Lower leg anatomy

Question 1

Gastrocnemius origin

Answer 1

Lateral head: Lateral condyle of femur

Medial head: Medial condyle of femur

Question 2

Gastrocnemius insertion

Answer 2

Posterior surface of the calcaneus via the calcaneal tendon

Question 3

Gastroc function

Answer 3

Plantarflexion and knee flexion

Question 4

Soleus origin

Answer 4

Soleal line, medial border of tibia, head of fibula, posterior border of fibula

Question 5

Solues insertion

Answer 5

Posterior surface of calcaneus (via calcaneal tendon)`

Question 6

Soleus function

Answer 6

Plantarflexion

Question 7

Tibialis Anterior origin

Answer 7

Upper ½ and lateral surface of tibia

Question 8

Tibialis Anterior Insertion

Answer 8

Base of 1st metatarsal and medial cuneiform

Question 9

TA function

Answer 9

Dorsiflexion and inversion

Question 10

Tibialis posterior origin

Answer 10

Posterior tibia and fibula

Question 11

Tibialis posterior insertion

Answer 11

Tuberosity of navicular bone, all cuneiform bones, cuboid bone, bases of metatarsal bones 2-4

Question 12

Tibialis posterior function

Answer 12

Inversion, plantarflexion

Question 13

Peroneus Longus origin

Answer 13

Head of fibula, proximal 2/3 of lateral surface of fibula, intermuscular septa

Question 14

Peroneus Longus Insertion

Answer 14

1st metatarsal, medial cuneiform

Question 15

Peroneus function

Answer 15

Plantarflexion and eversion

Question 16

Peroneus Brevis origin

Answer 16

Lower 2/3 of lateral fibula

Question 17

Peroneus Brevis insertion

Answer 17

Base of 5th metatarsal

Question 18

Peroneus brevis function

Answer 18

Everts and plantarflexes foot

Question 19

Flexor Digitorum Longus origin

Answer 19

Posterior surface of tibia

Question 20

Flexor Digitorum Longus origin

Answer 20

Posterior surface of tibia

Question 21

Flexor Digitorum Longus insertion

Answer 21

Base of phalanges 1-4

Question 22

Extensor Digitorum Longus origin

Answer 22

Anterior surface of tibia & fibula

Question 23

Extensor Digitorum Longus insertion

Answer 23

Distal and middle phalanges of digits 2-5

Question 24

Extensor digitorum longus function

Answer 24

Extends toes and dorsiflexion

Question 25

Flexor Digitorum Longus function

Answer 25

Flex toes and plantarflex