Lower Leg

Question 1

origin of tibialis anterior

Answer 1

lateral condyle of tibia
lateral surface of tibia
interosseous membrane

Question 2

insertion of tibialis anterior

Answer 2

medial cuneiform

base of the 1st metatarsal

Question 3

action of tibialis anterior

Answer 3

invert the foot

dorsiflex the ankle

Question 4

innervation of tibialis anterior

Answer 4

deep peroneal nerve L4 - S1

Question 5

origin of extensor hallucis longus

Answer 5

middle, anterior surface of fibula and interosseous membrane

Question 6

insertion of extensor hallucis longus

Answer 6

distal phalanx of 1st toe

Question 7

action of extensor hallucis longus

Answer 7

extend the first toe
dorsiflex the ankle
invert the foot

Question 8

innervation of extensor hallucis longus

Answer 8

deep peroneal nerve L4 - S1

Question 9

origin of extensor digitorum longus

Answer 9

lateral condyle of tibia
proximal anterior shaft of fibula
interosseous membrane

Question 10

insertion of extensor digitorum longus

Answer 10

middle and distal phalanges of toes 2 - 5

Question 11

action of extensor digitorum longus

Answer 11

extend toe 2 - 5
dorsiflex the ankle
evert the foot

Question 12

innervation of extensor digitorum longus

Answer 12

peroneal nerve L4 - S1

Question 13

origin of peroneus longus

Answer 13

head of fibula

proximal lateral fibula

Question 14

insertion of peroneus longus

Answer 14

base of the 1st metatarsal

medial cuneiform

Question 15

action of peroneus longus

Answer 15

evert the foot

assist to plantarflex the ankle

Question 16

innervation of peroneus longus

Answer 16

superficial peronlea nerve L4 - S1

Question 17

origin of peroneus brevis

Answer 17

distal lateral fibula

Question 18

insertion of peroneus brevis

Answer 18

tuberosity of 5th metatarsal

Question 19

action of peroneus brevis

Answer 19

evert the foot

assist to plantarflex the ankle

Question 20

innervation of peroneus brevis

Answer 20

superficial peroneal nerve L4 - S1

Question 21

origin of gastrocnemius

Answer 21

condyles of the femur on the posterior surface

Question 22

insertion of gastrocnemius

Answer 22

calcaneus via calcaneal tendon

Question 23

action of gastrocnemius

Answer 23

flex the knee

pltnarflex the ankle

Question 24

innervation of gastrocnemius

Answer 24

tibial nerve S1 -2

Question 25

origin of soleus

Answer 25

soleal line | proximal, posterior surface of tibia and posterior aspect of head of fibula

Question 26

insertion of soleus

Answer 26

calcaneus via calcaneal tendon

Question 27

action of soleus

Answer 27

plantarflex the ankle

Question 28

innervation of soleus

Answer 28

tibial nerve L5 - S2

Question 29

origin of plantaris

Answer 29

lateral supracondylar line of femur

Question 30

insertion of plantaris

Answer 30

calcaneus via calcaneal tendon

Question 31

action of plantaris

Answer 31

weak plantarflexion of the ankle | weak flexion of the knee

Question 32

innervation of plantaris

Answer 32

tibial nerve L4 - S2

Question 33

origin of popliteus

Answer 33

lateral condyle of the femur

Question 34

insertion of popliteus

Answer 34

proximal, posterior aspect of tibia

Question 35

action of popliteus

Answer 35

medially rotate flexed knee | flex the knee

Question 36

innervation of popliteus

Answer 36

tibial nerve L4 - S1

Question 37

origin of flexor hallucis longus

Answer 37

middle half of posterior fibula

Question 38

insertion of flexor hallucis longus

Answer 38

distal phalanx of 1st toe

Question 39

action of flexor hallucis longus

Answer 39

flex the first toe weak plantarflexion of the ankle invert the foot

Question 40

innervation of flexor hallucis longus

Answer 40

tibial nerve L5 - S2

Question 41

origin of flexor digitorum longus

Answer 41

middle, posterior surface of tibia

Question 42

insertion of flexor digitorum longus

Answer 42

distal phalanges of toe 2 - 5

Question 43

action of flexor digitorum longus

Answer 43

flex toe 2 - 5 weak plantarflexion of ankle invert the foot

Question 44

innervation of flexor digitorum longus

Answer 44

tibial nerve L5 - S2

Question 45

origin of tibialis posterior

Answer 45

proximal posterior shafts of tibia and fibula | interosseous membrane

Question 46

insertion of tibialis posterior

Answer 46

all 5 tarsal bones | bases of metatarsal 2 - 4

Question 47

action of tibialis posterior

Answer 47

invert the foot | plantarflex the ankle

Question 48

innervation of tibialis posterior

Answer 48

tibial nerve L4 - S1