Pelvis/LE - Posterior Compartment Muscles

Question 1

Gastrocnemius (lateral head) - O

Answer 1

lateral aspect of lateral condyle of femur

Question 2

Gastrocnemius (medial head) - O

Answer 2

popliteal surface of femur, superior to medial condyle

Question 3

Gastrocnemius - I

Answer 3

posterior surface of calcaneus via calcaneal tendon

Question 4

Gastrocnemius - N

Answer 4

tibial nerve

Question 5

Gastrocnemius - A

Answer 5

ankle plantarflexion when knee extended raises heel during walking knee flexion

Question 6

Soleus - O

Answer 6

head of fibula and superior quarter of posterior surface of fibula

Question 7

Soleus - I

Answer 7

posterior surface of calcaneus via calcaneal tendon

Question 8

Soleus - N

Answer 8

tibial nerve

Question 9

Soleus - A

Answer 9

ankle plantarflexion steadies leg on foot

Question 10

Plantaris - O

Answer 10

lateral supracondylar line of femur

Question 11

Plantaris - I

Answer 11

posterior surface of calcaneus via calcaneal tendon

Question 12

Plantaris - N

Answer 12

tibial nerve

Question 13

Plantaris - A

Answer 13

weak assist gastroc in ankle plantarflexion function mainly proprioception

Question 14

Popliteus - O

Answer 14

lateral condyle of femur

Question 15

Popliteus - I

Answer 15

posterior surface of tibia

Question 16

Popliteus - N

Answer 16

tibial nerve

Question 17

Popliteus - A

Answer 17

weak knee flexion unlocks knee by laterally rotating femur on fixed tibia or medially rotation tibia on unplanted limb

Question 18

Flexor hallucis longus - O

Answer 18

inferior 2/3 of posterior surface of fibula and inferior part of interosseous membrane

Question 19

Flexor hallucis longus - I

Answer 19

base of distal phalanx of great toe (hallux)

Question 20

Flexor hallucis longus - N

Answer 20

tibial nerve

Question 21

Flexor hallucis longus - A

Answer 21

great toe flexion weak ankle plantarflexion supports medial longitudinal arch

Question 22

Flexor digitorum longus - O

Answer 22

posterior surface of tibia

Question 23

Flexor digitorum longus - I

Answer 23

bases of distal phalanges of lateral four digits

Question 24

Flexor digitorum longus - N

Answer 24

tibial nerve

Question 25

Flexor digitorum longus - A

Answer 25

lateral four digit flexion ankle plantarflexion supports longitudinal arches

Question 26

Tibialis posterior - O

Answer 26

interosseous membrane and posterior surface of tibia

Question 27

Tibialis posterior - I

Answer 27

navicular and bases of 2nd-4th

Question 28

Tibialis posterior - N

Answer 28

tibial nerve

Question 29

Tibialis posterior - A

Answer 29

ankle plantarflexion foot inversion supports medial longitudinal arch

Question 30

Superficial Muscles of Posterior Compartment

Answer 30

gastrocnemius soleus plantaris

Question 31

Deep Muscles of Posterior Compartment

Answer 31

popliteus flexor hallucis longus flexor digitorum longus tibialis posterior

Question 32

Tom Dick and Harry

Answer 32

Tibialis posterior flexor Digitorum longus flexor Hallucis longus medial side anterior to posterior

Question 33

Answer 33

gastrocnemius

Question 34

Answer 34

soleus

Question 35

Answer 35

plantaris

Question 36

Answer 36

popliteus

Question 37

Answer 37

flexor hallucis longus

Question 38

Answer 38

flexor digitorum longus

Question 39

Answer 39

tibialis posterior