Anterolateral Abdominal Wall Flashcards by Zach Thornton | Brainscape

Q

Bony landmarks

A

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Q

Function of anterolateral wall muscles

A

–Mechanically support abdominal viscera

–Stretch to accommodate changes in cavity volume

–Compress cavity to assist in expiration, coughing, evacuation

–Flex/rotate/ lat. bend trunk

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Q

A

Rectus abdominus

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Q

Rectus abdominus attachments and innervation

A

Prox: Pubic tubercle & symphysis

Dist: 5-7th cost. cart., xiphoid

Inn: vent. ramiof T7-T12

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Q

A

External oblique muscles

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Q

External oblique muscles attachment and innervation

A

Prox: 5th-12thribs

Dist: lineaalba, pubic tubercle, iliac crest

Inn: vent. ramiof T7-T12

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Q

A

Internal oblique muscles

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Q

Internal oblique muscles attachments and innervation

A

Prox: TL fascia, iliac crest

Dist: 10th-12thribs, lineaalba, pubic tubercle

Inn: vent. rami of T7-T12, iliohypogastic and ilioinguinal NN (L1)

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Q

A

Transversus abdominus m

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Q

Transversus abdominus m attachments and innervation

A

Prox: 7th-12th cost cart, TL fascia, iliac crest

Dist: linea alba, pubic crest, pectin pubis

Inn: vent rami of T7-T12, iliohypogastic and ilioinguinal NN (L1)

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Q

Rectus sheath at or above umbilicus

A

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Q

Rectus sheath below umbilicus (arcuate line)

A

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Q

Contents of rectus sheath

A

RectusabdominisM
Sup/InfepigastricA/V
Vent ramiof T7-T12

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Dermatomes:

levelof xiphoid process
umbilicus
pubic symphysis

A

T6: levelof xiphoid process
T10: umbilicus
L1: pubic symphysis

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Paraumbilical vein at umbilicus

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Inguinal region attachments

A

Extends from ant sup iliac spine to pubic tubercle

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Cremaster M (surrounding intspermatic fascia)

Q

Spermatic cord contents

A

–Vas (ductus) deferens

–Testicular A

–Pampiniform venous plexus

–IlioinguinalN (L1)

–Genitofemoral N (L1-L2) (Innervates cremaster M)

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Q

Female inguinal canal contents

A

Round ligament of uterus

Q

A