Medial thigh

Question 1

Actions of the medial thigh

Answer 1

Adduction of hip

Question 2

Innervation of medial thigh

Answer 2

Obturator nerve (L2-L4)

Question 3

What is the adductor hiatus

Answer 3

Gap between adductor part and hamstring part of adductor Magnus that allows passage of the femoral artery

Question 4

What runs through the small perforations of the adductor Magnus (adductor part)

Answer 4

Branches of deep artery of thigh

Question 5

Origin of adductor part of adductor Magnus

Answer 5

Inferior pubic rami and rami of ischium

Question 6

Attachment of adductor part of adductor Magnus

Answer 6

Linea aspera of femur

Question 7

Origin of hamstring part of adductor Magnus

Answer 7

Ischial tuberosity

Question 8

Attachment of hamstring part of adductor Magnus

Answer 8

Adductor tubercle on distal medial femur

Question 9

Action of adductor Magnus

Answer 9

Both adduct thigh
Adductor part also flexes thigh
Hamstring part also extends thigh

Question 10

Innervation of adductor Magnus

Answer 10

Adductor part innervated by obturator nerve

Hamstring part innervated by tibial nerve (L4-S3)

Question 11

Origin of adductor longus

Answer 11

Superior pubic rami

Question 12

Attachment of adductor longus

Answer 12

Linea aspera of femur

Question 13

Action of adductor longus

Answer 13

Adduction and medial rotation of thigh

Question 14

Origin of adductor brevis

Answer 14

Body of pubis and inferior pubic ramus

Question 15

Attachment of adductor brevis

Answer 15

Linea aspera on posterior femur, proximal to adductor longus

Question 16

Origin of obturator externus

Answer 16

Membrane of obturator foramen, superior and inferior pubic rami

Question 17

Attachment of obturator externus

Answer 17

Greater trochanter (posterior)

Question 18

Action of obturator externus

Answer 18

Lateral rotation and adduction of thigh

Question 19

Origin of gracilis

Answer 19

Inferior pubic rami and pubic symphysis

Question 20

Attachment of gracilis

Answer 20

Medial tibia between tendons of sartorius (anteriorly) and semitendinosus (posteriorly)

Question 21

Action of gracilis

Answer 21

Adduction of thigh

Flexion of knee

Question 22

What is groin strain

Answer 22

Strain (tearing) of adductor muscles of thigh

Tearing is usually at proximal part (near bony attachments)

Question 23

How do groin strains occur

Answer 23

Sports that require extreme stretching

Question 24

Treatment of groin strain

Answer 24

RICE

Rest, ice, compression, elevation

Question 25

What are the muscles in the medial thigh

Answer 25

``` Adductor Magnus, Adductor longus, Adductor brevis, Obturator externus, Gracilis ```

Question 26

Where does adductor brevis lie in relation to obturator nerve

Answer 26

Between its anterior and posterior divisions

Question 27

Where does the obturator externus in relation to femur

Answer 27

Under neck of femur

Question 28

What muscle is sometimes transplanted into hand/forearm to replace damaged muscle

Answer 28

Gracilis

Question 29

Action of adductor brevis

Answer 29

Adduction of thigh