Anterior and Medial Thigh

Question 1

Femoral Nerve

Answer 1

L2 - L4

Question 2

Obturator Nerve

Answer 2

L2 - L4

Question 3

Sciatic Nerve

Answer 3

L4 - S3

Question 4

Tibial Nerve

Answer 4

L4 - S3

Question 5

Common Fibular Nerve

Answer 5

L4 - S2

Question 6

Patellar Reflex

Answer 6

Testing patellar tendon reflex tests the function of the femoral nerve and spinal cord segments L2 - L4

Absence or decrease - Westphal’s sign

Question 7

Calcaneal Tendon Reflex

Answer 7

Tendon reflex tests the S1 - S2 nerve roots

If there is a problem in the nerve root the ankle reflex is virtually absent

Question 8

Sartorius m.

Answer 8

Function: thigh flex, ABduct, laterally rotate

Innervation: Femoral n.

Longest mm, most superfical anterior mm

Question 9

Pes Anserinus

Answer 9

Common insertion for:

Sartorius tendon

Gracilis tendon

Semitendinosus tendon

Question 10

Clinical Anatomy: Groin Pull

Answer 10

Groin - junction between trunk and thigh

Strain, stretching & some tearing of the proximal attachments of thigh adductor/flexor mm.

Question 11

Three Thigh Compartments

Answer 11

Anterior - extension, femoral n.

Medial - ADduction, obturator n.

Posterior - flextion, sciatic n.

Question 12

Hilton’s Law

Answer 12

a joint is innervated by the very same nn that supply the mm that move the joint and supply the skin over the joint