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Muscles O,I&A's > Muscles that move the thigh > Flashcards

Muscles that move the thigh Flashcards

1
Q

Origin of the Piriformis

A

Anterior surface of sacrum

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2
Q

Insertion of piriformis

A

Upper border of greater trochanter

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3
Q

Action of Piriformis

A

Laterally rotates and abducts femur

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4
Q

Origin of Quadratus Femoris

A

Lateral border of Ischial Tuberosity

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5
Q

Insertion of Quadratus Femoris

A

Quadrate line of femur, below intertrochanteric crest

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6
Q

Quadratus Femoris action

A

Laterally rotates femur

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7
Q

Origin of Obturator Internus

A

Internal surface of obturator membrane and margin of obturator foramen

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8
Q

Insertion of Obturator Internus

A

Medial surface of greater trochanter above trochanteric fossa

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9
Q

Action of Obturator Internus

A

Lateral rotation and abduction of femur

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10
Q

Origin of Obturator externus

A

External surface of obturator membrane and superior & inferior of pubic rami

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11
Q

Insertion of Obturator Externus

A

Trochanteric fossa of femur

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12
Q

Obturator Externus action

A

Laterally rotates femur

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13
Q

Origin of Superior Gemellus

A

Ischial spine

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14
Q

Insertion of Superior Gemellus

A

Obturator Internus tendon

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15
Q

Action of Superior Gemellus

A

Laterally rotates femur

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16
Q

Origin of Inferior Gemellus

A

Ischial tuberosity

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17
Q

Insertion of Inferior Gemellus

A

Obturator Internus tendon

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18
Q

Action of Inferior Gemellus

A

Laterally rotates femur

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19
Q

Origin of tensor fascia latae

A

ASIS & iliac crest

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20
Q

Insertion of tensor fascia latae

A

Iliotibial tract

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21
Q

Action of tensor fascia latae

A

Flexes abducts and medial rotates femur

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22
Q

Action of tensor fascia latae

A

Flexes abducts and medial rotates femur

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23
Q

Origin of iliacus

A

Iliac fossa, and crest ; ala of sacrum

24
Q

Insertion of iliacus

A

Lesser trochanter of the femur

25
Q

Action of iliacus

A

Flexed thigh - If thigh is fixed it flexes the thigh on the pelvis

26
Q

Origin of psoas major

A

Bodies of transverse processes of the lumber spine

27
Q

Insertion of Psoas major

A

Lesser trochanter of femur with iliacus via the psoas tendon

28
Q

Action of Psoas major

A

Flexes thigh ; flexes and laterally bends the lumbar spine

29
Q

Origin of psoas minor

A

Bodies of T12 & L1

30
Q

Origin of psoas minor

A

Bodies of T12 & L1

31
Q

Insertion of Psoas Minor

A

Iliopubic eminence at the line of junction of the illium and superior pubic ramus

32
Q

Action of Psoas minor

A

Flexes & laterally bends the lumbar spine

33
Q

Origin of Gluteus Maximus

A

Posterior gluteal line
Posteior surface of sacrum & coccyx
Sacrotuberous ligament

34
Q

Insertion of Gluteus Maximus

A

Upper fibers : Iliotibial tract
Lower fibers : Gluteal tuberosity of femur

35
Q

Action of Gluteus Maximus

A

Extends and laterally rotates femur

36
Q

Origin of Gluteus Medius

A

External surface of ilium between posterior and anterior gluteal lines

37
Q

Insertion of Gluteus Medius

A

Greater trochanter

38
Q

Action of Gluteus Medius

A

Abducts and medially rotates femur

39
Q

Origin of Gluteus Minimus

A

External surface of ilium between posterior and anterior gluteal lines

40
Q

Insertion of Gluteus Minimus

A

Greater trochanter

41
Q

Action of Gluteus Minimus

A

Abducts and medially rotates femur

42
Q

Action of Adductor Longus

A

Adducts, flexes and medially rotates femur

43
Q

Insertion of Adductor Longus

A

Linea aspera

44
Q

Origin Adductor Longus

A

Medial portion of superior pubic ramus

45
Q

Action of Adductor Brevis

A

Adducts, flexes and medially rotates femur

46
Q

Insertion of Adductor Brevis

A

Pectineal line
Linea aspera (deep to pectineus and adductor longus)

47
Q

Origin of Adductor Brevis

A

Inferior Pubic Ramus

48
Q

Origin of Adductor Magnus

A

Ischiopubic ramus & ischial tuberosity

49
Q

Insertion of Adductor Magnus

A

Linea aspera &
the ischiocondylar part inserts on the adductor tubercle

50
Q

Action of Adductor Magnus

A

Adducts, flexes and medially rotates the femur
the ischiocondylar part extends femur

51
Q

Origin of Gracilis

A

Pubic Symphysis and inferior pubic ramus

52
Q

Insertion of Gracilis

A

Pes Anserine

53
Q

Action of Gracilis

A

Adducts thigh, flexes and medially rotates femur
Flexes leg

54
Q

Origin of Pectineus

A

Pecten Pubis

55
Q

Insertion of Pectineus

A

Pectineal line of femur

56
Q

Action of Pectineus

A

Adducts, flexes adducts and medially rotates femur

Muscles O,I&A's (27 decks)

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