Muscles of the Lower Extremity: Medial Compartment of the Thigh

Question 1

Adductor Longus Proximal Attachment

Answer 1

Anterior body of the pubis

Question 2

Adductor Longus Distal Attachment

Answer 2

Meddle of the medial lip of the linea aspera

Question 3

Adductor Longus Innervation

Answer 3

Obturator n. [L2,*L3,L4]

Question 4

Adductor Longus Action

Answer 4

Adducts the hip
Assists with:
-Hip flexion

Question 5

Adductor Brevis Proximal Attachment

Answer 5

Inferior ramus of the pubis

Question 6

Adductor Brevis Distal Attachment

Answer 6

Proximal end of the medial lip of the linea aspera

Question 7

Adductor Brevis Innervation

Answer 7

Obturator n. [L2,*L3,L4]

Question 8

Adductor Brevis Action

Answer 8

Adducts the hip
Assists with:
-Hip flexion

Question 9

Adductor Magnus Proximal Attachment

Answer 9

Adductor part: Ischial ramus

Hamstring part: Ischial tuberosity

Question 10

Adductor Magnus Distal Attachment

Answer 10

Adductor part: Middle of the linea aspera and medial supracondylar line
Hamstring part: Adductor tubercle

Question 11

Adductor Magnus Innervation

Answer 11

Adductor part: Obturator n. [L2,L3,L4]

Hamstring part: Sciatic n. [*L4,L5,S1}

Question 12

Adductor Magnus Acttion

Answer 12

All fibers: Adduct the hip
Adductor part assists with: Hip flexion
Hamstring part assists with: Hip extension

Question 13

Gracilis Proximal Attachment

Answer 13

Body and inferior ramus of the pubis

Question 14

Gracilis Distal Attachment

Answer 14

Medial surface of tibia below the tibial condyle (Pes anserinus)

Question 15

Gracilis Innervation

Answer 15

Obturator n. [*L2,L3]

Question 16

Gracilis Action

Answer 16

Adducts the hip
Assists with:
-Knee flexion
-Tibia medial rotation

Question 17

Obturator Externus Proximal Attachment

Answer 17

External (lateral) surface of the obturator membrane and surrounding bone

Question 18

Obturator Externus Distal Attachment

Answer 18

Trochanteric fossa of the femur

Question 19

Obturator Externus Innervation

Answer 19

Obturator n. [*L2,L3]

Question 20

Obturator Externus Action

Answer 20

Laterally rotates the hip