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Gross Anatomy 2 > Posterior Thigh and Popliteal Fossa > Flashcards

Posterior Thigh and Popliteal Fossa Flashcards

1
Q

The posterior thigh contains what group of muscles?

A

Hamstring muscles

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2
Q

What three hamstring muscles are in the posterior thigh?

A
  • Semitendinosus
  • Semimembranous
  • Biceps femoris
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3
Q

What actions do the hamstring muscles perform?

A
  • Extend the hip

- Flex the knee

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4
Q

What is the common proximal attachment for all hamstring muscles?

A

The ischial tuberosity

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5
Q

What muscle of the posterior thigh is located on the medial aspect?

A

Semitendinosus

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6
Q

What muscle is located adjacent to the semitendinosus muscle?

A

Semimembranosus

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7
Q

How many heads does the biceps femoris have?

A

2 - a long and a short

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8
Q

When the knee is flexed, what muscle forms lateral rotation?

A

Biceps femoris

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9
Q

When the knee is flexed, what muscles form medial rotation?

A
  • Semimembranous
  • Semitendinosus
  • Gracilis
  • Sartorius
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10
Q

Where does division of the sciatic nerve into its terminal branches occur?

A

The popliteal fossa

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11
Q

What forms the superior boundary of the popliteal fossa?

A

Biceps femoris laterally

Semimembranous and semitendinous medially

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12
Q

What forms the inferior boundary of the popliteal fossa?

A

The medial and lateral heads of gastrocnemius

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13
Q

What nerve leaves the popliteal fossa to innervate the leg and foot?

A

The sural nerve

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14
Q

What are the contents of the popliteal fossa?

A
  • Popliteal artery and vein

- Tibial and common peroneal nerves

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15
Q

What forms the floor of the popliteal fossa?

A

The popliteal surface of the femur and capsule of the knee joint

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16
Q

What is the name of the ligament that is an expansion of the semimembranosus tendon that runs obliquely across the posterior aspect of the knee?

A

Oblique popliteal ligament

17
Q

What ligament is a thickening of the knee joint capsule where its pierced by the popliteus muscle?

A

Arcuate ligament

18
Q

What vessels pierce the knee joint capsule to supply the cruciate ligaments?

A

Middle genicular vessels

19
Q

What are the genicular arteries a branch of?

A

Popliteal artery

20
Q

When does the femoral artery become the popliteal artery?

A

When it passes through the adductor hiatus

21
Q

How many genicular branches come from the popliteal artery and where are they located?

A

There are 5 genicular branches that wrap around the posterior knee

Gross Anatomy 2 (13 decks)

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