Tibial Nerve Muscles

Question 1

Gastrocnemius (O, I & Nerve route)

Answer 1

Origin:
Later head: Posterolateral surface of the lateral femoral Condyle

Medial head: Posterior surface of medial femoral Condyle, popliteal surface of femoral shaft

Insertion: Posterior surface of the calcaneus (via calcaneal tendon)

Nerve route: Tibial Nerve (S1, S2)

Question 2

Soleus (O, I and Nerve route)

Answer 2

Origin:
Soleal line, Medial border of tibia, Head of Fibula and Posterior border of Fibula

Insertion:
Posterior surface of calcaneus (via calcaneal tendon)

Nerve route: Tibial nerve (S1, S2)

Question 3

Plantaris (O, I and Nerve route)

Answer 3

Origin:
Lateral supracondylar line of femur, Oblique popliteal ligament of knee

Insertion:
Posterior surface of calcaneus (via calcaneal tendon)

Nerve route: Tibial nerve (S1, S2)

Question 4

Popliteus (O, I & Nerve route)

Answer 4

Origin:
Lateral Condyle of femur, posterior horn of lateral meniscus

Insertion:
Posterior surface of proximal tibia

Nerve route: Tibial nerve (L4 - S1)

Question 5

Tibialis Posterior (O, I & nerve)

Answer 5

Origin:
Posterior surface of tibia, fibula and interosseous membrane

Insertion:
Tuberosity of navicular bone, all cuneiform bones, bases of metatarsal bones 2 - 4 (cuboid bone)

Nerve route: Tibial nerve (L4, L5)

Question 6

Flexor Digitorum Longus (O, I & Nerve route)

Answer 6

Origin:
Posterior surface of tibia (inferior soleal line)

Insertion:
Bases of distal phalanges of digits 2 - 5

Nerve route: Tibial nerve (L5 - S2)

Question 7

Flexor Hallucis Longus (O, I & Nerve route)

Answer 7

Origin:
2/3rd of posterior surface of fibula, Interosseous membrane, Posterior intermuscular septum, Fascia of tibialis posterior muscle

Insertion:
Base of distal phalanx of great toe

Nerve route: Tibial nerve (S2, S3)