Lower Limb - Anterior Compartment Thigh

Question 1

1. 1. Name the muscle(s) of the anterior thigh?
2. 2. Name their O and I?
3. 3. Which nerve innervates the anterior compartment of the thigh?

Answer 1

1.1. Satorius, Rectus Femoris, Vastus Lateralis, Vastus Medialis and Vastus Intermedius

1.2. Origin:
Satorius: ASIS
Rectus Femoris - AIIS
Vastus group - Femur

Insertion:
Satorius - medial aspect of proximal tibia (anterior to gracilis)
RF and Vastus group insert onto the patella via quadriceps tendon

1.3. Femoral nerve

Question 2

1. 1. Name the origin and insertion of the iliacus muscle?
2. 2. Name the origin and insertion of the psoas major muscle?
3. 3. Innervation

Answer 2

1.1.
O - Iliac fossa
I - Lesser trochanter (LT) femur

1.2.
O - VB, IV discs and TP T12-L5
I - Lesser trochanter

1.3. Anterior rami L1-3

Question 3

1.1. Name the borders of the femoral triangle?

Answer 3

1.1. MNEOMINIC - SAIL
Lateral - Medial border Satorius
Medial - Medial border Adductor Longus 
Superior: inguinal ligament
Floor: Iliopsoas, Pectineus, Adductor Longus

Question 4

Name the structures passing through the femoral canal (lateral to medial) ?

Answer 4

Femoral nerve, artery, vein and lymphatics

Question 5

Name the compartments of the femoral sheath and their compartments?

Answer 5

Medial compartment - empty space and lymphatics
Intermediate compartment - Femoral vein
Lateral compartment - Femoral artery