Medial Thigh Muscles

Question 1

Gracilis origin

Answer 1

Line on body of pubis, inferior rami of pubis and ramus of ischium

Question 2

Gracilis insertion

Answer 2

Medial proximal shaft of tibia

Question 3

Gracilis innervation

Answer 3

Obturator nerve (L2-L3)

Question 4

Gracilis function

Answer 4

Adductors thigh at hip joint, flexes leg at knee joint

Question 5

Pectineus origin

Answer 5

Pectineal line and adjacent bone of pelvis

Question 6

Pectineus insertion

Answer 6

From base of lesser trochanter to linea aspera on posterior proximal femur

Question 7

Pectineus innervation

Answer 7

Femoral nerve (L2-L3)

Question 8

Pectineus function

Answer 8

Adducts and flexes thigh at hip joint

Question 9

Adductor longus origin

Answer 9

Body of pubis

Question 10

Adductor longus insertion

Answer 10

Linea aspera on middle one-third of shaft of femur

Question 11

Adductor longus innervation

Answer 11

Anterior division of obturator nerve (L2-L4)

Question 12

Adductor longus function

Answer 12

Adducts and laterally rotates thigh at hip joint

Question 13

Adductor brevis origin

Answer 13

Body of pubis and inferior pubic ramus

Question 14

Adductor brevis insertion

Answer 14

Posterior proximal femur and upper one-third of linea aspera

Question 15

Adductor brevis innervation

Answer 15

Obturator nerve (L2-L3)

Question 16

Adductor brevis function

Answer 16

Adducts thigh at hip joint

Question 17

Adductor magnus origin

Answer 17

Adductor part originates from ischiopubic ramus, hamstring part originates from ischial tuberosity

Question 18

Adductor magnus insertion

Answer 18

Adductor part inserts into posterior proximal femur, linea aspera, medial supracondylar line, hamstring part inserts into adductor tubercle and supracondylar line

Question 19

Adductor magnus innervation

Answer 19

Obturator nerve (L2-L4) for adductor part, tibial division of sciatic nerve (L2-L4) for hamstring part

Question 20

Adductor magnus function

Answer 20

Adducts and laterally rotates thigh at hip joint

Question 21

Obturator externus origin

Answer 21

Obturator membrane and adjacent bone

Question 22

Obturator externus insertion

Answer 22

Trochanteric fossa

Question 23

Obturator externus innervation

Answer 23

Posterior division of obturator nerve (L3-L4)

Question 24

Obturator externus function

Answer 24

Laterally rotates thigh at hip joint