Abdominal Muscles Flashcards

1
Q

What is the origin of the Rectus Abdominis?

A

Pubic symphysis of the pelvis

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2
Q

What is the insertion of the Rectus Abdominis?

A

Ribs 5-7

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3
Q

What innervates the Rectus Abdominis?

A

Intercostal nerve T7–T12

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4
Q

What is the origin of the External Oblique?

A

External surface of ribs 4–12

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5
Q

What is the insertion of the External Oblique?

A

Anterior iliac crest of the pelvis, linea alba, and contralateral rectus sheaths

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6
Q

What innervates the External Oblique?

A

Intercostal nerves (T8–T12), iliohypogastric (L1), and ilioinguinal (L1)

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7
Q

What is the origin of the Internal Oblique?

A

Anterior two-thirds of the iliac crest of the pelvis and thoracolumbar fascia

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8
Q

What is the insertion of the Internal Oblique?

A

Ribs 9–12, linea alba, and contralateral rectus sheaths

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9
Q

What innervates the Internal Oblique?

A

Intercostal nerves (T8–T12), iliohypogastric (L1), and ilioinguinal (L1)

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10
Q

What is the origin of the Transverse Abdominis?

A

Ribs 7–12, anterior two-thirds of the iliac crest of the pelvis, and thoracolumbar fascia

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11
Q

What is the insertion of the Transverse Abdominis?

A

Linea alba and contralateral rectus sheaths

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12
Q

What innervates the Transverse Abdominis?

A

Intercostal nerves (T7–T12), iliohypogastric (L1), and ilioinguinal (L1)

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13
Q

What is the origin of the Diaphragm?

A

Ribs 6-12, Posterior side of xiphoid process, quadratus lumborum, psoas major

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14
Q

What is the insertion of the Diaphragm?

A

Central Tendon

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15
Q

What innervates the Diaphragm?

A

Phrenic Nerve

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