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Anatomy > 15: Musculoneurovascular systems of anterior and posterior compartments thigh > Flashcards

15: Musculoneurovascular systems of anterior and posterior compartments thigh Flashcards

1
Q

Gluteus maximus and tensor fasciae latae insert into

A

Iliotibial tract

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2
Q

Superficial thigh is covered by

A

Fascia lata

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3
Q

Thickened fascia lata on lateral thigh is called

A

iliotibial tract

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4
Q

Main innervation of anterior compartment

A

femoral nerve

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5
Q

Main innervation of posterior compartment

A

sciatic nerve

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6
Q

Main innervation of lateral compartment

A

obturator nerve

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7
Q

Muscles of anterior compartment

A

Pectineus
Psoas major
Iliacus
Sartorius
Rectus femoris
Vastus lateralis
Vastus medialis
Vastus intermedialis

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8
Q

Muscles of posterior compartment

A

Semitendinosus
semimembranosus
Biceps femoris

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9
Q

Origin of pectineus

A

superior pubic ramus

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10
Q

Insertion of pectineus

A

pectineal line of femur, inferior to lesser trochanter

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11
Q

Innervation of pectineus

A

Femoral nerve
sometimes branch from obturator

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12
Q

Action of pectineus

A

Adducts, flexes and externally rotates hip

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13
Q

Origin of psoas major

A

lateral part of T12-L5 vertebrae

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14
Q

Insertion of psoas major

A

Lesser trochanter of femur

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15
Q

Innervation of psoas major

A

Direct branches from L1-3 inferior rami

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16
Q

Actions of psoas major

A

flexes thigh at hip
lateral rotation at hip
stabilisation of leg when standing
maintenance of posture

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17
Q

Actions of iliacus

A

flexes thigh at hip
lateral rotation at hip
stabilisation of leg when standing
maintenance of posture

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18
Q

Origin of iliacus

A

Iliac fossa and crest
Ala of sacrum
Sacroiliac ligaments

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19
Q

Insertion of iliacus

A

lesser trochanter of femur

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20
Q

Innervation of iliacus

A

femoral nerve

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21
Q

Origin of sartorius

A

ASIS

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22
Q

Insertion of sartorius

A

medial to tibial tuberosity

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23
Q

Innervation of sartorius

A

femoral nerve

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24
Q

Actions of sartorius

A

flexes, abducts and externally rotates thigh
flexes leg

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25
Q

Where is the reflective head of rectus femoris

A

lateral

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26
Q

Where is the straight head of rectus femoris

27
Q

Origin of straight head of RF

28
Q

Origin of reflected head of RF

A

Ilium (superior to acetabulum)

29
Q

Insertion of RF

A

quadriceps tendon

30
Q

Innervation of RF

A

femoral nerve

31
Q

Actions of RF

A

Extends leg
steadies hip joint

32
Q

Origin of vastus lateralis

A

greater trochanter of femur
Lateral lip of linea aspera

33
Q

Insertion of vastus lateralis

A

Quadriceps tendon

34
Q

Innervation of vastus lateralis

A

femoral nerve

35
Q

Action of vastus lateralis

A

extends leg

36
Q

Origin of vastus medialis

A

intertrochanteric line of femur
medial lip of linea aspera

37
Q

Insertion of vastus medialis

A

quadriceps tendon

38
Q

Innervation of vastus medialis

A

femoral nerve

39
Q

Action of vastus medialis

A

extends leg

40
Q

Origin of vastus intermedius

A

anterior and lateral shaft of femur

41
Q

Insertion of vastus intermedius

A

quadriceps tendon

42
Q

Innervation of vastus intermedius

A

femoral nerve

43
Q

Action of vastus intermedius

A

extends leg

44
Q

Patellar dislocation is caused by…

A

Direct blow to patella or sudden twist of leg

45
Q

Patella usually slips….when it is dislocated

46
Q

Origin of semitendinosus

A

ischial tuberosity

47
Q

Insertion of semitendinosus

A

Medial to tibial tuberosity

48
Q

Innervation of semitendinosus

A

tibial division of sciatic nerve

49
Q

Actions of semitendinosus

A

extends hip joint
flexes knee joint
medial rotation of leg when knee is flexed
can extend trunk when rising from seated position

50
Q

Origin of semimembranosus

A

Ischial tuberosity

51
Q

Insertion of semimembranosus

A

Posterior part of medial tibial condyle
Oblique popliteal ligament

52
Q

Innervation of semimembranosus

A

tibial division of sciatic nerve

53
Q

Action of semimembranosus

A

extends thigh
flexes leg
medial rotation of leg at knee when knee is flexed

54
Q

Origin of long head of biceps femoris

A

ischial tuberosity

55
Q

Origin of short head of biceps femoris

A

lateral part of linea aspera
lateral supracondylar line

56
Q

Insertion of biceps femoris

A

lateral part of fibular head

57
Q

Innervation of long head of biceps femoris

A

Tibial division of sciatic nerve

58
Q

Innervation of short head of biceps femoris

A

Fibular division of sciatic nerve

59
Q

Actions of biceps femoris

A

extends thigh
flexes leg
lateral rotation of leg at knee when knee is flexed

60
Q

Internal iliac artery supplies…

A

gluteal and pelvic region

61
Q

When does the external iliac artery become the femoral artery

A

when it passes under the midpoint of inguinal ligament

62
Q

Femoral artery gives off branch called… which supplies the thigh

A

Profunda femoris

63
Q

Course of femoral artery

A

Passes posterior to femur through adductor hiatus
Continues distally to the popliteal fossa where it becomes the popliteal artery

64
Q

Superficial regions of thigh are drained by

A

great saphenous vein

Anatomy (17 decks)

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