3rd Layer Of Plantar Surface Muscles

Question 1

Flexor Hallucis Brevis

Answer 1

O: cuboid and lateral cuneiform
I: proximal phalanx of big toe
A: flex s great toe
N: medial plantar (S2-3)

Question 2

Flexor Digiti Quinti (minimi)

Answer 2

O: base of 5th MT
I: proximal phalanx of the 5th toe
A: flex little toe
N: lateral plantar (S2-3)

Question 3

Adductor Hallucis

Answer 3

O: oblique head-base of 2nd, 3rd, and 4th MT
transverse head-plantar ligaments of lateral 4 MTPJ
I: proximal phalanx
A: adduct great toe, assists in maintaining the transverse arch of foot
N: lateral plantar (S2-3)