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Gross Anatomy II NYCC > Anterior & Medial Thigh > Flashcards

Anterior & Medial Thigh Flashcards

1
Q

What is the name of the deficit in the fascia lata where the great saphenous vein drains into the femoral vein?

A

Saphenous hiatus

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2
Q

The great saphenous vein is located _____ in the thigh

A

Medially

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3
Q

The lesser saphenous vein is located _____ in the leg

A

Posteriorly

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4
Q

The saphenous nerve runs with the _____

A

Great saphenous vein

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5
Q

Branches of the _____ run with the lesser saphenous vein

A

Sural nerve

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6
Q

What forms the iliotibial tract/band?

A

Aponeurosis of gluteus Maximus & tensor fascia lata

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7
Q

What are the 2 specializations of the fascia lata (deep fascia)?

A

Iliotibial tract/band
Saphenous opening/hiatus

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8
Q

Describe the borders of the femoral triangle

A
  • superior/base = inguinal ligament
  • medial = adductor longus
  • lateral = sartorius
  • floor = pectineus (med) & iliopsoas (lat)
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9
Q

What are the contents of the femoral triangle?

A

femoral n, a, v, and lymph (NAVL)

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10
Q

What structures are within the femoral sheath that exits the femoral triangle?

A

Femoral a & v, lymph

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11
Q

Name the contents of the adductor canal

A

Femoral a
Femoral v
N to vastus medialis
Saphenous n

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12
Q

Where do structures in the adductor hiatus end up?

A

Femoral a & v travel posteriorly
Saphenous n stays anterior
N to vastus medialis ends in the muscle

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13
Q

Femoral a and v are continuations of the ____ and ____

A

External iliac a & v

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14
Q

Name the branches of the femoral artery

A
  • profunda femoris a
  • medial femoral circumflex a
  • lateral femoral circumflex a
  • descending genicular a
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15
Q

Name the muscles of the iliopsoas group

A

Psoas major
Psoas minor
Iliacus

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16
Q

Name the 4 quadriceps muscles

A

Rectus femoris
Vastus medialis
Vastus intermedius
Vastus lateralis

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17
Q

Origin & insertion of Psoas major

A

O: T12-L5 vertebrae & IVDs, TPs of L1-L5
I: with iliacus into lesser trochanter

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18
Q

Innervation of Psoas major

A

L1-L3 ventral primary rami

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19
Q

Action of Psoas major

A

Flex thigh at hip

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20
Q

Origin & insertion of Psoas minor

A

O: T12,L1 vertebrae & IVD
I: pectineal line, iliopectineal eminence

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21
Q

Innervation of Psoas minor

A

Branch of L1

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22
Q

Action of Psoas minor

A

Assist Psoas major

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23
Q

Origin & insertion of iliacus

A

O: iliac fossa (as tendon of Psoas major passes over iliacus, tendons fuse forming iliopsoas)
I: lesser trochanter

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24
Q

Innervation of iliacus

A

Femoral n

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25
Q

Action of iliacus

A

Flex thigh at hip

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26
Q

Origin & insertion of sartorius

A

O: anterior superior iliac spine
I: superior part of medial surface of tibia

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27
Q

Action of sartorius

A
  • flex, abduct, laterally rotate thigh at the hip
  • flex & medially rotate leg at the knee
28
Q

What forms the pes anserinus complex?

A

Tendons of sartorius, gracilis, semitendinosus all have distal attachments alongside each other at the Superomedial tibia

29
Q

What is the function of the pes anserinus complex?

A

Postural stabilization

30
Q

What is the bony insertion of quadriceps femoris?

A

All form the quadriceps tendon that envelops the patella and inserts at the tibial tuberosity as the patellar tendon

31
Q

Innervation of quadriceps femoris

A

Femoral nerve

32
Q

Common action of quadriceps femoris

A

Extend the knee

33
Q

Rectus femoris will initiate ____

A

Thigh flexion

34
Q

Origin of rectus femoris

A

straight head: anterior inferior iliac spine
reflected head: rim of acetabulum

35
Q

Origin of vastus medialis

A

O: medial lip of linea aspera & intertrochanteric line of femur

36
Q

Where can the fleshy part of vastus medialis be palpated?

A

Superimedially to patella

37
Q

What happens with weakness of the vastus medialis muscle?

A

Allows patella to track laterally during knee extension causing bony contact with lateral femoral condyle

38
Q

Origin of vastus lateralis

A

Greater trochanter & lateral lip of linea aspera

39
Q

Origin of vastus intermedius

A

Anterior & lateral surfaces of shaft of femur

40
Q

Where is articularis genu located?

A

Deep to vastus intermedius, sometimes blended with it

41
Q

Origin & insertion of articularis genu

A

O: distal femoral shaft
I: synovial joint capsule of knee

42
Q

Innervation of articularis genu

A

Femoral nerve

43
Q

Action of articularis genu

A

Retract synovial capsule to prevent pinching during extension

44
Q

General action of medial femoral muscle group

A

Adduct the thigh (with 1 exception)

45
Q

General innervation of medial femoral muscle group

A

Obturator nerve (2 exceptions)

46
Q

Innervation of adductor magnus

A

Posterior division of obturator n
Tibial division of sciatic n

47
Q

Adductor longus, adductor brevis and gracilis are innervated by the ____

A

Anterior division of obturator n

48
Q

Origin & insertion of pectineus

A

O: pectineal line of pubic bone
I: pectineal line of femur

49
Q

Action of pectineus

A

Hip adduction & flexion

50
Q

Innervation of pectineus

A

Femoral nerve

51
Q

Origin of adductor longus, adductor brevis, & gracilis

A

Ramus & body of pubis bone

52
Q

Insertion of adductor longus

A

Middle 1/3 of linea aspera

53
Q

Insertion of adductor brevis

A

Pectineal line of femur & proximal linea aspera

54
Q

Insertion of gracilis

A

Superomedial surface of tibia

55
Q

Action of adductor brevis & longus

A

Adduct the thigh

56
Q

Action of gracilis

A

Adduct thigh & medially rotate the knee

57
Q

Origin & insertion of adductor part of adductor magnus

A

O: ischiopubic ramus
I: gluteal tuberosity, linea aspera, medial supracondylar line

58
Q

Innervation of adductor part of adductor magnus

A

Posterior branch of obturator nerve

59
Q

Origin & insertion of hamstring part of adductor magnus

A

O: ischial tuberosity
I: adductor tubercle

60
Q

Innervation of hamstring part of adductor Magnus

A

Tibial division of sciatic nerve

61
Q

____ is the exit passage from the adductor canal

A

Adductor hiatus

62
Q

Origin & insertion of obturator externus

A

O: exterior margin of obturator foramen & membrane
I: trochanteric fossa

63
Q

Innervation of obturator externus

A

Posterior division of obturator nerve

64
Q

Action of obturator externus

A

Lateral rotation of thigh

65
Q

The anterior branch of the obturator nerve lies between ____ and ____

A

Adductor longus & brevis

66
Q

The posterior branch of the obturator nerve lies superficial to ____ and deep to ____

A

Obturator externus
Adductor brevis

Gross Anatomy II NYCC (18 decks)

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