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OCT 720 > Chapter 7B (Popliteal Fossa) > Flashcards

Chapter 7B (Popliteal Fossa) Flashcards

1
Q

(Popliteal Fossa)

______-shaped, fat-filled ______ of the lower limb.

A

Diamond-shaped; depression

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2
Q

(Popliteal Fossa)

Located on the ____ aspect of the knee joint.

A

posterior

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3
Q

(Popliteal Fossa)

The main path by which _____ and _____ pass between the thigh and leg.

A

vessels and nerves

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4
Q

(Popliteal Fossa: Boundaries)

Superolateral

A

Biceps femoris

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5
Q

(Popliteal Fossa: Boundaries)

Superomedial

A

Semimembranosus and semitendinosus

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6
Q

(Popliteal Fossa: Boundaries)

Inferolateral

A

Lateral head of gastrocnemius

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7
Q

(Popliteal Fossa: Boundaries)

Inferomedial

A

Medial head of gastrocnemius

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8
Q

(Popliteal Fossa: Boundaries)

Roof

A

Skin and popliteal fascia

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9
Q

(Popliteal Fossa: Boundaries)

Floor

A

Popliteal surface of femur, posterior joint capsule, and popliteus muscle

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10
Q

Popliteal Foss Contents

A
  • Termination of the small saphenous vein
  • Popliteal arteries and veins and their branches and tributaries
  • Tibial and common fibular branches of the sciatic nerve
  • Posterior cutaneous nerve of thigh
  • Popliteal lymph nodes and lymphatic vessels
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11
Q

(Neurovascualr structures progressing from superficial to deep within the fossa)
The ____ are encountered first, followed by the _____.

A

nerves; veins

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12
Q

(Neurovascualr structures progressing from superficial to deep within the fossa)
The _____ lie the deepest, directly on the popliteal surface of the femur, joint capsule, and fascia of the ____ muscle.

A

arteries; popliteus

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13
Q

(Nerves in Popliteal Fossa)
The ____ nerve will end at the superior angle of the popliteal fossa by dividing into the _____ _____ and ____ ____ _____

A

Sciatic; tibial nerve; common fibular (peroneal) nerve

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14
Q

(Nerves in Popliteal Fossa)

Tibial nerve

A

Medial and larger terminal branch

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15
Q

(Nerves in Popliteal Fossa)

The tibial nerve is the ____ ____ of the 3 main central components of the popliteal fossa (nerve, vein, and artery)

A

most superficial

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16
Q

(Nerves in Popliteal Fossa)

The tibial nerve will _____ the fossa as it passes from the ____ to the _____ angle.

A

bisect; superior; inferior

17
Q 
(Nerves in Popliteal Fossa)
Common fibular (peroneal) nerve:
A

Lateral and smaller terminal branch

18
Q

(Nerves in Popliteal Fossa)
The common fibular nerve will begin at the ____ angle and follow the ____ border of biceps femoris and pass ____ to the lateral head of the gastrocnemius.

A

superior; medial; superficially

19
Q

(Nerves in Popliteal Fossa)

The common fibular nerve will wind around the ____ ___ ___ ___ and divide into its terminal branches.

A

neck of the fibula

20
Q

(Nerves in Popliteal Fossa)

The inferior branches of the __________ will supply the skin overlying the popliteal fossa.

A

posterior cutaneous nerve of the thigh

21
Q

(Popliteal Artery)

The ____ and most _____ structure of the popliteal fossa.

A

deepest and most anterior structure

22
Q

(Popliteal Artery)

Continuation of the _____ ____, beginning after passing through the adductor hiatus.

A

Femoral artery

23
Q

(Popliteal Artery)

Ends at the inferior border of the popliteus by dividing into the …

A

anterior and posterior tibial arteries

24
Q

(Popliteal Artery)

Muscular branches help supply the…

A

hamstrings, gastrocnemius, soleus, and plantaris muscles.

25
Q

(Popliteal Artery)

Superior muscular branches have important anastomoses with the terminal part of the ____ ____ and ____ ____.

A

profunda femoris and gluteal arteries

26
Q

(Popliteal Artery)

Gives off 5 genicular branches to supply the capsule and ligaments of the knee joint via genicular anastomosis:

A
  • Superior lateral genicular artery
  • Superior medial genicular artery
  • Middle genicular artery
  • Inferior lateral genicular artery
  • Inferior medial genicular artery
27
Q

(Popliteal Artery)

Additional contributors to genicular anastomosis include:

A
  • Descending genicular artery
  • Descending branch of lateral femoral circumflex artery
  • Anterior tibial recurrent artery
28
Q

(Popliteal Vein)
- Superiorly, the popliteal vein will lie posterior to the artery and become the ____ ____ as it traverses the ____ ____.

A

femoral vein as it traverses the adductor hiatus.

29
Q

(Popliteal Artery)
The ____ ____ ____ passes from the posterior aspect of the lateral malleolus to the popliteal fossa, where it pierces the …

A

small saphenous vein; deep popliteal fascia to enter the popliteal vein

30
Q

Popliteal aneurysm

A

Described as an abnormal dilation of all or part of the popliteal artery

31
Q

A popliteal aneurysm may cause…

A

edema and pain in the popliteal fossa. Referred pain may also be felt at the medial aspect of the calf, ankle, or foot.

32
Q

Fractures/dislocations of the distal femur may rupture the artery, resulting in ______.

A

hemorrhage.

33
Q

An injury to the artery and/or vein may result in ____ ____

A

arteriovenous fistula (communication between an artery and vein)

34
Q

If the femoral artery must be ligated, blood can bypass the occlusion through the ____ _____ and reach the popliteal artery distal to the ligation.

A

genicular anastomosis

35
Q

(Injury to Tibial Nerve in Popliteal Fossa)

May be injured by…

A

deep lacerations in the popliteal fossa via posterior dislocation of the knee joint

36
Q

(Injury to Tibial Nerve in Popliteal Fossa)

Severance of the tibial nerve may produce paralysis of the …

A

flexor muscles of the leg and intrinsic muscles in the sole of the foot.

37
Q

(Injury to Tibial Nerve in Popliteal Fossa)

An individual may present with …

A

difficulty/inability. to plantarflex their ankle or flex their toes

38
Q

(Injury to Tibial Nerve in Popliteal Fossa)

May include a loss of sensation on the ____ ____ ____ ____.

A

sole of the foot.

OCT 720 (73 decks)

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