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Abdomen > Abdominal Muscles > Flashcards

Abdominal Muscles Flashcards

1
Q

Originates from rib5 to 12

A

External oblique

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2
Q

Originates from lateral one third of the inguinal ligament , iliac crest and lumbodorsal fascia

A

Internal oblique

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3
Q

Inserts into outer surface of rib 10-12 an linea alba

A

Internal oblique

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4
Q

Inserts into linea alba, iliac crest and pubic tubercle

A

External oblique

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5
Q

Performs flexion and rotation of torso
Compresses and supports abdominal viscera

A

External oblique

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6
Q

Performs flexion and contralateral rotation of torso
Compresses and supports abdominal viscera

A

Internal oblique

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7
Q

Innervated by thoraco abdominal nerve
Subcostal nerve
Branches of lumbar plexus

A

External and internal oblique
Tranversus abdominus

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8
Q

Their fibers run inferiomedially

A

External oblique

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9
Q

Fibers run superomedially

A

Internal oblique

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10
Q

Inserts into conjoint tendon , xiphoid process, linea alba and pubic symphysis

A

Transversus abdominis

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11
Q

It compressed abdominal organs

A

Transversus abdominis

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12
Q

Originate from lateral one third of inguinal ligament, costal cartilages of rib 7-12,iliac crest and lumbo dorsal fascia

A

Transversus abdominis

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13
Q

BLOOD SUPPLY- INFERIOR AND SUPERIOR EPIGASTRIC ARTERIES

A

Internal Oblique
Transversus Abdominis
Rectus abdominis

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14
Q

Upper two third blood supply-lower posterior intercostal and subcostal arteries
Lower one third blood supply-deep circumflex iliac artery

A

External Oblique

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15
Q

Originate from pubic symphysis an pubic crest

A

Rectus abdominis
Pyramidalis

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16
Q

Inserts into xiphoid process an and costal cartilage of rib 5-7

A

Rectus abdominis

17
Q

Inserts into linea alba and acts to tense linea alba

A

Pyramidalis

18
Q

Assist in compression of abdominal viscera
Stabilizes pelvis during walking
Depresses the ribs

A

Rectus abdominis

19
Q

Innervated by subcostal nerve

A

Pyramidalis

20
Q

Innervated by thoracoabdominal nerve

A

Rectus abdominis

21
Q

Supplied by branches of inferior epigastric artery

A

Pyramidalis

Abdomen (5 decks)

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