Second Layer Muscles of Sole of Foot

Question 0

Lumbricals

Answer 0

Origin: Tendons of flexor digitorum longus

Insertion: Medial aspect of expansion over lateral four digits

Innervation: (medial one) medial plantar nerve (S2, S3); (lateral three) lateral plantar nerve (S2, S3)

Question 1

Quadratus Plantae

Answer 1

Origin: Medial surface and lateral margin of plantar surface of calcaneous

Insertion: Posterolateral margin of tendon of flexor digitorum longus

Innervation: Lateral Plantar Nerve (S2, S3)