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Medical Anatomy > Knee > Flashcards

Knee Flashcards

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USMLE® Step 1 flashcards
1
Q

Name the regions of the lower limb

A 
Gluteal
Femoral
Knee
Leg 
Ankle 
Foot
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2
Q

What are the posterior and lateral borders of the gluteal region?

A

P - buttocks

L - Hip

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3
Q

What is the bone of the gluteal region?

A

Hip (Oscox)

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4
Q

What are the borders of the femoral region?

A

P - gluteal
A - inguinal
I - proximal knee

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5
Q

What is the bone of the femoral region?

A

Femur

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6
Q

What are the borders of the knee?

A

S- distal femoral condyles

I - proximal tibia

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7
Q

What is the bone of the knee region?

A

Patella

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8
Q

What are the borders of the leg region?

A

Distal to knee and proximal to the ankle

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9
Q

What are the bones of the leg region?

A

tibia and fibula

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10
Q

What are the borders of the ankle region?

A

Talocrural joint and distal leg

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11
Q

What does knee stability depend on?

A

Surrounding muscles
Connecting ligaments
Menisci

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12
Q

What are the 2 meniscus in the knee?

A

Lateral and medial

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13
Q

What are the external ligaments of the knee?

A 
Fibular collateral LCL
Tibial collateral MCL
Oblique popliteal
Arcuate popliteal 
Patellar 
Anterior cruciate ligament (ACL)
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14
Q

Where does the lateral collateral ligament (LCL) go?

A

Lateral femoral epicondyle to the

Head of the fibula

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15
Q

Where does the medical collateral ligament (MCL) go?

A

Medial femoral epicondyle to the
Medial meniscus then to the
Medial tibia

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16
Q

What is the role of the MCL?

A

Withstand valgus forces

17
Q

What is the purpose of the LCL?

A

To withstand varus forces (medial -> lateral forces)

18
Q

Where does the ACL go?

A

Medial aspect of lateral femoral condyle to the

Anterior part of the tibia (anterior to intercondylar eminence)

19
Q

What is the purpose of the ACL?

A

Prevent posterior translation of the femur on the tibia
Prevent anterior translation of the tibia on the femur
Prevent knee hyperextension
Limits tibial rotation

20
Q

Where does the PCL go?

A 
Lateral part of medial condyle to the 
Posterior tibia (posterior to the intercondylar eminence)
21
Q

What is the purpose of the PCL?

A

prevent femur sliding forwards off the tibia
Prevents hyper flexion of the knee
Stabilises the flexed knee

Medical Anatomy (15 decks)

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