps femoris group:
- rectus femoris
- vastus lateralis
- vastus medialis
- vastus intermedius

Anterior view of a myofascial trigger point in the right-side vastus intermedius (of the quadriceps femoris group) and its corresponding referral zone.