Muscles of Posterior Compartment- Deep Layer

Question 0

Insertion of Popiteus

Answer 0

Posterior surface of tibia, superior to soleal line

Question 1

Origin of Popliteus

Answer 1

Lateral surface of lateral condyle of femur and lateral meniscus

Question 2

Innervation of Popliteus

Answer 2

Tibial nerve (L4, L5, S1)

Question 3

Origin of Flexor Hallucis longus

Answer 3

Inferior two thirds of posterior surface of fibula and inferior part of interosseous membrane

Question 4

Insertion of Flexor Hallucis Longus

Answer 4

Base of distal phalanx of great toe

Question 5

Innervation of Flexor Hallucis longus

Answer 5

Tibial nerve (S2, S3)

Question 6

Action of Flexor hallucis longus

Answer 6

Flexes great toe at all joints; weakly plantarflexes ankle, supports medial longitudinal arch of foot

Question 7

Origin of Flexor digitorum longus

Answer 7

Medial part of posterior surface of tibia inferior to soleal line and by a broad tendon to fibula

Question 8

Insertion of Flexor digitorum longus

Answer 8

Bases of distal phalanges of lateral four digits

Question 9

Innervation of Flexor Digitorum longus

Answer 9

Tibial nerve (S2, S3)

Question 10

Action of Flexor digitorum longus

Answer 10

Flexes lateral four digits; plantarflexes the ankle, supports longitudinal arch

Question 11

Origin of Tibialis posterior

Answer 11

Interosseous membrane, posterior surface of tibia inferior to soleal line, and posterior surface of fibula

Question 12

Insertion of Tibialis Posterior

Answer 12

Primarily to tuberosity of navicular, also to cuneiforms, cuboid, and bases of 2nd-4th metatarsals

Question 13

Innervation of Tibialis Posterior

Answer 13

Tibial nerve (L4, L5)

Question 14

Action of Tibialis Posterior

Answer 14

Plantarflexes ankle, inverts foot, supports medial longitudinal arch of foot