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Musculoskeletal System > Posterior Thigh > Flashcards

Posterior Thigh Flashcards

1
Q

Name the hip abductors of the posterior thigh

A

Gluteus medius
Gluteus minimus
Tensor fascia latae

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2
Q

Name the lateral rotators of the posterior thigh

A 
Piriformis
Superior gemellus
Inferior gemellus
Obturator internus
Quadratus femoris
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3
Q

Name the hip extensors of the posterior thigh

A

Gluteus maximus
Long head of biceps femoris
Semimembranous
Semitendinosus

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4
Q

Which nerve innervates the hamstrings?

A

Sciatic

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5
Q

Which is the most lateral muscle of the posterior thigh?

A

Biceps femoris

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6
Q

What is the origin of the long head of the biceps femoris?

A

Ischial tuberosity

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7
Q

What is the origin of the short head of the biceps femoris?

A

Linea aspera

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8
Q

Where do the heads of the biceps femoris attach?

A

Head of fibula

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9
Q

What are the actions of biceps femoris?

A

Flexion at knee
Extension at hip
Lateral rotation

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10
Q

What is the innervation of the long head of the biceps femoris?

A

Tibial portion of sciatic nerve

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11
Q

What is the innervation of the short head of the biceps femoris?

A

Common fibular portion of sciatic nerve

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12
Q

What is the origin of the semitendinosus?

A

Ischial tuberosity

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13
Q

What is the insertion of the semitendinosus?

A

Tibia

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14
Q

What is the action of semitendinosus?

A

Knee flexion
Hip extension
Medial rotation

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15
Q

What is the innervation of the semitendinosus?

A

Tibial nerve

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16
Q

What is the origin of the semimembranosus?

A

Ischial tuberosity

17
Q

What is the insertion of the semimembranosus?

A

Medial tibial condyle

18
Q

What is the action of semimembranosus?

A

Knee flexion
Hip extension
Medial rotation

19
Q

What is the innervation of semimembranosus?

A

Tibial nerve

20
Q

What is the contents of the popliteal fossa?

A

Popliteal artery
Popliteal vein
Tibial nerve
Common fibular nerve

21
Q

What forms the superior-medial border of the popliteal fossa?

A

Semimembranosus

22
Q

What forms the superior-lateral border of the popliteal fossa?

A

Biceps femoris

23
Q

What is the inferior-medial border of the popliteal fossa?

A

Medial head of gastrocnemius

24
Q

What is the inferior-lateral border of the popliteal fossa?

A

Lateral head of gastrocnemius

25
Q

What forms the floor of the popliteal fossa?

A

Knee joint capsule

26
Q

Popliteal cysts are usually inflammation and swelling of which bursa?

A

Semimembranosus

27
Q

If a popliteal cyst ruptures, what can the symptoms be mistaken for?

A

DVT

Musculoskeletal System (26 decks)

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