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*** Muscles *** > Abdominal > Flashcards

Abdominal Flashcards

1
Q

External oblique

Origin (proximal attachment)

A

External surfaces of 5th to 12th ribs

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2
Q

External oblique

Insertion (distal attachment)

A

Linea alba, pubic tubercle, and anterior half of iliac crest

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3
Q

External oblique

Innervation

A

Inferior six thoracic nerves and subcostal nerve

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4
Q

External oblique

Main actions

A

Compresses and supports abdominal viscera

Flexes and rotates trunk

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5
Q

Internal oblique

Origin (proximal attachment)

A

Thoracolumbar fascia, anterior 2/3 of iliac crest, and lateral 1/2 of inguinal ligament

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6
Q

Internal oblique

Insertion (distal attachment)

A

Inferior boarders of 10th to 122th ribs, linea alba, and pubis via conjoint tendon

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7
Q

Internal oblique

Innervation

A

Anterior rami of inferior 6 thoracic nerves and 1st lumbar nerve

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8
Q

Internal oblique

Main actions

A

Compresses and supports abdominal viscera

Flexes and rotates trunk

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9
Q

Transversus abdominis

Origin (proximal attachment)

A

Internal surfaces of costal cartilages 7-12, thoracolumbar fascia, iliac crest, and lateral 1/3 of inguinal ligament

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10
Q

Transversus abdominis

Insertion (distal attachment)

A

Linea alba with aponeurosis of internal oblique, pubic crest, and pecten pubis via conjoint tendon

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11
Q

Transversus abdominis

Innervation

A

Anterior rami of inferior 6 thoracic nerves and 1st lumbar nerve

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12
Q

Transversus abdominis

Main actions

A

Compresses and supports abdominal viscera

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13
Q

Rectus abdominis

Origin (proximal attachment)

A

Pubic symphysis and pubic crest

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14
Q

Rectus abdominis

Insertion (distal attachment)

A

Xiphoid process and costal cartilages 5-7

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15
Q

Rectus abdominis

Innervation

A

Anterior rami of inferior 6 thoracic nerves

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16
Q

Rectus abdominis

Main actions

A

Compresses abdominal viscera and flexes trunk

*** Muscles *** (9 decks)

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