Lower Limb Nerves- THE FEMORAL NERVE

Question 1

Where does the FEMORAL NERVE Come from?

Answer 1

-Branch of the LUMBAR PLEXUS
-Derived from the Anterior Rami of Nerve Roots L2,L3 and L4

Question 2

What is the Position of the FEMORAL NERVE in relation to the Inguinal Ligament?

Answer 2

The Femoral Nerve passes BELOW the Inguinal Ligament

Question 3

Where does the FEMORAL NERVE lie within the FEMORAL TRIANGLE?

Answer 3

The Femoral nerve lies LATERAL to the Femoral Artery and Femoral Vein

Question 4

In general what is the MOTOR FUNCTIONS of the FEMORAL NERVE?

Answer 4

Hip FLEXTION
Knee EXTENSION

Question 5

Which MUSCLES does the FEMORAL NERVE Innervate?

Answer 5

MUSCLES OF THE ANTERIOR COMPARTMENT OF THIGH:

1. Sartorius
2. Pectineus
3. Iliacus
4. Quadriceps Femoris

Question 6

Does the FEMORAL NERVE innervate the PSOAS MAJOR MUSCLE?

Answer 6

NO

• The nerve passes through the Psoas Muscle, but DOES NOT Innervate it

Question 7

In general what is the SENSORY FUNCTION of the Femoral Nerve?

Answer 7

• SENSATION TO:

1. Anterior and Medial Aspect of the Thigh
2. Medial Aspect of the Lower leg
3. Medial Aspect of the ankle

Question 8

What are the SENSORY BRANCHES of the FEMORAL NERVE?

Answer 8

1. MEDIAL CUTANEOUS NERVE OF THE THIGH
2. SAPHENOUS NERVE
3. INTERMEDIATE CUTANEOUS NERVE OF THE THIGH

Question 9

Sensory Distribution of the FEMORAL NERVE

Answer 9