3rd Layer of Plantar Foot Intrinsic Muscles

Question 1

What is the MA for the Adductor Hallucis?

Answer 1

Adduction of the 1st digit

Assists in maintaining transverse arch by pulling metatarsals medially

Question 2

What is the PA for the Adductor Hallucis?

Answer 2

Oblique Head: bases of metatarsals 2-4

Transverse Head: plantar ligaments of metatarsophalangeal (MTP) joints

Question 3

What is the DA for the Adductor Hallucis?

Answer 3

Lateral side of base of proximal phalanx of 1st digit

Question 4

What is the N of the Adductor Hallucis?

Answer 4

Lateral plantar nerve (S1, S2, & S3)

Question 5

What is the MA for the Flexor Hallucis Brevis?

Answer 5

Flexion of the 1st digit at the metatarsophalangeal (MTP) joint

Question 6

What is the PA for the Flexor Hallucis Brevis?

Answer 6

Plantar cuboid and lateral cuneiforms

Question 7

What is the DA for the Flexor Hallucis Brevis?

Answer 7

Both sides of base of proximal phalanx of 1st digit

THE 2 SESAMOID BONES OF THE GREAT TOE ARE CONTAINED WITHIN ITS TENDONS

Question 8

What is the N of the Flexor Hallucis Brevis?

Answer 8

Medial plantar nerve (L5 & S1)

Question 9

Flexor Digiti Minimi Brevis

Answer 9

Flexor Digiti Minimi is in the 3rd layer of the plantar surface of the foot