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MSK > thigh stuff > Flashcards

thigh stuff Flashcards

1
Q

origin biceps femoris

A

long head: ischial tuberosity
short head: linea aspera and lateral supracondylar line of femur

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2
Q

insertion biceps femoris

A

lateral side of head of fibula, tendon is split at this site by fibular collateral ligament of knee

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3
Q

action biceps femoris

A

flexes and laterally rotates leg, extends thigh at hip

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4
Q

inn. biceps femoris

A

long head: sciatic n (tibial division)
short head: sciatic n (common fibular division

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5
Q

origin semimembranosus

A

ischial tuberosity

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6
Q

insertion semimembranosus

A

posterior part of medial condyle of tibia

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7
Q

action semimembranosus

A

flexes leg, extends thigh, internal rotation knee joint

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8
Q

inn. semimembranosus, semitendinosus

A

sciatic n (tibial division)

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9
Q

origin semitendinosus

A

ischial tuberosity

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10
Q

insertion semitendinosus

A

superior part of medial surface of tibia

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11
Q

action semitendinosus

A

flexes leg, extends thigh, internal rotation of knee joint

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12
Q

origin adductor brevis

A

body and inferior pubic ramus

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13
Q

origin adductor longus

A

body of pubis inferior to pubic crest

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14
Q

origin adductor magnus

A

adductor part: inferior ramus of pubis, ramus of ischium
hamstring part: ischial tuberosity

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15
Q

origin gracilis

A

body and inferior ramus of pubis

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16
Q

origin obturator externus

A

margins of obturator foramen, obturator membrane

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17
Q

origin pectineus

A

superior ramus of pubis

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18
Q

insertion adductor brevis

A

pectineal line and proximal part of linea aspera of femur

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19
Q

insertion adductor longus

A

middle third of linea aspera of femur

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20
Q

insertion adductor magnus

A

adductor part: gluteal tuberosity, linea aspera, medial supracondylar line
hamstring part: adductor tubercle of femur

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21
Q

insertion gracie is

A

superior part of medial surface of tibia

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22
Q

insertion obturator externus

A

trochanteric fossa of femur

23
Q

insertion pectineus

A

pectineal line of femur

24
Q

action adductor brevis

A

adduct thigh at hip, weak hip flexor

25
Q

action adductor longus

A

adduct thigh at hip

26
Q

action adductor magnus

A

adductor part: adduct and flex thigh
hamstring part: extend thigh

27
Q

action gracilis

A

adducts thigh, flexes and medially rotate leg

28
Q

action obturator externus

A

laterally rotate thigh, stabilize head of femur in acetabulum

29
Q

action pectineus

A

adduct and flex thigh at hip, assist with medial rotation

30
Q

inn. adductor brevis, gracilis, obturator externus

A

obturator n

31
Q

inn. adductor longus

A

obturator n (anterior division)

32
Q

inn. adductor magnus

A

adductor part: obturator n
hamstring part: sciatic n (tibial division)

33
Q

inn. pectineus

A

femoral n and sometimes obturator n

34
Q

origin articularis genus

A

distal femur on anterior surface

35
Q

insertion articularis genus

A

suprapatellar bursa

36
Q

origin iliacus

A

superior 2/3 iliac fossa, iliac crest, ala of sacrum, anterior sacroiliac ligaments

37
Q

insertion iliacus

A

lesser trochanter and shaft inferior to it, to spots major tendon

38
Q

origin spots major

A

transverse processes of lumbar vertebrae, sides of bodies T2-L5 vertebrae, intervening intervertebral discs

39
Q

insertion psoas major

A

lesser trochanter

40
Q

origin sartorius

A

ASIS and superior part of notch below it

41
Q

insertion sartorius

A

superior part of medial surface of tibia

42
Q

origin rectus femoris

A

AIIS and ilium superior to acetabulum

43
Q

origin vastus intermedius

A

anterior and lateral surfaces of body of femur

44
Q

origin vastus lateralis

A

greater trochanter, lateral lip of linea aspera of femur

45
Q

origin vastus medialis

A

intertrochanteric line, medial lip of linea aspera

46
Q

insertion of four quadriceps muscles

A

common tendinous (quadriceps tendon) and independent attachments to base of patella

47
Q

action articularis genus

A

pulls suprapatellar bursa superior with extension of knee

48
Q

action iliacus

A

flexes thigh at hips and stabilizes hip joint, acts with psoas major

49
Q

action psoas major

A

acts with iliacus, flexes hip, acting inferiorly, flexes vertebral column laterally, used to balance trunk in sitting position, flexes trunk

50
Q

action sartorius

A

abducts, laterally rotates, flexes thigh, flexes knee joint

51
Q

action quadriceps

A

extends leg at knee joint (rectus femoris also flexes thigh at hip jt.)

52
Q

inn. all off anterior thigh except psoas major

A

femoral n.

53
Q

inn. psoas major

A

ventral rami of first lumbar n.

MSK (11 decks)

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