Unit 4- The Foot, Part 2 Flashcards

1
Q

The saphenous nerve is a branch of the _____ nerve

It runs through the ____ ___

A

Femoral nerve

Adductor canal

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2
Q

Saphenous nerve supplies what cutaneous?

A

Skin and fascia of anteromedial leg

Dorsum of the foot anterior to the medial malleolus

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3
Q

Articular branches of the saphenous nerve

A

Go to ankle joint

Medial foot to head of 1st metatarsal

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4
Q

Superficial fibular nerve runs:

It divides into:

Then becomes:

A

Superficial to lateral compartment of the leg

Medial and intermediate dorsal cutaneous nerves

Dorsal digital nerves

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5
Q

Superficial fibular nerve supplies

A

Cutaneous for
Anterolateral leg

Dorsum of the foot

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

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6
Q

Deep fibular nerve supplies (cutaneous)

A

Lateral 1st and medial 2nd toe

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7
Q

Deep fibular nerve supplies (motor)

A

Intrinsic muscles of the dorsum of the foot and torsometatarsal joints

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8
Q

What 2 nerves join to form the sural nerve?

A

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

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9
Q

What does the sural nerve terminate as/

A

Lateral cutaneous nerve of the foot

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10
Q

Sural nerve supplies:

A

cutaneous:
Lateral and posterior inferior 1/3 of leg

Lateral part of foot

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11
Q

The medial plantar nerve is a terminal branch of the:

A

Tibial nerve

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12
Q

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

A

Deep

Abductor hallicus

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13
Q

The medial plantar nerve runs anteriorly between:

A

Abductor hallicus and flexor digitorum brevis

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14
Q

Cutaneous supply of the medial plantar nerve

A

Medial sole of foot

Plantar surface of medial 3 1/2 digits

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15
Q

Motor supply of the medial plantar nerve

A

1st Lumbrical

Flexor hallucis brevis

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16
Q

More posterior branch of the tibial nerve

A

Lateral plantar nerve

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17
Q

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

It runs anteriorly between the:

A

Deep

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

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18
Q

The lateral plantar nerve divides into:

A

Superficial and deep branches

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19
Q

The deep branch of the lateral plantar nerve runs:

A

Between 3rd and 4th plantar muscle layers

20
Q

Cutaneous supply of the lateral plantar nerve

A

Lateral sole of foot

Plantar surface of lateral 1/2 digits

21
Q

Motor supply from lateral plantar nerve

A

Intrinsic foot muscles not done by the medial plantar nerve

22
Q

What supplies the calcaneal branches? (7 branches)

A

Both sural (6) and tibial nerves

23
Q

Major source of blood supply to the forefoot

A

Dorsal arteries of the foot

24
Q

Direct continuation of the anterior tibial artery

A

Dorsalis pedis

25
Q

Pathway of the dorsalis pedis

Begins midway between the:

Runs:

A

Malleoli

Runs anterior-medially deep to the inferior extensor retinaculum

26
Q

Dorsal pedis runs between ____ and ___ tendons to the:

It then splits into the:

A

EHL and EDL

1st interosseous space

1st dorsal metatarsal and deep plantar artery

27
Q

The deep plantar artery passes between the:

It joins the _____ ____ artery to form the:

A

Heads of the 1st interosseous

Lateral plantar artery to form the deep plantar arch

28
Q

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

A

1st dorsal metatarsal artery

29
Q

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

A

Dorsal

EDB

Other branches

30
Q

The arcuate artery crosses the bases of:
To reach:

It gives rise to:

And is connected to:

A

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

31
Q

Each dorsal metatarsal artery divides into

A

2 dorsal digital branches

32
Q

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

A

Deep

Terminal branches

Deep

Medial and lateral plantar arteries

33
Q

The smaller of the 2 branches of the posterior tibial artery

A

Medial plantar artery

34
Q

The medial plantar artery supplies (muscles)

A

Muscles to the great to (deep branches)

35
Q

Medial plantar artery supplies (cutaneous)

A

Skin on the medial sole and digital branches (superficial)

36
Q

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

A

FDB and quadratus plantae

37
Q

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

A

Deep branch of the lateral plantar nerve

38
Q

What forms the deep plantar arch?

A

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

39
Q

Deep plantar arch gives rise to:

A

4 plantar metatarsal arteries, 3 perforating branches

40
Q

Plantar metatarsal arteries provide:

A

Plantar digital arteries

These provide most of the blood to the distal toes

41
Q

Venous drainage from the foot is primarily via the:

A

Superficial venous system

42
Q

Deep veins accompany:

A

Arteries and are named for them

43
Q

What drains to the medial part of the foot?

A

Superficial plantar venous network

44
Q

Superficial plantar venous network forms:

A

The medial marginal vein which becomes the great saphenous vein

45
Q

Lateral dorsal venous arch forms:

A

Lateral marginal vein which forms the small saphenous vein

46
Q

Superficial and deep lymphs converge and travel with:

A

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