Leg

Question 1

Where does the leg extend to?

Answer 1

From knee to ankle

Question 2

What makes the leg susceptible to compartment syndrome?

Answer 2

Crural fascia

Question 3

What are the three compartments of the leg?

Answer 3

Anterior, lateral, posterior

Question 4

What innervates the anterior compartment?

Answer 4

Deep fibular n (L4-S1)

Question 5

What innervates the lateral compartment?

Answer 5

Superficial fibular nerve (L5-S1)

Question 6

What innervates the posterior compartment?

Answer 6

Tibial nerve (S1-S2)

Question 7

What artery has branches supplying each compartment?

Answer 7

Popliteal artery -> from femoral artery

Question 8

What spinal level is the patellar reflex?

Answer 8

L4

Question 9

What spinal level is the Achilles reflex?

Answer 9

S1

Question 10

What nerve is in direct contact with the neck of the fibula?

Answer 10

Common fibular nerve

Question 11

Anterior compartment major functions

Answer 11

Dorsiflexion, toe extension, inversion, eversion

Question 12

Posterior compartment major functions

Answer 12

Toe flexion, plantar flexion, inversion

Question 13

Lateral compartment major function

Answer 13

Eversion

Question 14

What is the height of the common fibular nerve?

Answer 14

About the height of a car bumper

Question 15

Muscles in anterior compartment

Answer 15

Tibialis anterior, extensor digitorum longus, extensor hallicus longus, fibularis tertius, extensor digitorum brevis

Question 16

Chief inventors of foot

Answer 16

Tibialis anterior & posterior

Question 17

Chief evertors of foot

Answer 17

Fibularis longus and brevis

Question 18

Muscle that unlocks knee joint

Answer 18

Popliteus

Question 19

Muscle impacted by foot slap

Answer 19

Tibilias anterior

Question 20

What is the primary function of EDL?

Answer 20

Extends toes 2-5

Question 21

What is the primary function of EHL?

Answer 21

Extends great toe

Question 22

What is the most variable anterior muscle?

Answer 22

Extensor digitorum brevis

Question 23

What are the muscles of the lateral compartment?

Answer 23

Fibularis longus and brevis

Question 24

Where does the fibular longus attach?

Answer 24

Tendon attaches to base of 1st metatarsal

Question 25

Where does fibularis brevis attach?

Answer 25

Base of 5th metatarsal

Question 26

What composes the triceps surae?

Answer 26

Gastrocnemius and soleus

Question 27

Where does the triceps surae attach?

Answer 27

Achilles tendon

Question 28

Where can you find the plantaris?

Answer 28

Under the gastrocnemius

Question 29

What is the main function of the posterior compartment?

Answer 29

Plantarflexion

Question 30

What are the components of the posterior compartment?

Answer 30

Triceps surae, plantaris, popliteus, tibilias posterior, flexor digitorum longus, flexor hallicus longus

Question 31

What is the major function of the popliteus?

Answer 31

Medial rotator (unlocks knee), sits deep in popliteal fossa

Question 32

What are the branches of the popliteal artery?

Answer 32

Superior muscular, sural, cutaneous branches, geniculars

Question 33

What are the two major divides of popliteal artery?

Answer 33

Anterior tibial and posterior tibial

Question 34

What tendon is affected of the avulsion fracture of 5th metatarsal?

Answer 34

Fibularis brevis

Question 35

What is the ligament that checks backward displacement of the femur on tibia?

Answer 35

Anterior cruciate ligament

Question 36

What ligament has laxity during a positive valgus maneuver?

Answer 36

Medial collalateral

Question 37

What division of the popliteal artery goes into anterior compartment?

Answer 37

Anterior tibial

Question 38

What division of the popliteal artery goes into the posterior compartment?

Answer 38

Posterior tibial

Question 39

What artery goes to lateral compartment?

Answer 39

Fibular artery

Question 40

Injury of the tibial nerve near the popliteal fossa causes?

Answer 40

0/5 muscle strength of plantarflexion, and 0 Achilles reflex

Question 41

Tibial nerve injury near the ankle

Answer 41

No muscle weakness

Question 42

Etiology of common fibular nerve injury

Answer 42

Diabetes, age