Unit II Lec 20

Question 1

Two bones form the skeleton of the leg

Answer 1

tibia and the fibula

Question 2

the large distal medial bone of the leg

Answer 2

tibia

Question 3

smaller distal end of the tibia forms the

Answer 3

medial malleolus

Question 4

Proximally, tibia articulates with the _________

Answer 4

condyles of the femur and the head of the fibula

Question 5

tendinous insertions below the medial tibial condyle is called

Answer 5

pes anserinus (or goose’s foot)

Question 6

pes anserinus (or goose’s foot) formed by the tendons of what 3 mx

Answer 6

sartorius, the gracilis, and the semitendinosus muscles

Question 7

slender lateral bone of leg, does not transmit weight

Answer 7

fibula

Question 8

The ______ nerve crosses posterolateral to the neck of the fibula

Answer 8

common peroneal

Question 9

The distal end of the fibula forms the ________

Answer 9

lateral malleolus

Question 10

Both the medial and lateral malleoli articulate with what foot bone

Answer 10

talus

Question 11

Three articulations between the tibia the fibula

Answer 11

superior tibiofibular joint; the inferior tibiofibular joint, and the middle tibiofibular joint (interosseous membrane)

Question 12

The deep fascia of the leg is called

Answer 12

crural fascia

Question 13

crural fascia is a continuation of the _______

Answer 13

deep fascia of the thigh

Question 14

3 compartments of the crural fascia are

Answer 14

anterior, lateral and posterior

Question 15

The posterior compartment of the crural fascia is split into what two layers

Answer 15

deep and superficial

Question 16

Superior interosseous membrane possesses an opening for the passage of the ________ to the anterior compartment

Answer 16

anterior tibial vessels

Question 17

Inferior interosseous membrane opening, allows the _______ to enter the anterior compartment

Answer 17

perforating branch of the peroneal artery

Question 18

Anterior Cutaneous Innervation of the Leg, 3 nerves

Answer 18

lateral sural cutaneous nerve, superficial peroneal nerve, saphenous nerve

Question 19

Lateral Cutaneous Innervation of the Leg

Answer 19

superficial peroneal nerve

Question 20

Poterior Cutaneous Innervation of the Leg, 5 nerves

Answer 20

posterior cutaneous nerve of the thigh, lateral sural cutaneous nerve, sural nerve, saphenous nerve, medial sural nerve

Question 21

common peroneal nerve branches into what 2 nerves

Answer 21

lateral sural cutaneous nerve, superficial peroneal nerve

Question 22

branch of the femoral nerve for anterior cutaneous innervation of leg

Answer 22

saphenous nerve

Question 23

The superficial peroneal nerve divides into what 2 nerves just above the ankle

Answer 23

medial and intermediate dorsal cutaneous nerves of the foot

Question 24

The sural nerve continues along the side of the foot as the __________ nerve of the foot

Answer 24

lateral dorsal cutaneous nerve

Question 25

branch of the tibial nerve that does posterior cutaneous innervation of leg

Answer 25

medial sural nerve

Question 26

Anterior Fascial Compartment has within it 4 muscles

Answer 26

1. tibialis anterior 2. extensor hallucis longus 3. extensor digitorum longus 4. peroneus tertius

Question 27

Lateral Fascial Compartment of the leg contains only 2 muscles

Answer 27

The peroneus longus, The peroneus brevis

Question 28

Most superficial mx in the lateral fascial compartment of the leg

Answer 28

peroneus longus

Question 29

The ________ passes between 2 heads of peroneus longus

Answer 29

common peroneal nerve

Question 30

Mx deep to the peroneus longus

Answer 30

peroneus brevis

Question 31

peroneus longus tendon runs posterior to the

Answer 31

lateral malleolus

Question 32

Peroneus brevis tendon is found behind the

Answer 32

lateral malleolus

Question 33

Two layers of mx of the posterior compartment of leg

Answer 33

superficial and deep

Question 34

3 superficial mx of the posterior compartment of leg

Answer 34

gastrocnemius, plantaris, soleus

Question 35

superficial leg mx of posterior compartment that has a medial and a lateral head

Answer 35

gastrocnemius

Question 36

At the lower end, gastrocnemius tendon blends with the soleus muscle tendon to form the _______

