First Layer Muscles of Sole of Foot

Question 0

Flexor Digitorum Brevis

Answer 0

Origin: Medial tubercle of tuberosity of calcaneous, planar aponeurosis, and intermuscular septa

Insertion: Both sides of middle phalanges of lateral four digits

Innervation: Medial Plantar Nerve (S2, S3)

Question 1

Abductor Hallucis

Answer 1

Origin: Medial tubercle of tuberosity of calcaneous, flexor retinaculum, and plantar aponeurosis

Insertion: Medial side of base of proximal phalanx of 1st digit

Innervation: Medial Plantar Nerve (S2, S3)

Question 2

Abductor Digiti Minimi

Answer 2

Origin: Medial and lateral tubercles of tuberosity of calcaneous, plantar aponeurosis, and intermuscular septa

Insertion: Lateral side of base of proximal phalanx of 5th digit

Innervation: Lateral Plantar Nerve (S2, S3)