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Gross Practical Number 2 > Muscles > Flashcards

Muscles Flashcards

1
Q

Tensor fascia Lata
Origin

A

Crest of the ilium

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2
Q

Tensor fascia Lata
Insertion

A

Iliotibial tract

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3
Q

Tensor fascia Lata
Actions

A
  1. Flexes, abducts, and medially rotates femur
  2. Help stabilize knee joint
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4
Q

Gluteus Maximus
origin

A

Posterior gluteal line
Sacrum and coccyx
Posterior ligaments of the sacroiliac joint

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5
Q

Gluteus Maximus
Insertion

A

Gluteal tuberosity/femur
Iliotibial tract

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6
Q

Gluteus Maximus
Nerve supply

A

Inferior gluteal (L5,S1,S2)

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7
Q

Tensor fascia lata
nerve supply

A

Superior gluteal (L4,L5, S1)

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8
Q

Gluteus Maximus
Actions

A

Extends and laterally rotates femur
Help stabilize pelvic bone
Stabilize knee joint

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9
Q

Gracilis origin

A

Ramus/ischium and inferior ramus

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10
Q

Gracilis
Insertion

A

Superior medial shaft tibia

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11
Q

Gracilis
Actions

A

Adducts femur
Flexes leg @ knee joint

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12
Q

Gracilis
Nerve supply

A

Obturator (L2,3,4)

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13
Q

Pectineus
origin

A

Superior ramus

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14
Q

Pectineus
Insertion

A

Pectineus line and lines aspersions/femur

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15
Q

Pectineus
Actions

A

Adducts the femur
Flexion @hip joint

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16
Q

Pectineus
nerve supply

A

Femoral L2,3,4) and obturator (L2,3,4)

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17
Q

Adductor Longus
Origin

A

Superior ramus/pubis

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18
Q

Adductor Longus
Insertion

A

Linea aspera/femur

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19
Q

Adductor Longus
Nerve supply

A

Obturator nerve (L2,3,4)

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20
Q

Adductor brevis
Origin

A

Inferior ramus/pubis

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21
Q

Adductor brevis
Insertion

A

Pectineus line and lines aspersions of femur

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22
Q

Adductor brevis
Action

A

Adducts femur

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23
Q

Adductor brevis
Nerve supply

A

Obturator (L2,3,4)

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24
Q

Adductor magnus
Origin

A

Rami/ischium and pubis

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25
Q

Adductor magnus
Insertion

A

Lines aspera and adductor tubercle/femur

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26
Q

Adductor magnus
Actions

A

Adducts the femur
Extends femur at hip joint

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27
Q

Adductor magnus
Nerve supply

A

Obturator (L2,3,4) & sciatic (L4-S3)

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28
Q

Sartorius
Origin

A

Anterior superior Iliac spine

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29
Q

Sartorius
Insertion

A

Superior medial shaft of tibia

30
Q

Sartorius
Actions

A

Flexion of the hip joint and knee joint (when both are carried out at same time)
Abducts the femur (lateral plane )
Medially rotates the leg

31
Q

Psoas minor origin

A

Bodies T12-L1

32
Q

Psoas minor
Insertion

A

Iliopubic eminence of pubis

33
Q

Psoas minor
Action

A

Flexion of the pelvic bone (upward movement)

34
Q

Psoas minor nerve supply

A

L1 (sometimes L2)

35
Q

Psoas major
Origin

A

Bodies and transverse process lumbar vertebrae

36
Q

Psoas major
Insertion

A

Lesser trochanter/femur

37
Q

Psoas major
Actions

A

Flexion of femur at the hip joint
Help maintain posture

38
Q

Psoas major
Nerve supply

A

Femoral L2,3,4

39
Q

Iliacus
Origin

A

Iliac fossa
Sacrum

40
Q

Iliacus
Insertion

A

Lesser trochanter /femur

41
Q

Rectus femoris
Origin
Insertion

A

Origin : anterior inferior iliac spine &acetabulum /pelvic bone
Insertion :base of patella

42
Q

Vastus lateralis
Origin
Insertion

A

O: greater trochanter, inter trochanter in line and linea aspera of femur
Insertion : base of patella

43
Q

Vastus medialis
Origin
Insertion

A

O:intertrochanteric line and linea aspera of femur
Insertion :base of patella

44
Q

Vastus intermedialis
Origin
Insertion

A

O: anterior lateral aspect of femur
I: base of patella

45
Q

All quad muscles (Sartorius, rectus femoris, vastus medialis/lateralis/intermedius
Actions

A

Extend leg at knee joint
Tonus of the muscles play a role in strengthening the knee joint

Rectus femoris also flexes femur at hip joint

46
Q

Piriformis
Origin

A

Anterior surface of the sacrum (in pelvic cavity)

47
Q

Piriformis
Insertion

A

Greater trochanter femur

48
Q

Piriformis
Nerve supply

49
Q

Superior gamellus
Origin

A

Spine of ischium

50
Q

Superior gamellus
Insertion

A

Greater trochanter of femur

51
Q

Superior gamellus
Nerve supply

A

L4,L5,S1,S2

52
Q

Obturator internus
Origin

A

Internal surface of the Obturator membrane

53
Q

Obturator internus
Insertion

A

Greater trochanter of femur

54
Q

Obturator internus
Nerve supply

A

L4,L5,S1,S2

55
Q

Inferior gamellus
Origin

A

Tuberosity of the ischium

56
Q

Inferior gamellus
Insertion

A

Greater trochanter of femur

57
Q

Inferior gamellus
Nerve supply

A

L4,L5,S1,S2

58
Q

Obturator externus
Origin

A

External surface of the Obturator membrane

59
Q

Obturator externus
Insertion

A

Trochanteric fossa/femur

60
Q

Obturator externus
Nerve supply

A

Obturator L2-4

61
Q

Quadratus femoris
Origin

A

Tuberosity ischium

62
Q

Quadratus femoris
Insertion

A

Quadrate tubercle of femur

63
Q

Quadratus femoris
Nerve supply

A

L4,L5,S1,S2

64
Q

All posterior hamstring muscles origin
Semitendinosus
Semimembranosus
Biceps femoris (not short head)

A

Ischial tuberosity

65
Q

Semitendinosus
Insertion

A

Medial condyle and proximal posterior shaft/tibia

66
Q

Semimembranosus
Insertion

A

Medial condyle of tibia

67
Q

Biceps femoris
Insertion

A

Head of fibula
Lateral condyle of tibia

68
Q

Actions of all hamstring muscles

A

Flexion of the leg @ knee joint

69
Q

Action of All except short head of biceps femoris

A

Stabilize hip joint
Extension of the femur

70
Q

Semitendinosus & Semimembranosus
Action

A

Medially rotates the leg(tibia)

71
Q

Action of biceps femoris

A

Laterally rotates the leg (tibia)

72
Q

All hamstring muscles are supplied by what nerve ?

A

Sciatic nerve (L4-S3)

Gross Practical Number 2 (1 decks)

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