Leg

Question 0

What does the superior extensor retinaculum attach to

Answer 0

Anterior borders of tibia and fibula

Question 1

What divides the posterior compartment of the leg into superficial and deep parts

Answer 1

Transverse inter muscular septum

Question 2

What does the inferior extensor retinaculum attach to

Answer 2

Stem - calcaneus

Limbs - medial malleolus and medial border of foot

Question 3

Where is the flexor retinaculum attached to

Answer 3

Medial malleolus to medial surface of calcaneus

Question 4

What is the superior fibular retinaculum attached to

Answer 4

Lateral malleolus to lateral surface of calcaneus

Question 5

What is the inferior fibular retinaculum attached to

Answer 5

Fibular tubercle of calcaneus and lateral surface of calcaneus

Question 6

What arteries are the terminal branch of the popliteal artery

Answer 6

Posterior tibial artery and anterior tibial artery

Question 7

When you feel your pulse posterior to medial malleolus, what artery is that

Answer 7

Posterior tibial artery

Question 8

What are the terminal branches of the posterior tibial artery

Answer 8

Medial and lateral plantar arteries

Question 9

What branch of the posterior tibial artery gives off originates from the proximal part, descends within the flexor hallucis longus, and gives off branches to ankle and heel

Answer 9

Fibular artery

Question 10

What branch of the posterior tibial artery gives off arterial anastomoses around the knee and passes laterally around the neck of fibula

Answer 10

Circumflex fibular artery

Question 11

What branch of the posterior tibial artery supplies the medial aspect of the heel

Answer 11

Medial calcaneal branches

Question 12

What branch of the posterior tibial artery supplies anastomoses around the ankle joint

Answer 12

Posterior medial malleolar branch

Question 13

What nerve and vein does the anterior tibial artery travel with

Answer 13

Deep fibular nerve

Anterior tibial veins

Question 14

At the ankle, what does the anterior tibial artery name change into

Answer 14

Dorsalis pedis artery

Question 15

How does a fracture at the tuberosity of the 5th metatarsal happen

Answer 15

Foot is suddenly inverted, fibularis brevis rips it off

Question 17

Where does the blood supply for the lateral side of the leg come from

Answer 17

Fibular artery (from posterior leg )
And anterior tibial artery (from anterior leg)

Question 18

origin of gastrocnemius

Answer 18

LATERAL HEAD: lateral surface of lateral condyle of femur and distal end of lateral supracondylar line of femur
MEDIAL HEAD: popliteal surface of femur

Question 19

insertion of gastrocnemius

Answer 19

common tendon (achille’s tendon)

Question 20

action of gastrocnemius

Answer 20

plantar flexion of foot at ankle flexion of leg at knee joint

Question 21

innervation of gastrocnemius

Answer 21

tibial nerve

Question 22

origin of soleus

Answer 22

soleal line, medial border of tibia, head of fibula, tendinous arch b/w tibial and fibula

Question 23

insertion of soleus

Answer 23

calcaneal tendon

Question 24

action of soleus

Answer 24

plantar flexion of foot at ankle

Question 25

innervation of soleus

Answer 25

tibial nerve

Question 26

origin of the plantarius

Answer 26

lateral supracondylar line of femur

Question 27

insertion of the plantarius

Answer 27

b/w gastrocnemius and soleus, along medial border of achille's tendon, inserts into calcaneus

Question 28

action of the plantarius

Answer 28

plantar flexion of foot at ankle joint assists in flexion of leg at knee joint

Question 29

innervation of the plantarius

Answer 29

tibial nerve

Question 30

origin of the popliteus

Answer 30

in knee joint, lateral condyle of femur

Question 31

insertion of the popliteus

Answer 31

comes out knee joint and inserts into posterior tibia

Question 32

action of the popliteus

Answer 32

medial rotation of tibia (IF FOOT IS OFF GROUND) and lateral rotation of femur (IF FOOT IS ON GROUND)

