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Clinical Anatomy 2 - Abdomen > Muscles of Abdomen - Muscle Information > Flashcards

Muscles of Abdomen - Muscle Information Flashcards

1
Q

Cremaster - Attachments

A

FROM
*the medial edge of the internal oblique

TO
*spermatic cord

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2
Q

Diaphragm - Attachments

A

FROM
*xiphoid process
*inner surface of the lower ribs & costal cartilages
*medial & lateral arcuate ligaments
*lumbar vertebrae via the crura

TO
*the central tendon

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3
Q

External abdominal oblique (anterior & lateral fibers) - Attachment

A

FROM
*lower 8 ribs

TO
*iliac crest
*rectus sheath

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4
Q

Internal abdominal oblique (lower anterior, upper anterior, & lateral fibers) - Attachments

A

FROM
*thoracolumbar fascia

TO
*inguinal ligament
*iliac crest
*rectus sheath

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5
Q

Quadratus lumborum - Attachments

A

FROM
*12th rib
*transverse processes of L1-4

TO
*iliolumbar ligament
*iliac crest

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6
Q

Rectus abdominis - Attachments

A

FROM
*xiphoid process
*adjacent costal cartilages of ribs 5-7

TO
*pubic crest & tubercle (symphysis)

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7
Q

Transversus abdominis - Attachments

A

FROM
*lower six costal cartilages
*thoracolumbar fascia

TO
*inguinal ligament
*iliac crest
*rectus sheath

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8
Q

Cremaster - Actions and Innervation

A

actions- elevation of testis
innervation- genitofemoral nerve

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9
Q

Diaphragm - Actions and Innervation

A

actions- inspiration (negative thoracic pressure by inferior displacement)
innervation- phrenic nerve C3-5

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10
Q

External abdominal oblique (anterior & lateral fibers) - Actions and Innervation

A

actions- flexion & rotation of the trunk, & compression of the abdominal cavity
innervation- ventral rami T7-12

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11
Q

Internal abdominal oblique - Actions and Innervation

A

actions- flexion & rotation of the trunk, & compression of the abdominal cavity
innervation- lower thoracic & L1 ventral rami T7-12, L1, iliohypogastric and ilioinguinal, ventral rami

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12
Q

Quadratus Lumborum - Actions and Innervation

A

actions- extension & lateral flexion of the trunk, and fixes 12th rib during respiration
innervation- Lumbar plexus ventral rami T12-L3

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13
Q

Rectus abdominis - Actions and Innervation

A

actions- flexion of trunk & compression of abdominal cavity
innervation- lower thoracic ventral rami T5-12

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14
Q

Transversus abdominis - Actions and Innervation

A

actions- compression of the abdominal cavity
innervation- lower thoracic T7-12, ventral divisions

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Clinical Anatomy 2 - Abdomen (2 decks)

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