Muscles of the foot Layer 1

Question 1

There are 4 Extensors + TA

List the muscles that Dorsiflex the foot
2 short Extensors and 2 Long Extensors

Answer 1

Extensor Digitorum Brevis

Extensor Hallucis Brevis

Extensor Digitorum Longus

Extensor Hallucis Longus

Tibialis Anterior

Question 2

They tend to be Posterior 7 Muscles

List the muscles that Plantar Flex the foot

2 Flexors Longus, 2 Peroneus/Fibularis and 3 others 2 being Calf Muscles

Answer 2

Soleus

Gastrocnemius

Tibialis Posterior

Peroneus Longus

Peroneus Brevis

Flexor Hallucis Longus

Flexor Digitorum Longus

Question 3

What Does Brevis refer to in Anatomy

Answer 3

Brevis is the Latin word for Short used when refering to muscles

Question 4

List the Muscles on the First layer of the Foot/Sole Layer 1
Work form Medial to lateral

Answer 4

Abductor Hallucis

Flexor Digitorum Brevis

Abductor digiti minimi

Question 5

Detail the Charecteristics of Abductor Hallucis

Answer 5

Abductor Hallucis:
* Origin - Medial process of the Calcaneal tuberosity

• Insertion - Medial side base of the Proximal Phalanx
• Innervation - Medial plantar Nerve S2 S3
• Function - Abduct and flex the big toe at MTP Joint

Question 6

Detail the Charecteristics of Flexor Digitorum Brevis

Answer 6

Flexor Digitorum Brevis
* Origin - Medial process Calcaneal tuberosity and Plantar Aponeurosis

• Insertion - Middle phalanges of digitis 2-5 Bifurcates to pass around each side of Tendon of Flexor Digitorum Longus
• Innervation - Medial Plantar Nerve S2 S3
• Function - Flexes digits 2-5 at the PIP Joints (Proximal Interphalangeal Joints)

Question 7

Detail the Characteristics of Abductor Digiti Minimi

Answer 7

Abductor Digiti Minimi
* Origin - Lateral and Medial Base of the Calcaneal Tuberosity
* Insertion - Lateral side of the base of the Proximal Phalanx Digit 5
* Innervation - Lateral Plantar Nerve S2 S3
* Function - Abducts the 5th Digit at the MTP Joint