Foot

Question 1

Nerve supply to dorsum of foot?

Answer 1

Superficial fibular nerve

Deep fibular nerve

Sural nerve

Question 2

What does the superficial fibular nerve give rise to?

Answer 2

medial and intermediate dorsal cutaneous nerves

Question 3

Deep peroneal nerve branches?

Answer 3

Lateral is motor to extensor hallucis brevis and extensor digitorum brevis

Medial is cutaneous

Question 4

Sural nerve branches?

Answer 4

lateral dorsal cutaneous nerve

Question 5

What is extensor retinaculum for?

Answer 5

Y shape on lateral side of ankle for tendons of extensor digitorum longus, extensor hallucis longus and tibialis anterior

Question 6

Flexor retinaculum?

Answer 6

For tendons of tibialis posterior, flexor digitorum longus and flexor hallucis longus

Question 7

What three muscles are in the dorsum of the foot?

Answer 7

Extensor digitorum bevis

Extensor hallicus brevis

Dorsal interossei (abductors- second toe is reference)

Question 8

What is the blood and nerve supply to sole of foot?

Answer 8

Posterior tibial artery branching into medial and lateral plantar arteries and perforating arteries.

Tibial nerve, saphenous nerve, sural nerve all cutaneous. Tibial nerve via lateral and medial plantar nerves are motor

Question 9

What muscles make up the first layer of the sole of the foot?

Answer 9

Abductor hallucis
Flexor digitorum brevis
Abductor digiti minimi

Question 10

What tendons make up the first layer of the sole of the foot?

Answer 10

Flexor digitorum longus tendon and Flexor hallucis longus tendon

Question 11

Abductor hallucis OIAI?

Answer 11

Calcaneal tuberosity, base of big toe, abduct big toe, medial plantar nerve S1- S2

Question 12

Flexor digitorum brevis OIAI?

Answer 12

Calcaneal tuberosity, sides of digits 2-5, flex PIP joints 2-5, Medial plantar L5, S1-S2

Question 13

Abductor digiti minimi OIAI?

Answer 13

Calcaneal tuberosity, proximal phalanx little toe, abducts little toe, Lateral plantar S2-S3

Question 14

What do the three muscles of the first layer of sole of foot have in common?

Answer 14

all originate from calcaneal tuberosity

Abd hall and Flex digiti brevis are medial plantar

Question 15

Second layer of muscles in the sole of the foot?

Answer 15

Quadratus plantae and Lumbricals

Question 16

Quadratus plantae OIAI?

Answer 16

medial head of medial plantar surface calcaneus, lateral edge of flex digiti longus tendon, flex DIP joints 2-5, Lateral plantar S2-S3

Question 17

Lumbricals OIAI?

Answer 17

First lumbrical from long tendon of second digit and three lateral lumbricals from intervals btw adjacent long flexor tendons.

Medial side to join extensor tendons Joints2-5

Flexes MP and extends PIP and DIP of 2-5

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

Question 18

Third muscle layer of the sole of foot?

Answer 18

Flexor hallucis longus tendon
Adductor hallucis
Flexor digiti minimi brevis

Question 19

FLexor hallucis brevis OIAI?

Answer 19

Plantar surface cuboid and lateral cuneiforms.

Both sides of proximal phalanx digit 1

Flexes proximal phalanx 1

Medial plantar nerve S2-S3

Question 20

Adductor hallucis OIAI?

Answer 20

Oblique head peroneus longus , base proximal phalanx great toe, adducts great toe, lateral plantar S2-S3

Question 21

Fourth layer of muscle in sole of foot?

Answer 21

Peroneus longus tendon
Tibialis posterior tendon
Interossei

Question 22

Dorsal interossei (4) OIAI?

Answer 22

Adjacent sides metatarsals 1-5

Medial side prox phalanx of digit 2 and lateral of digit 2-4

abducts digits 2-4

Lateral plantar nerve S2-S3