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Anatomy > Muscles > Flashcards

Muscles Flashcards

1
Q

Psoas Major: origin

A

TP’s vertebral bodies and adjoining disc of T12-L5

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2
Q

Psoas Major: insertion

A

lesser trachanter

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3
Q

Psoas major: innervation

A

ventral rami of L1-L3

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4
Q

psoas major: actions

A

flexes hip, externally rotates hip, ipsilateral SB, spine flexion and stabilization

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5
Q

iliacus: origin

A

superior 2/3 iliac crest and anterior SI ligament

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6
Q

iliacus: insertion

A

lesser trochanter

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7
Q

iliacus: innervation

A

femoral nerve L2-3

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8
Q

iliacus: actions

A

flexes hip, externally rotates hip

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9
Q

rectus femoris: origin

A

straight head- AIIS

reflected head- groove on ilium superior to acetabulum, fibrous capsule

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10
Q

rectus femoris: insertion

A

patella by quadriceps tendon, tibial tuberocity by patellar tendon

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11
Q

rectus femoris: innervation

A

femoral nerve L2,3,4

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12
Q

rectus femoris: actions

A

flexes hip and extends knee

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13
Q

sartorius: origin

A

ASIS

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14
Q

sartorius: insertion

A

proximal medial surface of tibia at pes anserine

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15
Q

sartorius: innervation

A

femoral nerve L2-3

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16
Q

sartorius: actions

A

flexes hip, externally rotates hip, abduct the hip, internally rotates and flexes the knee

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17
Q

Tensor Fascia Latae: origin

A

anterior iliac crest, lateral surface of ASIS, portion of border of notch below

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18
Q

Tensor Fascia Latae: insertion

A

ITB (iliotibial), lateral tibial condyle at gerdys tubercle

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19
Q

Tensor Fascia Latae: innervation

A

superior gluteal nerve L4,5, S1

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20
Q

Tensor Fascia Latae: actions

A

extends and externally rotates the knee, flexes, abducts, internally rotates the hip, stabilizer of the knee

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21
Q

Gluteus Maximus: origin

A

posterior gluteal line of ilium, posterior sacrum, sacrotuberous ligament

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22
Q

Gluteus Maximus: insertion

A

gluteal tuberosity of femur and ITB

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23
Q

Gluteus Maximus: innervation

A

inferior gluteal nerve L5, S1-2

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24
Q

Gluteus Maximus: actions

A

extends, abducts, and externally rotates hip. stabilizes knee through ITB

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25
Q

Biceps Femoris: origin

A

long head- upper ischial tuberosity
short head- lateral lip of linea aspera inferior to gluteus maximus attachment, proximal 1/2 of lateral supracondylar line

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26
Q

Biceps Femoris: insertion

A

fibular head, LCL, lateral tibial condyle

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27
Q

Biceps Femoris: innervation

A

long head- tibial division of sciatic L5, S1-2

short head- common perineal division of sciatic L5, S1-2

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28
Q

Biceps Femoris: actions

A

extends hip, flexes knee, laterally rotates hip and knee

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29
Q

Semitendinosus: origin

A

inferomedial aspect of ischial tuberosity

30
Q

Semiteninosus: insertion

A

medial aspect of proximal tibia at pes anserine

31
Q

Semiteninosus: innervation

A

tibial division of sciatic nerve L5, S1-2

32
Q

Semiteninosus: actions

A

extends hip, flexes knee, medially rotates hip and knee

33
Q

Semimembranosus: origin

A

superolateral aspect of ischial tuberosity

34
Q

Semimembranosus: insertion

A

posterior aspect of medial tibial condyle

35
Q

Semimembranosus: innervation

A

tibial division of sciatic nerve L5, S1-2

36
Q

Semimembranosus: actions

A

extends hip, flexes knee, medially rotates hip and knee

37
Q

Adductor Magnus: origin

A

inferior ramis of pubis, inferior rams of ischium, and ischial tuberosity

38
Q

Adductor Magnus: insertion

A

linea aspera, medial supracondylar line and adductor tubercle

39
Q

Adductor Magnus: innervation

A

obturator and tibial division of sciatic nerve L2-4

40
Q

Adductor Magnus: actions

A

adduction of hip and extension

41
Q

Adductor Brevis: origin

A

inferior rams of pubis

42
Q

Aductor Brevis: insertion

A

pectineal line and proximal 1/2 of medial lip of line aspera

43
Q

Adductor Brevis: innervation

A

obturator nerve L2-3

44
Q

Adductor Brevis: actions

A

adducts hip

45
Q

Adductor Longus: origin

A

anterior pubic body

46
Q

Adductor Longus: insertion

A

middle 1/3 of medial lip of line aspera

47
Q

Adductor Longus: innervation

A

obturator nerve L2-4

48
Q

Adductor Longus: actions

A

adducts hip and flexion of hip

49
Q

Pectineus: origin

A

pectineal line on superior rams of pubis

50
Q

Pectineus: insertion

A

pectineal line between the lesser and grater trochanter and the line aspera

51
Q

Pectineus: innervation

A

femoral nerve L2-3

52
Q

Pectineus: actions

A

adducts hip, flexes hip

53
Q

Gracilis: origin

A

lower 1/2 of pubic body, lower aspect of inferior pubis rams and adjoining ischial ramus

54
Q

Gracilis: insertion

A

proximal medial surface of tibia at pes anserine

55
Q

Gracilis: innervation

A

obturator nerve L2-3

56
Q

Gracilis: actions

A

adducts hip, flexes and medial rotates knee

57
Q

Gluteus Medius: origin

A

lateral ilium between posterior and anterior gluteal lines

58
Q

Gluteus Medius: insertion

A

lateral aspect of greater trochanter

59
Q

Gluteus Medius: innervation

A

superior gluteal nerve L4-S1

60
Q

Gluteus Medius: actions

A

all- abducts hip
posterior- external rotation
anterior- internal rotation
keeps pelvis level

61
Q

Gluteus Minimus: origin

A

lateral ilium deep to gluteus medius between anterior and inferior gluteal lines

62
Q

Gluteus Minimus: insertion

A

anterolateral aspect of greater trochanter

63
Q

Gluteus Minimus: innervation

A

superior gluteal nerve L4-S1

64
Q

Gluteus Minimus: actions

A

hip abduction, internal rotation

65
Q

Piriformis: origin

A

anterior surface of sacrum at level of S2-S4

66
Q

Piriformis: insertion

A

superior and medial aspect of greater trochanter

67
Q

Piriformis: innervation

A

ventral rami L5, S1-2

68
Q

Piriformis: actions

A

externally rotates hip, and abducts hip

69
Q

Quadratus Femoris: origin

A

lateral border of ischial tuberosity

70
Q

Quadratus Femoris: insertion

A

intertrochanteric crest and quadrate tubercle of femur

71
Q

Quadratus Femoris: innervation

A

nerve to quadratus muscle L4-S1

72
Q

Quadratus Femoris: actions

A

external rotation

Anatomy (4 decks)

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