Unit 4- The Foot, Part 2

Question 1

The saphenous nerve is a branch of the _____ nerve

It runs through the ____ ___

Answer 1

Femoral nerve

Adductor canal

Question 2

Saphenous nerve supplies what cutaneous?

Answer 2

Skin and fascia of anteromedial leg

Dorsum of the foot anterior to the medial malleolus

Question 3

Articular branches of the saphenous nerve

Answer 3

Go to ankle joint

Medial foot to head of 1st metatarsal

Question 4

Superficial fibular nerve runs:

It divides into:

Then becomes:

Answer 4

Superficial to lateral compartment of the leg

Medial and intermediate dorsal cutaneous nerves

Dorsal digital nerves

Question 5

Superficial fibular nerve supplies

Answer 5

Cutaneous for
Anterolateral leg

Dorsum of the foot

Dorsal digits (except for lateral 1st toe and medial 2nd toe)

Question 6

Deep fibular nerve supplies (cutaneous)

Answer 6

Lateral 1st and medial 2nd toe

Question 7

Deep fibular nerve supplies (motor)

Answer 7

Intrinsic muscles of the dorsum of the foot and torsometatarsal joints

Question 8

What 2 nerves join to form the sural nerve?

Answer 8

Medial sural cutaneous and sural communicating branch (from common fibular nerve)

Question 9

What does the sural nerve terminate as/

Answer 9

Lateral cutaneous nerve of the foot

Question 10

Sural nerve supplies:

Answer 10

cutaneous:
Lateral and posterior inferior 1/3 of leg

Lateral part of foot

Question 11

The medial plantar nerve is a terminal branch of the:

Answer 11

Tibial nerve

Question 12

The medial plantar nerve arises (SUPERFICIAL/DEEP) to the flexor retinaculum and enters the sole deep to the:

Answer 12

Deep

Abductor hallicus

Question 13

The medial plantar nerve runs anteriorly between:

Answer 13

Abductor hallicus and flexor digitorum brevis

Question 14

Cutaneous supply of the medial plantar nerve

Answer 14

Medial sole of foot

Plantar surface of medial 3 1/2 digits

Question 15

Motor supply of the medial plantar nerve

Answer 15

1st Lumbrical

Flexor hallucis brevis

Question 16

More posterior branch of the tibial nerve

Answer 16

Lateral plantar nerve

Question 17

The lateral plantar nerve runs (SUPERFICIAL/DEEP) to the abductor hallucis

It runs anteriorly between the:

Answer 17

Deep

1st and 2nd layers of plantar muscles medial to the plantar artery

Question 18

The lateral plantar nerve divides into:

Answer 18

Superficial and deep branches

Question 19

The deep branch of the lateral plantar nerve runs:

Answer 19

Between 3rd and 4th plantar muscle layers

Question 20

Cutaneous supply of the lateral plantar nerve

Answer 20

Lateral sole of foot

Plantar surface of lateral 1/2 digits

Question 21

Motor supply from lateral plantar nerve

Answer 21

Intrinsic foot muscles not done by the medial plantar nerve

Question 22

What supplies the calcaneal branches? (7 branches)

Answer 22

Both sural (6) and tibial nerves

Question 23

Major source of blood supply to the forefoot

Answer 23

Dorsal arteries of the foot

Question 24

Direct continuation of the anterior tibial artery

Answer 24

Dorsalis pedis

Question 25

Pathway of the dorsalis pedis Begins midway between the: Runs:

Answer 25

Malleoli Runs anterior-medially deep to the inferior extensor retinaculum

Question 26

Dorsal pedis runs between ____ and ___ tendons to the: It then splits into the:

Answer 26

EHL and EDL 1st interosseous space 1st dorsal metatarsal and deep plantar artery

Question 27

The deep plantar artery passes between the: It joins the _____ ____ artery to form the:

Answer 27

Heads of the 1st interosseous Lateral plantar artery to form the deep plantar arch

Question 28

What splits top supply both sides of the great toe and medial 2nd toe?

Answer 28

1st dorsal metatarsal artery

Question 29

The lateral tarsal artery is a branch of the _____ artery of the foot. It runs laterally beneath the ___, and anastomoses with ____

Answer 29

Dorsal EDB Other branches

Question 30

The arcuate artery crosses the bases of: To reach: It gives rise to: And is connected to:

Answer 30

Lateral 4 metatarsals deep to extensor tendons Lateral aspect of the forefoot 2nd, 3rd and 4th dorsal metatarsal artery The plantar metatarsal arteries via perforator should

Question 31

Each dorsal metatarsal artery divides into

Answer 31

2 dorsal digital branches

Question 32

The posterior tibial artery divides _____ to the flexor retinaculum, forming ____ ____ which pass _____ to the abductor hallicus to form:

Answer 32

Deep Terminal branches Deep Medial and lateral plantar arteries

Question 33

The smaller of the 2 branches of the posterior tibial artery

Answer 33

Medial plantar artery

Question 34

The medial plantar artery supplies (muscles)

Answer 34

Muscles to the great to (deep branches)

Question 35

Medial plantar artery supplies (cutaneous)

Answer 35

Skin on the medial sole and digital branches (superficial)

Question 36

Lateral plantar artery runs laterally and anteriorly between the _____ and ____ ___

Answer 36

FDB and quadratus plantae

Question 37

Lateral plantar artery forms arches medially across the foot with what?

Answer 37

Deep branch of the lateral plantar nerve

Question 38

What forms the deep plantar arch?

Answer 38

The lateral plantar artery with the deep planter artery (from dorsal artery of the foot)

Question 39

Deep plantar arch gives rise to:

Answer 39

4 plantar metatarsal arteries, 3 perforating branches

Question 40

Plantar metatarsal arteries provide:

Answer 40

Plantar digital arteries | These provide most of the blood to the distal toes

Question 41

Venous drainage from the foot is primarily via the:

Answer 41

Superficial venous system

Question 42

Deep veins accompany:

Answer 42

Arteries and are named for them

Question 43

What drains to the medial part of the foot?

Answer 43

Superficial plantar venous network

Question 44

Superficial plantar venous network forms:

Answer 44

The medial marginal vein which becomes the great saphenous vein

Question 45

Lateral dorsal venous arch forms:

Answer 45

Lateral marginal vein which forms the small saphenous vein

Question 46

Superficial and deep lymphs converge and travel with:

Answer 46

The great saphenous vein to the superficial inguinal nodes and from there drains centrally to the deep inguinal nodes