Muscles of the Foot (Plantar - Third Layer)

Question 1

Flexor Hallucis Brevis

Answer 1

O: cuboid bone, lateral cuneiform, tendon of the tibialis posterior muscle

I: medial and lateral sides of proximal phalanx of big toe

A: flexion of proximal phalanx of the big toe

In: medial plantar nerve

Question 2

Adductor Hallucis (OBLIQUE HEAD)

Answer 2

O: bases of second - fourth metatarsals, sheath of peroneus longus tendon

I: base of proximal phalanx of the big toe

A: adduction and flexion of the big toe

In: lateral plantar nerve

Question 3

Adductor Hallucis (TRANSVERSE HEAD)

Answer 3

O: capsules of third - fifth metatarsophalangeal joints, associated deep transverse metatarsal ligaments

I: base of proximal phalanx of the big toe

A: adduction and flexion of the big toe

In: lateral plantar nerve

Question 4

Flexor Digiti Minimi Brevis

Answer 4

O: base of fifth metatarsal

I: base of proximal phalanx of the little toe (plantar surface)

A: flexion of proximal phalanx of the little toe

In: lateral plantar nerve