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1011 ANATOMY > Week 6 Anterior and medial thigh > Flashcards

Week 6 Anterior and medial thigh Flashcards

1
Q

proximal and distal attachment of pectineus

A

proximal:
superior ramus of pubis

distal:
- lesser trochanter of femur
- **pectineal line of femur**
.

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2
Q

innervation of pectineus

A

femoral nerve

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3
Q

main action of pectineus

A

assist in lateral rotation
adducts and slightly flexes hip joint

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4
Q

proximal and distal attachment of psoas major

A

proximal:
- sides of T12-L5 vertebrae and disc between them
- transverse processes of all lumbar vertebrae

distal:
lesser trochanter of femur

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4
Q

main action of psoas major

A

act conjointly in flexion and lateral rotation of hip joint
stabilizing joint when standing

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4
Q

innervation of psoas major

A

anterior rami of lumbar nerve (L1, L2, L3)

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4
Q

proximal and distal attachment of iliacus

A

proximal:
- iliac crest
- iliac fossa
- ala of sacrum
- anterior sacroiliac ligaments

distal:
- tendon of psoas major
- lesser trochanter of femur

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5
Q

innervation of iliacus

A

femoral nerve

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6
Q

main action of iliacus

A

act conjointly in flexion and lateral rotation of hip joint
stabilizing joint when standing

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7
Q

proximal and distal attachment of sartorius

A

proximal:
anterior superior iliac spine (ASIS)
superior part of notch inferior to it

distal:
superior part of medial surface of tibia
.

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8
Q

innervation of sartorius

A

femoral nerve

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9
Q

main action of sartorius

A

abducts, flexes, laterally rotates hip joint
flexes knee joint

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10
Q

proximal and distal attachment of rectus femoris

A

proximal:
anterior inferior iliac spine (AIIS)
ilium superior to acetabulum

distal:
via common tendinous (quadriceps tendon) to base of patella, indirectly via patella ligament to tibial tuberosity

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11
Q

innervation of rectus femoris

A

femoral nerve

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12
Q

main action of rectus femoris

A
  • extends knee joint
  • steadies hip joint
  • helps iliopsoas flex hip joint
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13
Q

proximal and distal attachment of vastus lateralis

A

proximal:
greater trochanter
lateral lip of linea aspera of femur

distal:
via common tendinous (quadriceps tendon) to base of patella, indirectly via patella ligament to tibial tuberosity

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14
Q

innervation of vastus medialis

A

femoral nerve

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15
Q

main action of vastus medialis, lateralis, intermedius

A

extends knee joint

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16
Q

proximal and distal attachment of vastus intermedius

A

proximal:
anterior and lateral surfaces of shaft of femur

distal:
via common tendinous (quadriceps tendon) to base of patella, indirectly via patella ligament to tibial tuberosity

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17
Q

innervation of vastus intermedius

A

femoral nerve

18
Q

proximal and distal attachment of adductor longus

A

proximal:
body of pubis inferior to pubic crest

distal:
middle third of linea aspera of femur

19
Q

innervation of adductor longus

A

obturator nerve
branch of anterior division

20
Q

main action of adductor longus

A

adducts hip joint

21
Q

proximal and distal attachment of adductor brevis

A

proximal:
body and inferior ramus of pubis

distal:
pectineal line
proximal part of linea aspera of femur

22
Q

innervation of adductor brevis

A

obturator nerve
branch of anterior division

23
Q

main action of adductor brevis

A

adducts hip joint

24
Q

proximal and distal attachment of adductor magnus (adductor part)

A

proximal:
inferior ramus of pubis and ramus of ischium

distal:
gluteal tuberosity
linea aspera
medial supracondylar line

25
Q

proximal and distal attachment of adductor magnus (hamstring part)

A

proximal: ischial tuberosity
distal: adductor tubercle of femur

26
Q

innervation of adductor magnus (adductor and hamstring part)

A

adductor part:
obturator nerve
branch of posterior division

hamstring part:
tibial division of sciatic nerve

27
Q

main action of adductor magnus (adductor and hamstring part)

A

adducts hip joint

adductor: flexes hip joint
hamstring: extends hip joint

28
Q

proximal and distal attachment of gracilis

A

proximal:
body and inferior ramus of pubis

distal:
superior part of medial surface of tibia

proximal attachment is the same as the proximal attachment adductor brevis

29
Q

innervation of gracilis

A

obturator nerve

30
Q

main action of gracilis

A

adducts hip joint
flexes knee joint
medially rotates it when flexed

31
Q

proximal and distal attachment of obturator externus

A

proximal:
- margins of obturator foreman
- obturator membrane

distal:
trochanteric fossa of femur

32
Q

innervation of obturator externus

A

obturator nerve

33
Q

main action of obturator externus

A

laterally rotates hip joint
stabilises hip joint

34
Q

nerves of the medial compartment of thigh

A

obturator nerve
- anterior branch:
above obturator externus
anterior surface of adductor brevis
*branch to hip joint
*supplies adductor longus, brevis, gracilis and skin over medial thigh

  • posterior branch:
    through obturator externus
    deep to adductor brevis
    *supplies adductor magnus (adductor part) and knee joint
35
Q

nerves of the anterior compartment

A

femoral nerve

  • arise with psoas major
  • passes deep to the mid-point of the inguinal ligament
  • enters the femoral triangle
36
Q

fermoral artery

A
  • distal to inguinal ligament
  • descends through femoral triangle
  • courses through the adductor canal
  • passes through the adductor hiatus
  • terminates as the popliteal artery
37
Q

boundaries of femoral triangle

superiorly, laterally, medially

A

superiorly: inguinal ligament
laterally: medial border of sartorius
medially: lateral border of adductor longus

(SAIL)

38
Q

roof of femoral triangle

A

skin
fascia lata with cribriform fascia
saphenous opening

39
Q

floor of femoral triangle

A

pectineus
psoas
iliacus

40
Q

contents of femoral triangle

A

femoral nerve, artery, vein, lymph nodes
femoral canal
(NAVY) from lateral to medial

41
Q

apex of femoral triangle

A

adductor (Hunter’s or subsartorial) canal

42
Q

roof of adductor canal

A

sartorius and subsartorial fascia

43
Q

walls of adductor canal

A

vastus medialis
adductor longus
adductor magnus

44
Q

contents of adductor canal

A

femoral artery
femoral vein
nerve to vastus medialis
saphenous nerve

45
Q

extremities 末端of adductor canal

A

apex of femoral triangle and adductor hiatus

1011 ANATOMY (13 decks)

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