Medial Compartment Of Thigh

Question 1

What sign the medial compartment of thigh? (5)

Answer 1

Obturator externus, adductor brevis, adductor longus, adductor magnus, gracilis

Question 2

What are these innervated by, and what’s the exception?

Answer 2

These are all innervated by the obturator nerve (L2-L4) except from the hamstring part of the adductor magnus which is innervated by the tibial component of the sciatic nerve (L4-S3).

Question 3

Origin of obturator externus

Answer 3

Membrane of obturator foramen

Question 4

Insertion of obturator externus

Answer 4

Posterior aspect of greater trochanter

Question 5

Action of obturator externus

Answer 5

Adduction and lateral rotation of thigh

Question 6

Origin of adductor brevis

Answer 6

Body of pubis and inferior pubic rami

Question 7

Insertion of adductor brevis

Answer 7

Linea aspera

Question 8

Action of adductor brevis

Answer 8

Adduction of thigh

Question 9

Origin of adductor longus

Answer 9

Pubis bone of pelvis

Question 10

Insertion of adductor longus

Answer 10

Linea aspera

Question 11

Action of adductor longus

Answer 11

Adduction of thigh

Question 12

Origin of adductor part of adductor magnus

Answer 12

Inferior rami of pubis and rami of ischium

Question 13

Insertion of adductor part of adductor magnus

Answer 13

Linea aspera

Question 14

Action of adductor part of adductor magnus

Answer 14

Adduction and flexion of thigh

Question 15

Origin of hamstring part of adductor magnus

Answer 15

Ischial tuberosity

Question 16

Insertion of hamstring part of adductor magnus

Answer 16

Adductor tubercle and medial supracondylar line

Question 17

Action of hamstring part of adductor magnus

Answer 17

Adduction and extension of thigh

Question 18

Origin of gracilis

Answer 18

Inferior rami of pubis, body of pubis

Question 19

Insertion of gracilis

Answer 19

Medial surface of tibial shaft

Question 20

Action of gracilis

Answer 20

Adduction of thigh at hip, flexion of leg at knee