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Muscles O,I&A's > Muscles of abdomen > Flashcards

Muscles of abdomen Flashcards

1
Q

Origin of external obliques

A

Lower 8 ribs

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2
Q

Insertion of external obliques

A

Linea Alba
Pubic crest and tubercle
Anterior superior illiac spine (ASIS)
1/2 of iliac crest

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3
Q

Action of External obliques

A

Flexes and laterally bends trunk

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4
Q

Origin of internal obliques

A

Thoracolumbar fascia
Anterior 2/3 of iliac crest
Lateral 2/3 of inguinal ligament

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5
Q

Insertion of internal obliques

A

Lower 3 or 4 ribs
Linea alba
Pubic crest

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6
Q

Action of internal obliques

A

Flexes and laterally bends trunk

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7
Q

Origin of transverse abdominis

A

Lower 6 ribs
Thoracolumbar fascia
Anterior 3/4 of iliac crest, lateral 1/3 of inguinal ligament

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8
Q

Insertion of Transverse Abdominus

A

Linea alba
Pubic crest
Pecten pubis

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9
Q

Action of Transverse Abdominus

A

Flexes and laterally bends the trunk

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10
Q

Origin of Pyramidalis

A

Pubis, anterior to the rectus abdominus

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11
Q

Insertion of Pyramidalis

A

Linea Alba

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12
Q

Action of Pyramidalis

A

Draws Linea Alba inferiorly

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13
Q

Origin of Quadratus Lumborum

A

Posterior part of iliac crest
Iliolumbar ligament

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14
Q

Insertion of Quadratus Lumborum

A

TVP’s of L1-L4
12th rib

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15
Q

Action of Qudratus Lumborum

A

Laterally bends the trunk, flexes the 12th rib

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16
Q

Origin of Rectus Abdominis

A

Pubis and pubic symphysis

17
Q

Insertion of Rectus Abdominis

A

Xiphoid process
Costal Cartilages 5-7

18
Q

Action of rectus abdominis

A

Flexes the trunk

Muscles O,I&A's (13 decks)

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