Muscles of hip region (part 2)
The hip region muscles include the following:
- Anterior group (flexors)
- Iliopsoas (Iliacus and psoas major)
- Psoas minor
- Posterior group (extensors)
- Gluteus maximus
- Gluteus medius
- Gluteus minimus
- Tensor fasciae latae
- Obturator internus
- Obturator externus
- Superior gemellus
- Inferior gemellus
- Quadratus femoris
Tensor fasciae latae
The tensor fasciae latae is a thin muscle situated in the gluteal region and the lateral surface of the thigh.
Origin: anterior superior iliac spine, anterior aspect of the iliac crest.
Insertion: the tensor fasciae latae continues as the iliotibial tract, which inserts into the lateral condyle of the tibia.
Action: internal rotation and abduction of the thigh, flexion and external rotation of the leg, stabilizing the hip and knee joints.
Innervation: superior gluteal nerve (L4 - S1).
Blood supply: superior gluteal artery, lateral circumflex femoral artery.