Muscles of the Ankle

Question 1

Name the Origin, Insertion, Action, and Nerve for:

Tibialis Anterior

Answer 1

O: Lat Tibia (Upper 2/3)

I: Med Cuneiform, base of 1st MT

A: DF ankle, Invert STJ

N: Deep Fibular N

Question 2

Name the Origin, Insertion, Action, and Nerve for:

Extensor Digitorium Longus

Answer 2

O: Ant Fibula

I: Base of 2-5 middle/distal phalanges

A: DF ankle, Evert STJ, Ext MTP/IP 2-5

N: Deep Fibular N

Question 3

Name the Origin, Insertion, Action, and Nerve for:

Extensor Hallucis Longus

Answer 3

O: Med fibula

I: Base of 1st distal phalanx

A: DF ankle, Evert/Invert STJ, Ext MTP/IP 1

N: Deep Fibular N

Question 4

Name the Origin, Insertion, Action, and Nerve for:

Peroneus Longus

Answer 4

O: Prox 2/3 lat fibula

I: Med Cuneiform

A: PF ankle, Evert STJ

N: Superficial Fibular nerve

Question 5

Name the Origin, Insertion, Action, and Nerve for:

Peroneus Brevis

Answer 5

O: Distal 1/2 lat fibula

I: Base 5th MT

A: PF ankle, Evert STJ

N: Superficial Fibular N

Question 6

Name the Origin, Insertion, Action, and Nerve for:

Peroneus tertius

Answer 6

O: Distal anterior fibula

I: Base 5th MT

A: DF ankle, Evert STJ

N: Deep fibular N

Question 7

Name the Origin, Insertion, Action, and Nerve for:

Soleus

Answer 7

O: Soleal Line of Tibia

I: Calcaneal Tuberosity via Achilles Tendon

A: PF ankle, Invert STJ

N: Tibial N

Question 8

Name the Origin, Insertion, Action, and Nerve for:

Gastrocnemius

Answer 8

O: Medial/Lateral epicondyle femur

I: Calcaneal Tuberosity via Achilles Tendon

A: PF ankle, Invert STJ, Flex knee

N: Tibial N

Question 9

Name the Origin, Insertion, Action, and Nerve for:

Plantaris

Answer 9

O: Lateral Epicondyle Femur

I: Calcaneal Tuberosity via Achilles Tendon

A: PF ankle, Invert STJ, Flex knee (small)

N: Tibial N

Question 10

Name the Origin, Insertion, Action, and Nerve for:

Tibialis Posterior

Answer 10

O: Posterior Tibia

I: Navicular, Med Cuneiform

A: PF ankle, Invert STJ

N: Tibial N

Question 11

Name the Origin, Insertion, Action, and Nerve for:

Flexor Digitorum Longus

Answer 11

O: Posterior Tibia

I: Base distal phalanges 2-5

A: PF ankle, Invert STJ, Flex MTP, Flex IP 2-5

N: Tibial N

Question 12

Name the Origin, Insertion, Action, and Nerve for:

Flexor Hallucis Longus

Answer 12

O: Posterior Fibula

I: Base distal phalanx 1

A: PF ankle, Invert STJ, Flex MTP/IP 1

N: Tibial N