Answer 36

tendocalcaneus

Question 37

small, mostly tendon superficial mx of posterior compartment of leg

Answer 37

plantaris

Question 38

mx lies deep to gastrocnemius

Answer 38

soleus

Question 39

soleus separates from the muscles of the deep layer by the _______

Answer 39

transverse intermuscular septum

Question 40

4 deep mx of posterior compartment of leg

Answer 40

popliteus, flexor digitorum longus, flexor hallucis longus, tibialis posterior

Question 41

deep mx of posterior compartment of leg forms the floor of the popliteal fossa

Answer 41

popliteus

Question 42

deep mx of posterior compartment of leg lies medial to the flexor hallucis longus

Answer 42

flexor digitorum longus

Question 43

deep mx of posterior compartment of leg attaches to the fibula

Answer 43

flexor hallucis longus

Question 44

deep mx of posterior compartment of leg found on the floor of the posterior compartment and is the deepest muscle of the posterior leg

Answer 44

tibialis posterior

Question 45

popliteus tendon is intracapsular and it attaches to the _________

Answer 45

posterior aspect of the lateral meniscus

Question 46

flexor digitorum longus tendon crosses over the tendon of the ________, passes in a groove behind the ______

Answer 46

tibialis posterior, medial malleolus

Question 47

flexor hallucis longus tendon goes to

Answer 47

big toe

Question 48

anterior compartment of the leg is mainly vascularized by

Answer 48

anterior tibial artery

Question 49

anterior tibial artery is a branch of the

Answer 49

popliteal artery

Question 50

anterior tibial artery continues on the foot as the

Answer 50

dorsalis pedis artery

Question 51

The ______ supplies most of the blood to the posterior compartment

Answer 51

posterior tibial artery

Question 52

posterior tibial artery is a terminal branch of the ________

Answer 52

popliteal artery

Question 53

The posterior tibial artery divides into 2 terminal branches:

Answer 53

the medial and the lateral plantar arteries

Question 54

Branches of the popliteal artery supply the ________ of the posterior compartment

Answer 54

upper portions of the superficial muscles

Question 55

the pulse of the posterior tibial artery can be palpated between the ________

Answer 55

medial malleolus and the medial border of the tendocalcaneus

Question 56

Lateral Compartment of leg, The blood supply is provided by the branches of the -______

Answer 56

peroneal artery

Question 57

peroneal artery is a branch of the ______

Answer 57

posterior tibial artery

Question 58

Innervation of the Lateral and Anterior Compartments is from

Answer 58

common peroneal nerve

Question 59

common peroneal nerve is a smaller terminal branch of the

Answer 59

sciatic nerve

Question 60

2 terminal branches of the common peroneal nerve

Answer 60

superficial and deep peroneal nerves

Question 61

superficial perneal nerves innervate the

Answer 61

lateral leg compartment mx

Question 62

deep peroneal nerves innervate the

Answer 62

anterior leg compartment mx

Question 63

lateral sural cutaneous nerve is a branch of the

Answer 63

common peroneal nerve

Question 64

articular branches (knee joint) from what nerve

Answer 64

common peroneal nerve

Question 65

The ________ provides innervation to the posterior compartment

Answer 65

tibial nerve

Question 66

The tibial nerve is a terminal branch of what n

Answer 66

sciatic nerve

Question 67

Distally, the tibial nerve divides into the ________ nerves

Answer 67

medial and lateral plantar nerves

Question 68

nerves that supply motor and sensory to mx sole of the foot

Answer 68

medial and lateral plantar nerves