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Clinical Anatomy II > Muscles Of The Abdomen > Flashcards

Muscles Of The Abdomen Flashcards

1
Q

Cremaster muscle Attachment

A

From: the medial edge of the internal oblique
To: spermatic cord

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2
Q

Cremaster muscle action

A

Elevation of testis

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3
Q

Cremaster muscle innervation

A

Genitofemoral nerve

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4
Q

Diaphragm attachments

A

From: xiphoid process, inner surface of the lower ribs & costal cartilage, medial & lateral arcuate ligaments & lumbar vertebrae via the crura
To: the central tendon

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5
Q

Diaphragm actions

A

Inspiration

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6
Q

Diaphragm innervation

A

Phrenic nerve C3-5

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7
Q

External abdominal oblique attachments

A

From: lower 8 ribs
To: iliac crest & rectus sheath

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8
Q

External abdominal oblique actions

A

flexion & rotation of the trunk
Compression of the abdominal cavity

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9
Q

External abdominal oblique innervation

A

ventral rami T7-12

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10
Q

Internal abdominal oblique attachments

A

From: thoracolumbar fascia
To: inguinal ligament, iliac crest, & rectus sheath

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11
Q

Internal abdominal oblique actions

A

flexion & rotation of the trunk
compression of the abdominal cavity

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12
Q

Internal abdominal oblique innervation

A

lower thoracic & L1 ventral rami T7-12, L1, iliohypogastric and ilioinguinal, ventral rami

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13
Q

Quadratus lumborum attachments

A

From: 12th rib & transverse process of L1-L4
To: iliolumbar ligament & iliac crest

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14
Q

Quadratus lumborum actions

A

extension & lateral flexion of the trunk
fixes 12th rib during respiration

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15
Q

Quadratus lumborum innervation

A

Lumbar plexus ventral rami T12-L3

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16
Q

Rectus abdominis attachments

A

From: xiphoid process & adjacent costal cartilages of ribs 5-7
To: pubic crest & tubercle (symphysis)

17
Q

Rectus abdominis actions

A

flexion of trunk
compression of abdominal cavity

18
Q

Rectus abdominis innervation

A

lower thoracic ventral rami T5-12

19
Q

Transversus abdominis attachments

A

From: lower six costal cartilages & thoracolumbar fascia
To: inguinal ligament, iliac crest & rectus sheath

20
Q

Transversus abdominis actions

A

compression of the abdominal cavity

21
Q

Transversus abdominis innervation

A

lower thoracic T7-12, ventral divisions

Clinical Anatomy II (14 decks)

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