Popliteal Fossa - Boundaries, Contents, Relations | Quizlet

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23 Terms

1
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Q: What structure forms the floor (deep wall) of the popliteal fossa?

A: Popliteal surface of femur, posterior knee capsule, oblique popliteal ligament

<p>A: Popliteal surface of femur, posterior knee capsule, oblique popliteal ligament</p>
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Q: What forms the roof (superficial wall)?

A: Skin and fascia (including small saphenous vein and posterior cutaneous nerve of thigh)

<p>A: Skin and fascia (including small saphenous vein and posterior cutaneous nerve of thigh)</p>
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Q: What other nerve may be found laterally in the fossa?

A: Common fibular (peroneal) nerve

<p>A: Common fibular (peroneal) nerve</p>
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Q: What vein drains into the popliteal vein in the fossa?

A: Small saphenous vein

<p>A: Small saphenous vein</p>
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Q: What lymph nodes lie within the fossa?

A: Deep popliteal lymph nodes

<p>A: Deep popliteal lymph nodes</p>
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Q: What artery continues from femoral artery into the fossa?

A: Popliteal artery

<p>A: Popliteal artery</p>
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Q: What does the popliteal artery divide into?

A: Anterior tibial artery and posterior tibial artery

<p>A: Anterior tibial artery and posterior tibial artery</p>
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Q: What forms the superolateral border of the popliteal fossa?

A: Biceps femoris

<p>A: Biceps femoris</p>
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Q: What forms the superomedial border?

A: Semimembranosus and semitendinosus

<p>A: Semimembranosus and semitendinosus</p>
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Q: What forms the inferolateral border?

A: Lateral head of gastrocnemius

<p>A: Lateral head of gastrocnemius</p>
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Q: What forms the inferomedial border?

A: Medial head of gastrocnemius

<p>A: Medial head of gastrocnemius</p>
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Q: What is the deepest structure in the popliteal fossa?

A: Popliteal artery

<p>A: Popliteal artery</p>
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Q: What lies superficial to the popliteal artery?

A: Popliteal vein

<p>A: Popliteal vein</p>
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Q: What lies superficial to the popliteal vein?

A: Tibial nerve

<p>A: Tibial nerve</p>
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Q: What is the arrangement of major structures from deep to superficial?

A: Artery → Vein → Nerve (AVN)

<p>A: Artery → Vein → Nerve (AVN)</p>
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Q: Why is the popliteal artery vulnerable to injury?

A: Fixed position between femur and tibia; prone to damage in knee dislocation

<p>A: Fixed position between femur and tibia; prone to damage in knee dislocation</p>
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Q: What sign suggests a popliteal artery thrombosis?

A: Loss of distal pulses and cold lower leg

<p>A: Loss of distal pulses and cold lower leg</p>
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Q: What nerve is most commonly injured in lateral knee trauma?

A: Common fibular nerve

<p>A: Common fibular nerve</p>
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Q: What structure accompanies the tibial nerve distally?

A: Posterior tibial artery

<p>A: Posterior tibial artery</p>
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Q: What muscle lies deep and lateral to tibial nerve in the fossa?

A: Popliteus

<p>A: Popliteus</p>
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Q: What nerve can be compressed by Baker's cyst (popliteal cyst)?

A: Tibial nerve

<p>A: Tibial nerve</p>
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Q: What clinical test can assess popliteal artery flow?

A: Doppler ultrasound or palpation behind knee when flexed

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