Leg and Foot

Question 1

What muscles are the popliteal Fossa bordered by?

Answer 1

1). Hamstrings and sartorius superiorly
2). Two heads of gastrocnemius inferiorly

Question 2

A blockage in the popliteal artery would completely prevent blood flow to the leg and foot: T or F

Answer 2

False
Alt pathway: genicular arteries (wrap around the knee)

Question 3

What does the Interosseous membrane connect?

Answer 3

Tibia and fibula

Question 4

What bones are included in the Ankle joint along with the action?

Answer 4

Bone: Talus, tibia and fibula
Action: dorsiflexion and plantar flexion

Question 5

What bones are included in the Ankle joint along with the action?

Answer 5

Bone: Talus, tibia and fibula
Action: dorsiflexion and plantar flexion

Question 6

What is the action of intertarsal joints?

Answer 6

Inversion and eversion of the foot

Question 7

What is the action of anterior compartment? (leg)

Answer 7

1). Dorsiflex ankle
2). Extends toes

Question 8

What is the action of Lateral compartment (leg)?

Answer 8

Eversion of the ankle

Question 9

What is the action of posterior compartment? (leg)

Answer 9

1). Plantarflex ankle
2). Flex the toes
3). Flex the knee

Question 10

Where does Extensor digitorum longus travel from?

Answer 10

From leg to phalanges 2-5

Question 11

What is the action of Extensor digitorum longus?

Answer 11

Dorsiflex ankle and extend toes

Question 12

Where does Tibialis anterior travel from?

Answer 12

leg to tarsals

Question 13

What is the action of Tibialis Ant?

Answer 13

Dorsiflex ankle

Question 14

Where does Extensor hallucis longus travel from?

Answer 14

from leg to phalanx 1

Question 15

What is the action of Extensor hallucis longus?

Answer 15

dorsiflex ankle and extend the big toe

Question 16

Where does fibularis longus and brevis travel from?

Answer 16

fibula to metatarsals

Question 17

What is the action of Fibularis longus and brevis?

Answer 17

Evert the foot

Question 18

Where does gastrocnemius and Plantaris travel from?

Answer 18

femur to calcaneus via calcaneal tendon

Question 19

What is the action of gastrocnemius and plantaris ?

Answer 19

Flex knee, plantar flex ankle

Question 20

Where does soleus travel from?

Answer 20

tibia to calcaneus via calcaneal tendon

Question 21

What is the action of Soleus?

Answer 21

Plantarflex ankle

Question 22

Where does Flexor digitorum longus and Flexor Hallucis longus travel from?

Answer 22

from leg to plantar surface of phalanx 1

Question 23

What is the action of flexor digitorum hallucis?

Answer 23

plantarflex ankle, flex big toe

Question 24

Where does tibialis posterior travel from?

Answer 24

leg to tarsals

Question 25

What is the action of tibialis post?

Answer 25

Plantarflex ankle

Question 26

What nerves does sciatic split into?

Answer 26

1). Tibial nerve (post. leg, intrinsic foot muscles) 2). Common Fibula nerve *splits into two nerves*

Question 27

What two nerves does Fibular nerve split into?

Answer 27

1). Deep fibular nerve (ant.) 2). Superficial fibular (lat. compartment)

Question 28

1). Damage to deep fibular nerve would affect a patients ability to? 2). How does this affect their gait?

Answer 28

1). Extend toes and dorsiflex the ankle 2). Foot-drop

Question 29

What are the intrinsic foot muscles?

Answer 29

1). Flexor digitorum brevis 2). Quadratus plantae *There's more but these are the important ones for this course*

Question 30

Where does Flexor digitorum travel from and what is its action?

Answer 30

1). Calcaneus to toes 2). Flexes toes

Question 31

Where does the Quadratus plantar travel from and what is its action?

Answer 31

1). calcaneus to tendon of flex. dig. longus 2). straightens out actions of FDL (flexor digit longus)

Question 32

What nerves does tibial nerve split into? (Foot Vasculature)

Answer 32

1). Medial plantar nerve 2). Lateral plantar nerve

Question 33

What arteries does post. tibial artery split into?

Answer 33

1). Medial plantar artery 2). Lat. plantar artery

Question 34

Muscle tendons from post. compartment, tibial nerve and post. tibial artery pass med or lat to ankle under what?

Answer 34

1). Medial 2). Flexor retinaculum

Question 35

A patient damages their tibial nerve. What is the likely effect on their gait?

Answer 35

They will have difficulty plantar flexing their ankle during the toe-off phase

Question 36

A blockage in the ant. tibial artery will largely prevent blood from flowing to the plantar surface of the foot (I.e. sole of the foot) T or F

Answer 36

False