Plantar aspect of foot - LAYER 3

Question 1

What are the 3 muscles in Layer 3 of the plantar muscles of the foot?

Answer 1

• Flexor Hallucis Brevis
• Adductor Hallucis
• Flexor Digiti Minimi Brevis

Question 2

What is the origin of Flexor hallucis Brevis?

Answer 2

Plantar surface of Cuboid &
Lateral Cuneiform

Tendon of TIBIALIS POSTERIOR.

Question 3

What is the insertion of Flexor Hallucis Brevis?

Answer 3

Medial and lateral sides.
Base of PROXIMAL phalanx.
GREAT TOE.

Question 4

What is the innervation of Flexor Hallucis Brevis?

Answer 4

Medial Plantar Nerve

S1, S2

Question 5

What is the action of Flexor Hallucis Brevis?

Answer 5

FLEXES great toe (at metatarsophalangeal joint)

Question 6

What is the origin of Adductor Hallucis?

Answer 6

TRANSVERSE Head :
Lateral 3 toes, ligaments associated with metatarsophalangeal joint.

OBLIQUE HEAD:
Bases of metatarsals 2 to 4

Question 7

What is the insertion of Adductor Hallucis?

Answer 7

GREAT TOE
Lateral side.
Base of PROXIMAL Phalanx.

Question 8

What is the innervation of Adductor Hallucis?

Answer 8

Lateral plantar nerve

S2, S3

Question 9

What is the action of Adductor Hallucis?

Answer 9

Adducts GREAT TOE (at metatarsophalangeal joint)

Question 10

What is the origin of Flexor Digiti Minimi Brevis?

Answer 10

Base of Metatarsal 5

and related sheath of fibularis longus tendon

Question 11

What is the insertion of Flexor Digiti Minimi Brevis?

Answer 11

Lateral side of base of proximal phalanx of Little Toe.

Question 12

What is the innervation of Flexor Digiti Minimi?

Answer 12

Lateral Plantar Nerve

S2, S3

Question 13

What is the action of Flexor Digiti Minimi Brevis?

Answer 13

FLEXES Little toe at metatarsophalangeal joint.