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Gross Anatomy Exam 3 > Principal Muscles of Anterolateral Abdominal Wall > Flashcards

Principal Muscles of Anterolateral Abdominal Wall Flashcards

0
Q

Insertion of External Oblique

A

Linea Abla
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)

Subcostal Nerve

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3
Q

Action 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 Inguinal Ligament

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5
Q

Insertion of Internal Oblique

A

Inferior border 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)

Subcostal and First Lumbar Nerve

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7
Q

Action of Internal Oblique

A

Compress and Support Abdominal Viscera

Flex and Rotate Trunk

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8
Q

Origin of Transverse Abdominis

A

Internal surfaces of 7th-12th Costal Cartilages
Thoracolumbar Fascia
Iliac Crest
Connective tissue deep to Inguinal Ligament

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9
Q

Insertion of Transverse Abdominis

A

Linea Alba with aponeurosis of Internal Oblique
Pubic Crest
Pubis via Conjoint Tendon

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10
Q

Innervation of Transverse Abdominis

A

Thoraco-abdominal Nerves (Anterior Rami of T7-T11)

Subcostal and First Lumbar Nerve

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11
Q

Action of Transverse Abdominis

A

Compresses and supports Abdominal Viscera

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12
Q

Origin of Rectus Abdominis

A

Pubic Symphysis

Pubic Crest

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13
Q

Insertion of Rectus Abdominis

A

Xiphoid process

5th-7th Costal Cartilages

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14
Q

Innervation of Rectus Abdominis

A

Thoraco-abdominal and Subcostal nerves (Anterior Rami of T7-T12 Spinal Nerves)

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15
Q

Action of Rectus Abdominis

A 
Flexes Trunk (Lumbar Vertebra)
Compresses Abdominal Viscera
Stabilizes and control tilt of Pelvis (Antilordosis)

Gross Anatomy Exam 3 (5 decks)

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