(Module 4B) Anterior & Medial/Lateral Thigh Muscles

What are the 2 anterior pelvis and proximal thigh muscles?

Iliacus and Psoas major

What is/are the general function(s) of the iliacus and psoas major?

Both form the iliopsoas muscle group and both, acting together, are primarily hip flexors

Which muscles make up the iliopsoas muscle group?

Iliacus and Psoas major

What is the major action of the iliacus and psoas major?

Hip flexors

What are the 5 medial thigh muscles?

Pectineus, Adductor magnus, Adductor brevis, Adductor longus, Gracilis

What is/are the general function(s) of the medial thigh muscles (Pectineus, Adductor magnus, Adductor brevis, Adductor longus, Gracilis)?

All adduct the thigh

What are the 6 anterior and lateral thigh muscles?

Tensor fasciae latae, Sartorius, Rectus femoris, Vastus lateralis, Vastus medialis, Vastus intermedius

Which 4 muscles form the Quadriceps femoris muscle group?

Rectus femoris, Vastus lateralis, Vastus medialis, Vastus intermedius

What is the general function of the Tensor fasciae latae?

Stabilizes hip and knee via IT band

What is the general function of the Iliotibial Band/Tract (IT Band)?

Lateral Fascial Tract - NOT a muscle

What is the general function of the Sartorius?

Flexes knee

What is the general function of the Quadriceps femoris muscle group (Rectus femoris, Vastus lateralis, Vastus medialis, Vastus intermedius)?

Extends knee

What are the 3 muscle compartments of the thigh?

Anterior, Medial, Posterior

The Anterior compartment of the thigh primary has __________.

Knee extensors

The Anterior compartment has what nerve?

Femoral nerve

The Medial compartment of the thigh primarily has __________.

Thigh adductors

The Medial compartment of the thigh has what nerve?

Obturator nerve

The Posterior compartment of the thigh primarily has __________.

Knee flexors

The Posterior compartment of the thigh has what nerve?

Sciatic nerve

What are the 3 borders of the femoral triangle?

Superior (Inguinal ligament), Lateral (Sartorius muscle), Medial (Adductor longus)

What are the contents of the femoral triangle?

From medial to lateral

- Femoral vein, femoral artery, femoral nerve

- VAN: Vein -> Artery -> Nerve

From lateral to medial

- Femoral nerve, femoral artery, femoral vein

- NAV: Nerve -> Artery -> Vein

The thigh has what 3 fascial compartments?

Anterior, Medial, Posterior

The quadriceps femoris primarily does what?

Extend knee

Which muscle in the anterior thigh flexes the knee?

Sartorius

The tensor fasciae latae (TFL) stabilizes what 2 structures and how?

Stabilizes hip and knee via IT band

What is the iliotibial (IT) band?

Lateral fascial tract, NOT a muscle

What muscles are attached to the iliotibial (IT) band?

Tensor fasciae latae and gluteus maximus

Is the iliotibial tract (IT band) a muscle?

No, it's a lateral fascial tract