Deep Muscles of Posterior Compartment of the Leg

Question 0

Flexor Hallucis Longus

Answer 0

Origin: Inferior 2/3 of posterior surface of fibula and inferior part of interosseous membrane

Insertion: Base of distal phalanx of great toe (hallux)

Innervation: Tibial nerve (S2, S3)

Question 1

Popliteus

Answer 1

Origin: Lateral surface of lateral condyle of femur and lateral meniscus

Insertion: Posterior surface of tibia, superior to soleal line

Innervation: Tibial nerve (L4, L5, S1)

Question 2

Flexor Digitorum Longus

Answer 2

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

Insertion: Bases of distal phalanges of lateral four digits

Innervation: Tibial nerve (S2, S3)

Question 3

Tibialis Posterior

Answer 3

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

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

Innervation: Tibial nerve (L4, L5)