Group 3 Muscles

Question 1

Tibialis Posterior origin

Answer 1

Tibia and fibula

Question 2

Tibialis Posterior insertion

Answer 2

Navicular and medial cuneiform bone

Question 3

Tibialis Posterior nerve

Answer 3

Tibial nerve

Question 4

Tibialis Posterior action

Answer 4

Inversion Plantar flexion

Question 5

Flexor Digitorum Longus origin

Answer 5

Posterior surface of the body of the tibia

Question 6

Flexor Digitorum Longus insertion

Answer 6

Plantar surface; base of the distal phalanges of the four lesser toes

Question 7

Flexor Digitorum Longus nerve

Answer 7

Tibial nerve

Question 8

Flexor Digitorum Longus action

Answer 8

Flexion of the four smaller digits

Question 9

Flexor Hallicus Longus origin

Answer 9

fibula, posterior aspect of middle 1/3

Question 10

Flexor Hallicus Longus insertion

Answer 10

Plantar surface; base of distal phalanx of hallux

Question 11

Flexor Hallicus Longus nerve

Answer 11

tibial nerve

Question 12

Flexor Hallicus Longus action

Answer 12

flexes all joints of the big toe, plantar flexion of the ankle joint

Question 13

Popliteus origin

Answer 13

lateral femoral epicondyle

Question 14

Popliteus insertion

Answer 14

posterior surface of tibia proximal to soleus line

Question 15

Popliteus nerve

Answer 15

Tibial nerve

Question 16

Popliteus action

Answer 16

Medially rotates tibia on the femur if the femur is fixed (sitting down) or laterally rotates femur on the tibia if tibia is fixed (standing up), unlocks the knee to allow flexion (bending), helps to prevent the forward dislocation of the femur while crouching