Ankle Muscles

Question 1

Tibialis Anterior

Answer 1

Origin: Lateral Condyle (Tibia)
Insertion: Medial Cuneiform
Function: Dorsiflexion & inversion
Innervation: Deep Fibular Nerve

Question 2

Extensor Digitorum Longus

Answer 2

Origin: Lateral Epicondyle (Tibia) & Fibula
Insertion: Middle & distal phalanges of toes 2-5
Function: Dorsiflexion & extends the toes
Innervation: Deep fibular nerve

Question 3

Extensor Hallucis Lomgus

Answer 3

Origin: Shaft (medial surface) of the fibula
Insertion: Distal phalanx of the big toe
Function: Dorsiflexion & Extends the big toe
Innervation: Deep fibular nerve

Question 4

Peronus Tertius

Answer 4

Origin: Fibula
Insertion: 5th metatarsal
Function: Dorsiflexion & Inversion
Innervation: Deep fibular nerve

Question 5

Peronus Longus

Answer 5

Origin: Head of the fibula
Insertion: base of the 1st metatarsal & medial cuneiform
Function: Plantarflexion & Eversion
Innervation: Superficial fibular nerve

Question 6

Peroneus Brevis

Answer 6

Origin: Fibula
Insertion: Base of the 5th metatarsal
Function: Plantarflexion + Eversion
Innervation: Superficial fibular nerve

Question 7

Gastrocnemius

Answer 7

Origin: Lateral femoral condyle (lateral head) & medial femoral condyle (medial head)
Insertion: Posterior of the calcaneus
Function: Plantarflexion (w/ knee extended) & Flexion of the knee & Raise of the heel
Innervation: Tibial nerve

Question 8

Soleus

Answer 8

Origin: Fibula head & Posterior border of the Tibia
Insertion: Posterior surface of the calcaneus
Function: Plantarflexion & Steadies the leg
Innervation: Tibial nerve

Question 9

Plantaris

Answer 9

Origin: Lateral supracondylar of the femur
Insertion: Posterior surface of the calcaneus
Function: Weak plantarflexion
Innervation: Tibial nerve

Question 10

Tibialis Posterior

Answer 10

Origin: Posterior surface of the
Insertion: Navicular tuberosity & cuneiform & cuboid & base of the 2-4 metatarsal.
Function: Plantarflexion & Inversion
Innervation: Tibial nerve

Question 11

Flexor Digitorum Longus

Answer 11

Origin: Posterior surface of tibia
Insertion: Base of the 2-4 distal phalanges
Function: Plantarflexion
Innervation: Tibial nerve

Question 12

Flexor Hallucis Longus

Answer 12

Origin: Inferior 2/3 posterior surface
Insertion: Base distal phalanx of the big toe
Function: Weak plantarflexion & flexion of the big toe
Innervation: Tibial nerve