Exam 2 - LE

Question 1

Tibia

Answer 1

• Most common leg bone to be fractured
• relatively poor blood supply
• anteromedial surface is bare

-soleal (oblique) line on
posterior surface

Question 2

Fibula

Answer 2

• Lateral malleolus , ankle stability

- site for muscle attachment

Question 3

crural fascia

Answer 3

attachment to anterior and medial borders of tibia that leaves bare area

Question 4

Located in superficial posterior compartment, the sural nerve runs with the

Answer 4

lesser saphenous vein

Question 5

Other cutaneous nerves of superficial posterior compartment

Answer 5

lateral sural cutaneous nerve LSCN
Medial sural cutaneous
MSN

Question 6

Push-off muscle for walking, jumping, running?

Answer 6

Flexor hallucis longus

Question 7

Deep Posterior Compartment nerve supply and blood supply

Answer 7

tibialis nerve

posterior tibial artery

Question 8

Paralysis of which muscle of the anterior compartment results in foot drop?

Answer 8

Tibialis anterior

Question 9

Muscle in anterior compartment that is sometimes missing, but helps with foot dorsiflexion and eversion.

Answer 9

peroneus (fibularis) tertius

Question 10

anterior tibial artery becomes what artery at ankle joint

Answer 10

dorsalis pedis

dp pulse

Question 11

What accompanies anterior tibial artery extensor hallucis longus and tibialis anterior muscles

Answer 11

deep peroneal fibular nerve

Question 12

which muscle uses lateral malleolus as pulley and is easily palpated?

Answer 12

peroneus fibularis longus

Question 13

Divisions of the Foot

Hindfoot:

Answer 13

Talus

Calcaneus

Question 14

Divisions of the Foot

Midfoot:

Answer 14

Navicular

cuboid

cuneiforms

Question 15

divisions of the foot

forefoot

Answer 15

metatarsals

phalanges

Question 16

Which ligament is the weakest in the ankle

Answer 16

lateral collateral

Question 17

Y shaped complex with stem of Y on lateral side of ankle

Answer 17

extensor retinaculum

dorsum of foot

Question 18

Interossei

how many pads and dabs

Answer 18

Plantar (adductors) - 3

Dorsal ( abductors) - 4

Question 19

Contents of first layer of sole of foot

Answer 19

abductor hallucis
flexor digitorum brevis
abductor digit minimi

tendons -
flexor digitorum longus
flexor hallucis longus

Question 20

Contents of second layer of sole of foot

Answer 20

Quadratus plantae

lumbricals

Question 21

contents of third layer of sole of foot

Answer 21

flexor hallucis brevis

adductor hallucis

flexor digit minimi brevis

Question 22

contents of fourth layer of sole of foot

Answer 22

dorsal interossei - 4

plantar interossei - 3

Question 23

what tendons pass under each retinacula

superior/inferior extensor retinacula

Answer 23

superior/inferior extensor retinacula

• tibialis anterior
• extensor hallucis longus
• extensor digitorum longus
• peroneus tertius

Question 24

Pes cavus

Answer 24

high arch

Question 25

Pes planus

Answer 25

flat foot

Question 26

how much abduction can you get in big toe and little toe?

Answer 26

very little.

Question 27

Peroneal retinacula

Answer 27

superior and inferior peroneal tendons of both the peroneus longus and brevis pass through both of these retinacula

Question 28

Sole of Foot | First muscle layer

Answer 28

- abductor hallucis (medial plantar nerve) - flexor digitorum brevis ( medial plantar nerve) - abductor digiti minimi (lateral plantar)

Question 29

Sole of Foot | Second muscle layer

Answer 29

- quadratus plantae (lateral plantar) | - lumbricals (lateral plantar. 1st medial plantar)

Question 30

Sole of Foot | Third muscle layer

Answer 30

- flexor hallucis brevis ( medial plantar) - abductor hallucis ( lateral plantar) - flexor digit minimi brevis ( lateral plantar

Question 31

Sole of Foot | Fourth muscle layer

Answer 31

-interossei - 3 PAD 4 DAB (lateral plantar nerve)

Question 32

which tendon passes between sesamoid bones in tendons of flexor hallucis brevis in third muscle layer of sole of foot

Answer 32

flexor hallucis longus tendon

Question 33

which toe is axis for abduction and adduction

Answer 33

2nd toe

Question 34

tendons in first muscle layer

Answer 34

flexor digitorum longus | flexor hallucis longus

Question 35

tendons in fourth muscle layer

Answer 35

- peroneus longus tendon | - tibialis posterior tendon

Question 36

what tendons lie under the retinaculum flexor retinaculum

Answer 36

flexor retinaculum - flexor hallucis longus - flexor digitorum longus - tibialis posterior

Question 37

what tendons lie under the retinaculum peroneal fibular retinaculum

Answer 37

peroneal (fibular) retinaculum - peroneus (fibularis) longus - peroneus (fibularis) brevis