Anterior and Medial Thigh

Question 1

Femoral N. roots

Answer 1

L2-L4

Question 2

Obturator N. roots

Answer 2

L2-L4

Question 3

Sciatic N. roots

Answer 3

L4-S3

Question 4

Tibial N. roots

Answer 4

L4-S3

Question 5

Common fibular N. roots

Answer 5

L4-S2

Question 6

Patellar reflex

Answer 6

Tests the function of femoral N. and SC segments L2-L4.

Question 7

Westphal’s sign

Answer 7

The absence or decrease in patellar reflex.

Question 8

Calcaneal tendon reflex

Answer 8

Tests S1 and S2 roots.

Question 9

Pes Anserinus

Answer 9

Common insertion for 3 muscles innervated by 3 nerves.
Sartorius M.
Gracilis M.
Semitendinosus M.

Question 10

Osgood-Schlatter Disease

Answer 10

Child’s quads pull the tendon that connects kneecap to shin and causes tendon to pull away from shin bone. Can cause a bony lump inferior to the knee.

Question 11

Thigh compartments

Answer 11

Flexors (posterior) - Sciatic N.
Extensors (anterior) - Femoral N.
ADductors (medial) - Obturator N.

Question 12

Hilton’s law

Answer 12

A joint is innervated by the same nerves that supply the muscles that move the joint and innervate the skin over it.