Foot (2nd Layer, Plantar Surface)

Question 1

Quadratus plantae (origin)

Answer 1

medial and lateral sides of the plantar surface of calcaneus, distal to tuberosity

Question 2

Quadratus plantae (insertion)

Answer 2

lateral and posterior margin of flexor digitorum longus tendon

Question 3

Quadratus plantae (action)

Answer 3

flexion of toes 2-5

Question 4

Quadratus plantae (innervation)

Answer 4

lateral plantar nerve

Question 5

Quadratus plantae (blood supply)

Answer 5

deep plantar arterial arch

Question 6

Lumbricals (origin)

Answer 6

each slip of the digitorum longus

Question 7

Lumbricals (insertion)

Answer 7

expansions of extensor tendons of toes 2-5

Question 8

Lumbricals (action)

Answer 8

flexion at MTP joint for toes 2-5

Question 9

Lumbricals (innervation)

Answer 9

1: medial plantar nerve
2-4: lateral plantar nerve

Question 10

Lumbricals (blood supply)

Answer 10

deep plantar arterial arch