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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
Action of iliacus
Flexed thigh - If thigh is fixed it flexes the thigh on the pelvis
26
Origin of psoas major
Bodies of transverse processes of the lumber spine
27
Insertion of Psoas major
Lesser trochanter of femur with iliacus via the psoas tendon
28
Action of Psoas major
Flexes thigh ; flexes and laterally bends the lumbar spine
29
Origin of psoas minor
Bodies of T12 & L1
30
Origin of psoas minor
Bodies of T12 & L1
31
Insertion of Psoas Minor
Iliopubic eminence at the line of junction of the illium and superior pubic ramus
32
Action of Psoas minor
Flexes & laterally bends the lumbar spine
33
Origin of Gluteus Maximus
Posterior gluteal line Posteior surface of sacrum & coccyx Sacrotuberous ligament
34
Insertion of Gluteus Maximus
Upper fibers : Iliotibial tract Lower fibers : Gluteal tuberosity of femur
35
Action of Gluteus Maximus
Extends and laterally rotates femur
36
Origin of Gluteus Medius
External surface of ilium between posterior and anterior gluteal lines
37
Insertion of Gluteus Medius
Greater trochanter
38
Action of Gluteus Medius
Abducts and medially rotates femur
39
Origin of Gluteus Minimus
External surface of ilium between posterior and anterior gluteal lines
40
Insertion of Gluteus Minimus
Greater trochanter
41
Action of Gluteus Minimus
Abducts and medially rotates femur
42
Action of Adductor Longus
Adducts, flexes and medially rotates femur
43
Insertion of Adductor Longus
Linea aspera
44
Origin Adductor Longus
Medial portion of superior pubic ramus
45
Action of Adductor Brevis
Adducts, flexes and medially rotates femur
46
Insertion of Adductor Brevis
Pectineal line Linea aspera (deep to pectineus and adductor longus)
47
Origin of Adductor Brevis
Inferior Pubic Ramus
48
Origin of Adductor Magnus
Ischiopubic ramus & ischial tuberosity
49
Insertion of Adductor Magnus
Linea aspera & the ischiocondylar part inserts on the adductor tubercle
50
Action of Adductor Magnus
Adducts, flexes and medially rotates the femur the ischiocondylar part extends femur
51
Origin of Gracilis
Pubic Symphysis and inferior pubic ramus
52
Insertion of Gracilis
Pes Anserine
53
Action of Gracilis
Adducts thigh, flexes and medially rotates femur Flexes leg
54
Origin of Pectineus
Pecten Pubis
55
Insertion of Pectineus
Pectineal line of femur
56
Action of Pectineus
Adducts, flexes adducts and medially rotates femur

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

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