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axial muscles > abdominal wall > Flashcards

abdominal wall Flashcards

1
Q

RECTUS ABDOMINIS

A

Superior: xyphoid process & costal cartilages
Inferior: pubic crest
BA: trunk flexion
ventral rami spinal nerves

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2
Q

EXTERNAL OBLIQUE ABDOMINAL

A 
outer surface lower 8 ribs 
iliac crest & linea alba
UA: contralateral trunk rotation
BA: trunk flexion
ventral rami spinal  nerves
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3
Q

INTERNAL OBLIQUE ABDOMINAL

A 
inguinal lgament, iliac crest, TL fascia
lower ribs & costal cartilages & linea alba
UA: ipsilateral trunk rotation
BA: trunk flexion
ventral rami spinal  nerves
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4
Q

TRANSVERSE ABDOMINAL

A

TL fascia, lower ribs, ant iliac crest & inguinal ligament
linea alba & pubic crest
BA: stabilise trunk, increase intra-abdominal pressure
ventral rami spinal nerves

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5
Q

QUADRATUS LUMBORUM

A 
iliac crest
12th rib & lumbar transverse processes
BA: stabilise lumbar spine
UA: ipsilateral lateral flexion
ventral rami spinal  nerves
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axial muscles (12 decks)

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