Medial Thigh

3 Muscles make up this compartment.


ADDUCTOR LONGUS: flex and adduct the thigh

ADDUCTOR MAGNUS: flex and adduct the thigh

GRACLIS: flex and adduct the thigh

All aid to flex and adduct the thigh! Go figure! ha

Anterior Thigh

Quadriceps: Main action, powerful knee extensors, used for climbing, running and jumping.

4 (Quad) Heads:

>>> RECTUS FEMORIS - extends knee and flexes thigh at hip

>>> VASTUS LATERALIS - extends & stabilizes knee

>>> VASTUS MEDIALIS - extends knee supports patella

>>> VASTUS INTERMEDIUS - extends knee (is hiding behind the rectus femoris)

Gluteus Medius

Covered by Gluteus Maximus.

Action: Abducts and medially rotates the thigh

Gluteus Maximus

Positioned on the posterior aspect of the hip.


Action: Major Extensor of the thigh.

Iliopsoas

(Li-e-o-so-us) how to pronounce it

Consists of iliacus and psoas major.

Iliopsoas is the PRIME MOVER of flexing the thigh. Or flexing the trunk, when bowing. Also plays role in posture.

Pectineus

Hip anterior muscle.

External anal sphincter

allows the voluntary contraction of defecation