Week 10

Question 1

Anterior compartment of the leg

Answer 1

Extensors and dorsiflexors of the foot

Question 2

Lateral compartment of the leg

Answer 2

Everyone of the foot

Question 3

Posterior compartment of the leg (deep and superficial)

Answer 3

Flexors/plantar flexors of the foot

Question 4

What separates the compartments of the leg

Answer 4

Crural interosseous membrane and r the intermuscular septa

Question 5

What does the anterior intermuscular septum of the leg separate

Answer 5

Anterior compartment and lateral compartment

Question 6

What does the posterior intermuscular septum separate

Answer 6

Posterior compartment and lateral compartment

Question 7

What does the transverse intermuscular septum separate

Answer 7

Anterior and posterior compartment

Question 8

What muscles make up the anterior compartment

Answer 8

Tibialis anterior, extensor digitorum longus, extensor hallucis longus, fibularis tertius

Question 9

What muscles make up the lateral compartment of the leg

Answer 9

Fibularis longus, fibularis Brevis

Question 10

What muscles make up the superficial posterior compartment of the leg

Answer 10

Gastrocnemius, soleus, plantaris

Question 11

What muscles make up the deep posterior compartment of the the lower leg

Answer 11

Tibialis posterior
Flexor hallucis longus
Flexor digitorum longus
Popliteus

Question 12

Dorsal muscles of the foot

Answer 12

Extensor hallucis brevis
Extensor digitorum brevis

Question 13

Plantar muscles of the foot first layer

Answer 13

Abductor hallucis
Adbuctor digiti minimi
Flexor digitorum brevis

Question 14

Plantar muscles second layer

Answer 14

Quadratus plantae/ flexor digitorum accessorius
Lumbricals 1-4

Question 15

Plantar muscles third layer

Answer 15

Flexor hallucis brevis
Flexor digiti minimi brevis
Adductor hallucis (oblique and transverse heads)

Question 16

Plantar muscles forth layer

Answer 16

Dorsal interossei, x4
Plantar interossei x3

Question 17

Drop foot

Answer 17

Condition causing individuals to drag their feet while walking. Causing the aptient to bend their knee to lift the foot higher than in a normal stride

Nerve damage (fibular nerves or disc protrusion)
muscular damage (anterior leg muscles)

Question 18

Plantar fasciitis (heel spur syndrome)

Answer 18

Pain along the insertion of the plantar fascia on exertion caused by degeneration of the plantar fascia.

Question 19

Fibularis tertius

Answer 19

Anterior compartment
Only muscle to insert onto the sharifs of the 5th metatarsal

Question 20

Fibularis peroneus Longus

Answer 20

Lateral compartment
Passes through the peroneal groove to inset onto the plantar medial cuneiform/ 1st metatarsal

Question 21

Fibularis Brevis

Answer 21

Only muscle to insert into the styloid process of the 5th metatarsal

Question 22

Tibialis anterior

Answer 22

Anterior compartment
Dorsiflexes the foot
Inverts the foot

Deep fibular peroneal nerve
Anterior tibial artery

Question 23

Origin of tibialis anterior

Answer 23

Lateral tibial condyle
Superior two-third of lateral surface of the tibia

Question 24

Tibialis anterior insertion

Answer 24

Medial and plantar surfaces of the base of the 1st metatarsal

Question 25

Extensor digitorum longus

Answer 25

Anterior compartment Extends toes 2-5 Dorsiflex the ankle joint Helps evert the foot Deep fibular artery Anterior tibial artery

Question 26

Origin of extensor digitorum longus

Answer 26

Superior two-thirds of the medial surface of the fibula

Question 27

Insertion of the extensor digitorum longus

Answer 27

Four slips to toes 2-5 each forming an extensor expansion

Question 28

Extensor expansions of the foot

Answer 28

Membranous extension of the extensor digitorum longus tendon over the dorsal surface and side of each metatarsophalangeal joint

Question 29

Extensor expansion of the foot central slip

Answer 29

Inserts into the base of the dorsum of the middle phalanx

Question 30

Extensor expansion of the foot two collateral slips

Answer 30

Inserts into the base of the dorsum of the distal phalanx

Question 31

Fibularis tertius

Answer 31

Anterior compartment Dorsiflexes the ankle joint Everts the foot Deep fibular peroneal nerve Anterior tibial artery

Question 32

Fibularis tertius origin

Answer 32

Medial surface of the fibula

Question 33

Fibularis tertius insertion

Answer 33

5th metatarsal bone

Question 34

Extensor hallucis longus

Answer 34

Extends the hallux dorsiflexes the ankle joint Deep fibular / peroneal nerve Anterior tibial artery

Question 35

Extensor hallucis longus origin

Answer 35

Anteromedial surface of the fibula

Question 36

Extensor hallucis longus

Answer 36

Dorsal surface of the phalanx of the hallux