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Anatomy > 29. Anterior and Medial Thigh > Flashcards

29. Anterior and Medial Thigh Flashcards

1
Q

Functions of anterior compartment of thigh?

A

Flex hip

Extend knee

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2
Q

Functions of medial compartment of thigh?

A

Adduct hip

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3
Q

Functions of posterior compartment of thigh?

A

Extend hip

Flex knee

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4
Q

Be able to label the bony features of the femur

A

SLIDE 4

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5
Q

Name the 4 muscles which flex the hip

A

Iliacus
Psoas major
Pectineus
Sartorius

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6
Q

Name the muscles that extend the knee

A

Quadriceps

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7
Q

Name the 4 muscles that make up the quadricep group

A

Rectus femoris
Vastus medialis
Vastus lateralis
Vastus intermedius

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8
Q

Origin of iliacus? (4)

A

Iliac crest
Iliac fossa
Ala of sacrum
Anterior sacroiliac ligament

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9
Q

Insertion of iliacus?

A

Psoas tendon

Lesser trochanter

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10
Q

Innervation of ilicus?

A

Femoral L2, L3

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11
Q

Function of iliacus?

A

Flex hip

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12
Q

Origin of psoas major?

A

T12 - L5 IV discs

Lumbar transverse processes

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13
Q

Insertion of psoas major?

A

Lesser trochanter

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14
Q

Innervation of psoas major?

A

Anterior rami L1 - L3

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15
Q

Function of psoas major?

A

Flex hip

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16
Q

Origin of pectineus?

A

Superior ramus of pubis

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17
Q

Insertion of pectineus?

A

Pectineal line of femur

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18
Q

Innervation of pectineus?

A

Femoral nerve L2, L3

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19
Q

Action of pectineus?

A

Adduct and flex hip

Assist with medial rotation

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20
Q

Origin of sartorius?

A

ASIS

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21
Q

Insertion of sartorius?

A

Superior part of medial surface of tibia

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22
Q

Innervation of sartorious?

A

Femoral L2, L3

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23
Q

Action of sartorious?

A

Flex
Abduct
Laterally rotate hip

Flex knee

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24
Q

Origin of rectus femoris?

A

AIIS

Ilium above acetabulm

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25
Q

Origin of vastus lateralis?

A

Greater trochanter

Lateral linea aspera

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26
Q

Origin of vastus medialis?

A

Intertrochanteric line

Medial linea aspera

27
Q

Origin of vastis intermedialis?

A

Anterior and lateral shaft of femur

28
Q

Insertion of the quad muscles?

A

Quadriceps tendon then tibial tuberosity via patellar ligament

29
Q

Action of quads?

A

Extend knee

Rectus femoris also flexes hip

30
Q

Innervation of quads?

A

Femoral L2, L3

31
Q

What is the terminal cutaneous branch of the femoral nerve?

A

Saphenous nerve (supplies anteromedial knee, leg and foot)

32
Q

Which muscles adduct the hip? (4)

A

Gracilis
Adductor longus
Adductor brevis
Adductor magnus

33
Q

Origin of gracilis?

A

Body and inferior ramus of pubis

34
Q

Insertion of gracilis?

A

Superior medial surface of tibia

35
Q

Innervation of gracilis?

A

Obturator nerve L2, L3

36
Q

Action of gracilis?

A

Adducts hip

Flexes knee

37
Q

Origin of adductor longus?

A

Body of pubis

38
Q

Insertion of adductor longus?

A

Middle 1/3rd of linea aspera

39
Q

Innervation of adductor longus?

A

Obturator L2, L3, L4

40
Q

Action of adductor longus?

A

Adducts thigh

41
Q

Origin of adductor brevis?

A

Body and inferior ramus of pubis

42
Q

Insertion of adductor brevis?

A

Pectineal line

Proximal linea aspera

43
Q

Innervation of adductor brevis?

A

Obturator L2, L3, L4

44
Q

Action of adductor brevis?

A

Adducts thigh

May assist flexion

45
Q

Origin of adductor magnus?

A

Ischiopubic ramis

Ischial tuberosity

46
Q

Insertion of adductor magnus?

A

Linea aspera
Medial supracondylar line
Adductor tubercle

47
Q

Innervation of adductor magnus?

A

Obturator (L2, L3, L4)

Hamstring part - tibial division of sciatic nerve L4

48
Q

Action of adductor magnus?

A

Adducts thigh (adductor part)

Extends thigh (hamstring part)

49
Q

Origin of obturator externus?

A

Margins of obturator foramen

Obturator membrane

50
Q

Insertion of obturator externus?

A

Trochanteric fossa

51
Q

Innervation of obturator externus?

A

Obturator nerve L3, L4

52
Q

Action of obturator externus?

A

Laterally rotates thigh

NOT adduction

53
Q

What are the branches of the obturator nerve?

A

Anterior and posterior

Relative to adductor brevis

54
Q

Describe the adductor canal?

A

Runs from apex of femoral triangle to adductor hiatus

Underneath the distal half of sartorius

55
Q

What are the boundaries of the adductor canal?

A

Sartorius
Vastus medialis
Adductor longus

56
Q

Which nerves and vessels run through the adductor canal?

A

Femoral vessels

Saphenous nerve

57
Q

Where does the femoral artery become the popliteal artery?

A

Adductor hiatus

58
Q

What is the largest branch of the femoral artery?

A

Profunda femoris

59
Q

Name some branches of the profunda femoris?

A

3-4 perforating branches through adductor magnus

Medial and lateral circumflex branches

60
Q

Which muscle does profunda femoris run deep to?

A

Adductor longus

61
Q

Which artery does the femoral artery branch from?

A

External iliac

62
Q

Which artery does the obturator artery branch from?

A

Internal iliac

63
Q

What arteries make up the cruciate anastomosis? (4)

A

Inferior gluteal
Medial circumflex femoral
Lateral circumflex femoral
1st perforating branch

64
Q

What are the branches of the obturator artery? And what do they supply?

A

Anterior - muscles of medial compartment

Posterior - muscles attached to the ischial tuberosity

Anatomy (49 decks)

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