Unit 4

Question 1

Anterior compartment contains:
Nerve innervation
Muscles
Septum
Artery
Vein

Answer 1

Deep fibular (Peroneal) N.
Extensor hallucis Longus m.
Extensor Digitorium longus m.

Question 2

Dorsiflexion has _____% of the power of plantar flexion.

Answer 2

25

Question 3

Main function of Dorsi flexion is

Answer 3

Clearing toes during swing phase in norm gait & forefoot touch-down after heel strike

Question 4

Anterior compartment muscles
Dorsiflexors of the _____
Extensors of the _____

Answer 4

Ankle

Toes

Question 5

Extensors of toes include

Answer 5

Tibialis Ant.
Extensor Digitorium longus/halluicus longus
Fibularis tertisu

Question 6

Tibialis anterior

Origin

Answer 6

Lateral condyle

Question 7

Tibialis anterior insertion

Answer 7

Medical cuneiform bone

Base of the 1st metatarsal

Question 8

Tibialis anterior action

Answer 8

Dorsiflexes the foot at ankle

Inversion of foot

Question 9

The anterior compartment of the leg contains muscles that?

Answer 9

dorsiflex the foot and extend the toes

Question 10

The extensor retinaculum encompasses the tendons of extensor digitorum longus, extensor hallicus longus, tibialis anterior, and?

Answer 10

Fibularis tertius

Question 11

This structure keeps the tendons of fibularis longus and brevis tucked up against and behind the lateral malleolus?

Answer 11

Fibular retinaculum

Question 12

This muscle inserts on the inferior surface of the medial cuneiform and base of the first metatarsal?

Answer 12

Fibularis longus

Question 13

This posterior muscle is active when standing quietly to help maintain posture.

Answer 13

Soleus

Question 14

This muscle may pull the lateral meniscus posteriorly during knee flexion.

Answer 14

Popliteus

Question 15

This muscle originates on the inferior 2/3 of the fibula and the interosseous membrane.

Answer 15

Flexor hallicus longus

Question 16

The fibular artery is a branch of which artery?

Answer 16

Tibialis posterior

Question 17

The medial plantar nerve is a branch of which nerve?

Answer 17

Tibial

Question 18

The axis of what digit serves as the midline for the foot?

Answer 18

Digit 2

Question 19

The dorsal muscles of the foot are innervated by which nerve?

Answer 19

Deep fibular

Question 20

The deep plantar artery from the dorsalis pedis joins which artery to form the deep plantar arch?

Answer 20

lateral plantar

Question 21

The lateral and posterior 1/3rd of the leg is cutaneously innervated by which nerve?

Answer 21

Sural

Question 22

This structure deepens the acetabulum to stabilize the hip joint?

Answer 22

Acetabular labrum

Question 23

Increased hip mobility is found when the hip is?

Answer 23

Flexed

Question 24

Which arteries supply the adult femoral head and neck?

Answer 24

Retinacular arteries

Question 25

The knee is most at risk for injury when it is?

Answer 25

Hyperextended

Question 26

Stabilization of the knee is most dependent on the strength and actions of the surrounding muscles and tendons.

Answer 26

True

Question 27

This structure acts a s a trochlea (sling) for muscles emerging from the pelvis?

Answer 27

Lesser sciatic notch

Question 28

The thickened fascia lata known as the iliotibial tract forms the aponeurosis of what two muscles?

Answer 28

Tensor fascia

Gluteus maximus

Question 29

This vessel formed by the union of the dorsal digital vein of the great toe and the dorsal venous arch ascends anterior to the medial malleolus?

Answer 29

Great saphenous vein

Question 30

The small saphenous vein drains into which vein?

Answer 30

Popliteal vein

Question 31

Which muscle is the prime pronator of the hand/forearm?

Answer 31

Pronator quadratus

Question 32

Which of the following muscles is both synergistic and antagonistic with extensor carpi radialis longus? May be more than one.

Answer 32

extensor carpi ulnaris

flexor carpi radialis

Question 33

Not all people have this forearm flexor, what is it?

Answer 33

palmaris longus