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Anatomy Of The Thorax, Abdomin, & Pelvis > Principal Muscles Of Anterolateral Abdominal Wall > Flashcards

Principal Muscles Of Anterolateral Abdominal Wall Flashcards

0
Q

Insertion of external oblique

A

Linea alba
Pubic tubercle
Anterior half of iliac crest

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1
Q

Origin of external oblique

A

External surfaces of 5th-12th ribs

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2
Q

Innervation of external oblique

A

Thoraco-abdominal nerves (anterior rami of T7-T11) and subcostal nerve

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3
Q

Actions of external oblique

A

Compress and support abdominal viscera

Flex and rotate trunk

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4
Q

Origin of internal oblique

A

Thoracolumbar fascia
Anterior two-thirds of iliac crest
Connective tissue deep to the inguinal ligament

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5
Q

Insertion of internal oblique

A

Inferior borders of 10th-12th ribs
Linea alba
Pubis via conjoint tendon

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6
Q

Innervation of internal oblique

A

Thoraco-abdominal nerves (anterior rami of T7-T11) and first lumbar nerve

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7
Q

Actions of internal oblique

A

Compress and support abdominal viscera

Flex and rotate trunk

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8
Q

Origin of transversus abdominis

A

Internal surfaces of 7th-12th costal cartilages
Thoracolumbar fascia
Iliac crest
Connective tissue deep to the inguinal ligament

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9
Q

Insertion of the transversus abdominis

A

Linda alba with aponeurosis of internal oblique
Pubic crest
Pectin pubis via conjoint tendon

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10
Q

Innervation of transversus abdominis

A

Thoraco-abdominal nerves (anterior rami of T7-T11) and first lumbar nerve

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11
Q

Actions of transversus abdominis

A

Compresses and supports abdominal viscera

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12
Q

Origin of rectus abdominis

A

Pubic symphysis and public crest

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13
Q

Insertion of rectus abdominis

A

Xiphoid process and 5th-7th costal cartilages

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14
Q

Innervation of rectus abdominis

A

Thoraco-abdominal nerves (anterior rami of inferior 6 thoracic nerves)

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15
Q

Actions of rectus abdominis

A 
Flexes trunk (lumbar vertebrae) and compresses abdominal viscera
Stabilizes and controls tilt of pelvis (antilordosis)

Anatomy Of The Thorax, Abdomin, & Pelvis (3 decks)

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