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HK 3502 > Anterior and Medial Thigh > Flashcards

Anterior and Medial Thigh Flashcards

1
Q

What are the muscles of the anterior thigh?

A

Pectineus
Iliopsoas
Sartorius
Quadriceps Femoris

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2
Q

What are the muscles of the medial thigh?

A

Adductor Longus/Brevis/Magnus
Gracilis
Pectineus
Obturator Externus

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3
Q

Which muscles make up quadriceps femoris?

A

Rectus Femoris
Vastus Lateralis
Vastus Medialis
Vastus Intermedius

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4
Q

Which nerve innervates muscles of the anterior thigh?

A

Femoral nerve

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5
Q

Where does iliopsoas insert?

A

Lesser trochanter of femur

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6
Q

What action does iliopsoas contribute to?

A

Flexion at hip

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7
Q

Where does sartorius originate?

A

ASIS

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8
Q

Where does sartorius insert?

A

Tibia: superior aspect of medial surface

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9
Q

Which actions does sartorius contribute to?

A

Flex, Abduct, and Laterally Rotate Thigh at Hip Joint

Flex at Knee

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10
Q

Which nerve innervates sartorius?

A

Femoral nerve

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11
Q

Where does rectus femoris originate?

A

AIIS

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12
Q

Where does rectus femoris insert?

A

Base of patella

Tibial tuberosity via Patellar ligament

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13
Q

Which actions does rectus femoris contribute to?

A

Flexion at hip

Extension of leg at knee

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14
Q

Where does vastus lateralis originate?

A

Greater trochanter

Lateral lip of linea aspera

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15
Q

Where does vastus lateralis insert?

A

Base of patella

Tibial tuberosity via patellar ligament

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16
Q

Where does vastus medialis originate?

A

Intertrochanteric line

Medial lip of linea aspera

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17
Q

Where does vastus medialis insert?

A

Base of patella

Tibial tuberosity via Patellar ligament

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18
Q

Which action do vastus lateralis and vastus medialis contribute to?

A

Extension of leg at knee

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19
Q

Where does vastus intermedius originate?

A

Anterior and lateral surfaces of femur

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20
Q

Where does vastus intermedius insert?

A

Base of Patella

Tibial tuberosity via patellar ligament

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21
Q

Which action does vastus intermedius contribute to?

A

Extension of leg at knee

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22
Q

Which 3 muscles insert at the superior aspect of medial surface of the tibia?

A

Sartorius
Semitendinosus
Gracilis

23
Q

Where does the tensor of vastus intermedius insert?

A

Medial aspect of patellar base

for tracking of patella

24
Q

Where is femoral nerve in relation to bony landmarks when it crosses under the inguinal ligament?

A

Halfway between AIIS and pubic bone

25
Q

What are the 2 ‘fringe’ muscles of the medial thigh?

A

Pectineus

Adductor Magnus

26
Q

Where does pectineus originate?

A

On pubic bone

27
Q

Where does pectineus insert?

A

At pectineal line (inserts on posterior aspect of proximal femur)

28
Q

Which actions does pectineus contribute to?

A

Adduction of thigh at hip
Flexion of thigh at hip
Medial rotation at hip

29
Q

What nerves innervate pectineus?

A

Femoral nerve

Obturator nerve

30
Q

Where do adductor longus and adductor brevis lie in relation to each other?

A

Adductor longus is superficial to adductor brevis

31
Q

Where do adductor longus and brevis originate?

A

Pubic bone

32
Q

Where do adductor longus and brevis insert?

A

Linea aspera of femur

33
Q

What action do adductor longus and brevis contribute to?

A

Adduction of thigh

34
Q

What nerve innervates adductor longus and brevis?

A

Obturator nerve

35
Q

What are the 2 portions of adductor magnus?

A

Adductor portion

Hamstring portion

36
Q

Where does the adductor portion of adductor magnus originate and insert?

A

Pubic Bone/Ramus of Ischium –> Linea aspera of femur

37
Q

Which actions does the adductor portion of adductor magnus contribute to?

A

Adduction of thigh

Flexion of thigh

38
Q

What is the adductor portion of adductor magnus innervated by?

A

Obturator nerve

39
Q

Where does the hamstring portion of adductor magnus originate and insert?

A

Ischial tuberosity –> Adductor tubercle of femur

40
Q

What actions does the hamstring portion of adductor magnus contribute to?

A

Adduction of thigh

Extension of thigh

41
Q

What is the hamstring portion of adductor magnus innervated by?

A

Sciatic nerve (tibial division)

42
Q

Where does gracilis originate?

A

Pubic bone

43
Q

Where does gracilis insert?

A

Tibia: superior aspect of medial surface

44
Q

Which actions does gracilis contribute to?

A

Adduction of thigh
Flexion at knee
Medial rotation of leg

45
Q

Which nerve is gracilis innervated by?

A

Obturator nerve

46
Q

Where does obturator externus originate?

A

Obturator Membrane

Margins of Obturator Foramen

47
Q

Where does obturator externus insert?

A

Trochanteric fossa of femur

48
Q

Which actions does obturator externus contribute to?

A

Lateral rotation at hip joint

Stabilization of hip joint

49
Q

What is obturator externus innervated by?

A

Obturator nerve

50
Q

What are the two branches of the obturator nerve?

A

Posterior branch and anterior branch

51
Q

Which muscle do the branches of the obturator nerve go around?

A

Adductor brevis

52
Q

What are the boundaries of the femoral triangle?

A

Inguinal ligament
Sartorius
Adductor Longus

53
Q

What is contained in the femoral triangle?

A

Femoral nerve, artery, and vein

54
Q

What muscles make up the floor of the femoral triangle?

A

Iliopsoas

Pectineus

HK 3502 (17 decks)

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