Intrinsic Muscles of the Foot - 1st Layer

Question 1

Abductor Hallucis

Answer 1

origin: calcaneus
insertion: base of the proximal phalanx of digit 1
innervation: medial plantar N.
action: abduction of the great toe

Question 2

Flexor Digitorum Brevis

Answer 2

origin: calcaneus and plantar aponeurosis
insertion: middle phalanx of digits 2-5
innervation: medial plantar N.
action: flexion of digits 2-5

Question 3

Abductor Digiti Minimi

Answer 3

origin: calcaneus
insertion: base of the proximal phalanx of digit 5
innervation: lateral plantar N.
action: abduction of the small toe