Question 33

innervation of the popliteus

Answer 33

tibial nerve

Question 34

origin of the flexor digitorum longus

Answer 34

posterior surface of shaft of tibia

Question 35

insertion of the flexor digitorum longus

Answer 35

tendon is posterior to medial malleolus, enters sole of foot and divides into 4 then inserts into lateral 4 toes

Question 36

action of the flexor digitorum longus

Answer 36

flexion of lateral 4 toes | plantar flexion of foot at ankle joint

Question 37

innervation of the flexor digitorum longus

Answer 37

tibial nerve

Question 38

origin of the flexor hallucis longus

Answer 38

lower 2/3 of shaft of fibula

Question 39

insertion of the flexor hallucis longus

Answer 39

tendon is posterior to medial malleolus, runs anteriorly into sole of foot to insert into base of distal phalanx of big toe

Question 40

action of the flexor hallucis longus

Answer 40

flexion of big toe | plantar flexion of foot at ankle

Question 41

innervation of the flexor hallucis longus

Answer 41

tibial nerve

Question 42

origin of tibialis posterior

Answer 42

posterior shaft of tibia, upper half of posterior fibula, interosseous membrane

Question 43

insertion of tibialis posterior

Answer 43

tendon goes posterior to medial malleolus, inserts into navicular

Question 44

action of tibialis posterior

Answer 44

plantar flexion of foot at ankle inversion of foot

Question 45

innervation of tibialis posterior

Answer 45

tibial nerve

Question 46

origin of tibialis anterior

Answer 46

lateral condyle of tibia, shaft of tibia, interosseous membrane

Question 47

insertion of tibialis anterior

Answer 47

tendon passes under extensor retinacula and inserts into medial cuneiform + base of 1st metatarsal

Question 48

innervation of tibialis anterior

Answer 48

deep fibular nerve

Question 49

action of tibialis anterior

Answer 49

dorsiflexion of foot at ankle joint + inversion of foot

Question 50

origin of extensor digitorum longus

Answer 50

lateral condyle of tibia, shaft of fibula, interosseus membrane

Question 51

insertion of extensor digitorum longus

Answer 51

tendon passes under extensor retinacula and divides into 4; each of those divides into 3 and insert onto phalanx

Question 52

action of extensor digitorum longus

Answer 52

extension of lateral toes; dorsiflexion of foot

Question 53

innervation of extensor digitorum longus

Answer 53

deep fibular nerve

Question 54

origin of extensor hallucis longus

Answer 54

anterior shaft of fibula and interossesus membrane

Question 55

insertion of extensor hallucis longus

Answer 55

tendon passes uncer extensor retinaculum and inserts into big toe

Question 56

action of extensor hallucis longus

Answer 56

extension of big toe | dorsiflexion of foot at ankle

Question 57

innervation of extensor hallucis longus

Answer 57

deep fibular nerve

Question 58

origin of fibularis tertius

Answer 58

lower 1/4 of anterior of fibula + interosseus membrane

Question 59

insertion of fibularis tertius

Answer 59

dorsal shaft and base of 5th metacarpal

Question 60

action of fibularis tertius

Answer 60

dorsiflexion of foot at ankle | eversion of foot

Question 61

innervation of fibularis tertius

Answer 61

deep fibular nerve

Question 62

origin of fibularis longus

Answer 62

lateral surface of head of fibula and lateral surface of shaft of fibula

Question 63

insertion of fibularis longus

Answer 63

tendon passes posterior to lateral malleolus, runs inferiorly on lateral surface of calcaneus, curves around cuboid, crosses sole of foot, and inserts into medial cuneiform

Question 64

action of fibularis longus

Answer 64

plantar flexion of foot at ankle | eversion of foot

Question 65

innervation of fibularis longus

Answer 65

superficial fibular nerve

Question 66

origin of fibularis brevis

Answer 66

lateral surface of shaft of fibula

Question 67

insertion of fibularis brevis

Answer 67

tendon passes posterior to lateral malleolus, runs inferiorly on lateral surface of calcaneus, inserts into tubersosity of 5th metatasal

Question 68

action of fibularis brevis

Answer 68

plantar flexion of foot at ankle eversion of foot

Question 69

innervation of fibularis brevis

Answer 69

superficial fibular nerve