LL: Foot

Question 1

Bones of the foot

Answer 1

Question 2

Sustentaculum Tali

Answer 2

Projection from calcaneus allowing talus placement

Question 3

Parts of deltoid ligament

Answer 3

4 parts

Question 4

Lateral ligaments of ankle

Answer 4

3 parts

Question 5

Structures posterior to medial malleolus/through tarsal tunnel

Answer 5

Tom Dick And Nervous Harry

Tibialis posterior tendon
flexor Digitorum longus
posterior tibial Artery
tibial Nerve
Hallucis longus

Question 6

Structures posterior to lateral malleolus

Answer 6

Superficial to peroneal retinaculum:

• Sural nerve
• Short saphenous vein

Deep:

• Peroneus longus

Peroneus brevis

Question 7

Origin and insertion of extensor digitorum brevis

Answer 7

calcaneus to great toe

Question 8

Innervation of extensor digitorum brevis

Answer 8

Deep fibular nerve

Question 9

Action of extensor digitorum brevis

Answer 9

Extension of MTP of great toe and toes

Question 10

Muscles of the sole of the foot

Answer 10

From superficial to deep

4 layers

Question 11

Most superficial (1st) layer of muscles of sole of the foot

Answer 11

Abductor hallucis

Flexor digitorum brevis

Abductor digiti minimi

Question 12

Origin and insertion of abductor hallucis

Answer 12

calcaneous to proximal phalanx

Question 13

Origin and insertion of flexor digitorum brevis

Answer 13

Calcaneus to phalanges of lateral 4 toes

Question 14

Origin and insertion of abductor digiti minimi

Answer 14

Calcaneus to proximal phalanx of little toe

Question 15

Innervation of abductor hallucis and flexor digitorum brevis

Answer 15

Medial plantar nerve from tibial nerve

Question 16

Innervation of abductor digiti minimi

Answer 16

Lateral plantar nerve from tibial nerve

Question 17

Action of flexor digitorum brevis

Answer 17

Flexes toes at PIP

Question 18

Second layer of foot muscles

Answer 18

Quadratus plantae

Lumbricals

Question 19

Origin and insertion of quadratus plantae

Answer 19

Calcaneus to tendon of flexor digitorum longus

Question 20

Origin and insertion of lumbricals

Answer 20

Tendon of flexor digitorum longus to extensor hoods of toes

Question 21

Innervation of quadratus plantae

Answer 21

lateral plantar nerve

Question 22

Innervation of lumbricals

Answer 22

1st- medial plantar nerve of tibial nerve

Rest- lateral plantar nerve of tibial nerve

Question 23

Action of quadratus plantae

Answer 23

Assists flexor digitorum longus to flex

Question 24

Action of lumbricals

Answer 24

Flexion of MTP, extension of PIP/DIP

Question 25

3rd layer of sole of the foot muscles

Answer 25

Flexor hallucis brevis Adductor hallucis Flexor digiti minimi brevis

Question 26

Origin and insertion of flexor hallucis brevis

Answer 26

Cuboid and lateral cuneiform: tendon of tibialis posterior to base of proximal phalanx of great toe

Question 27

Origin and insertion of flexor digiti minimi brevis

Answer 27

Base of metatarsal 5 to lateral side of proximal phalanx

Question 28

Innervation of flexor hallucis brevis

Answer 28

medial plantar nerve

Question 29

Innervation of adductor hallucis and flexor digiti minimi brevis

Answer 29

Lateral plantar nerve

Question 30

Muscles of 4th layer of sole of foot

Answer 30

Dorsal interossei Plantar interossei

Question 31

Origin and insertion of dorsal interossei

Answer 31

Adjacent metatarsals to extensor hoods of proximal phalanges

Question 32

Origin and insertion of plantar interossei

Answer 32

medial side of metatarsal to extensor hoods

Question 33

Innervation of interossei muscles

Answer 33

Lateral plantar nerve from tibial nerve (2nd dorsal interossei innervated by deep fibular nerve)

Question 34

Function of interossei muscles

Answer 34

PAD DAB Dorsal abduct Plantar adduct

Question 35

Dorsal foot blood supply

Answer 35

Question 36

Plantar foot blood supply

Answer 36

Question 37

Foot venous supply

Answer 37

Question 38

Sole of the foot sensory innervation

Answer 38

Question 39

Dorsal aspect of foot sensory innervaiton

Answer 39

Question 40

Ankle reflex spinal route

Answer 40

S1-2

Question 41

Which foot ligament damaged in inversion injuries

Answer 41

Anterior talofibular ligament Calcaneofibular ligament

Question 42

Which foot ligaments are injured in eversion foot injury

Answer 42

Deltoid

Question 43

Damage to calcaneonavicular ligament

Answer 43

Causes loss of medial longitudinal arch/ flat foot aka spring ligament