Knee

Question 1

what muscles form the popliteal fossa

Answer 1

gastrocnemius m → medial and lateral heads

semimembranous m

semitendinosus m

biceps femoris m

Question 2

medial borders of the popliteal fossa

Answer 2

semimembranosus m

semitendinosus m

Question 3

lateral border of the popliteal fossa

Answer 3

biceps femoris m

Question 4

inferior border of the popliteal fossa

Answer 4

gastrocnemius m → medial and lateral heads

Question 5

what are the contents of the popliteal fossa

Answer 5

popliteal vein

lesser/short saphenous vein

popliteal a

tibial n

common fibular n

sural n

Question 6

floor of popliteal fossa

Answer 6

knee joint capsule

distal femur

proximal tibia

popliteus m

Question 7

roof of popliteal fossa

Answer 7

popliteal fascia

Question 8

nerves of the popliteal fossa (4)

Answer 8

tibial

common fibular

sural

posterior femoral cutaneous

Question 9

vessels of the popliteal fossa (3)

Answer 9

popliteal a

popliteal v

short saphenous v

Question 10

where do baker’s cysts occur

Answer 10

popliteal fossa

Question 11

the tibial n and common fibular n are branches of the

Answer 11

sciatic n

Question 12

what is the “belly” of the leg

Answer 12

gastrocnemius m

Question 13

the patella is a __ bone

in the __ tendon

Answer 13

sesamoid

quadriceps femoris

Question 14

fibular collateral ligament is same same

Answer 14

lateral ligament

Question 15

tibial collateral ligament is same same

Answer 15

medial ligament

Question 16

what are the muscles of the lateral/fibular/peroneal compartment of the lower leg

Answer 16

fibularis longus

fibularis brevis

Question 17

what is the action of the lateral/fibular/peroneal compartment muscles

Answer 17

evert foot

Question 18

what nerves innervate the lateral/fibular/peroneal compartment

Answer 18

superficial fibular/peroneal

Question 19

what is the pathway of the superficial fibular/peroneal n

Answer 19

sciatic n → common fibular/pronea n → branches around lateral knee → superficial fibular/peroneal n → lateral compartment

Question 20

dermatomes of the anterior compartment of the lower leg

Answer 20

L4

L5

S1

Question 21

actions of the muscles of the anterior compartment

Answer 21

dorsiflex foot

invert foot

extend toes

Question 22

muscles of the anterior compartment of the lower leg

Answer 22

tibialis anterior

extensor hallucis longus

extensor digitorum longus

fibularis tertius

Question 23

actions of the posterior compartment of the lower leg

Answer 23

plantar flex ankle

invert foot

flex toes

Question 24

all of the posterior muscles of the posterior compartment of the lower leg are innervated by the

Answer 24

tibial n (branch of sciatic n)

Question 25

superficial m of the posterior compartment of lower leg

Answer 25

gastrocnemius plantaris soleus

Question 26

deep muscles of the posterior compartment of the lower leg

Answer 26

**popliteus plus tom, dick, harry** popliteus **t**ibialis posterior flexor **d**igitorum longus flexor **h**allicus longus

Question 27

the superficial muscles of the posterior compartment of the lower leg insert into the

Answer 27

calcaneus via achilles tendon

Question 28

origin of the gastrocnemius

Answer 28

distal femur

Question 29

origin of the plantaris

Answer 29

distal femur

Question 30

origin of soleus

Answer 30

proximal tibia

Question 31

the tendon of the popliteus is on the __ side at the knee

Answer 31

lateral

Question 32

the tibial n travels __ to \_\_ the foot and toes

Answer 32

posteriorly flex

Question 33

the tibial n travels \_\_ to __ the foot

Answer 33

medially invert

Question 34

the common fibular/peroneal n travels \_\_ to __ the foot and __ the toes

Answer 34

anteriorly dorsiflex

Question 35

the common fibular/peroneal n travels __ to \_\_ the foot

Answer 35

laterally evert

Question 36

what is the tibial plafond (pilon)

Answer 36

ceiling of ankle joint distal tibial articular surface

Question 37

what are the arteries of the foot

Answer 37

posterior tibial dorsalis pedis

Question 38

the ankle is most stable when it is \_\_

Answer 38

dorsiflexed

Question 39

the ankle as a coronally oriented fibro-osseious ring

Answer 39

Question 40

the deltoid ligament is located \_\_

Answer 40

medially