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40 Cards in this Set

  • Front
  • Back
External Intercostal
origin
Inferior margin of superior rib
External Intercostal
insertion
Superior margin of inferior rib
External Intercostal
innervation
Intercostal nerves
External Intercostal
action
Elevate ribs, stabilize intercostal space
Internal Intercostal
origin
Inferior margin of superior rib
Internal Intercostal
insertion
Superior margin of inferior rib
Internal Intercostal
innervation
Intercostal nerves
Internal Intercostal
action
Depress ribs, stabilize intercostal space
Innermost Intercostal
origin
Inferior margin of superior rib
Innermost Intercostal
insertion
Superior margin of inferior rib
Innermost Intercostal
innervation
Intercostal nerves
Innermost Intercostal
action
Depress ribs, stabilize intercostal space (same as internal intercostal)
Subcostal
origin
Internal surface of rib (near angle)
Subcostal
insertion
Internal surface of 2nd-3rd rib inferior
Subcostal
innervation
Intercostal nerves
Subcostal
action
Depress ribs
Transverse Thoracis
origin
Internal surfaces of superior ribs
Transverse Thoracis
insertion
Internal surfaces of inferior sternum, adjacent costal cartilages
Transverse Thoracis
innervation
Intercostal nerves
Transverse Thoracis
action
Depress costal cartilages
Diaphram
origin
Margin of inferior thoracic aperture.

Crura attach to superior lumbar vertebrae
Diaphram
insertion
Central tendon of diaphram
Diaphram
innervation
Left and right phrenic nerves to respective domes (c3-c5)
"c3-4-5 keep the diaphram alive
Diaphram
action
Increase volume of thoracic cavity for inspiration.
External Oblique
origin
Outer surfaces of lower eight ribs
External Oblique
insertion
Iliac crest (lateral lip)
Linea alba
External Oblique
innervation
Anterior rami of thoracic spinal nerves
External Oblique
action
Unilateral: bends trunk to same side (turning anterior part of abdomen to opposite side)
Bilateral: flex trunk
Internal Oblique
origin
Iliac crest
Inguinal ligament
Internal Oblique
insertion
Lower 3-4 ribs
Linea alba
Internal Oblique
innervation
Anterior rami of Lower thoracic and L1 spine nerves
Internal Oblique
action
Unilateral: bends trunk to same side (turning anterior part of abdomen to same side)
Bilateral: flex trunk
Transversus Abdominis
origin
Iliac crest
Inguinal ligament
Transversus Abdominis
insertion
Pubic crest
Pectineal line
Linea alba
Transversus Abdominis
innervation
Anterior rami of lower thoracic and L1 spinal nerves
Transversus Abdominis
action
Compress abdominal contents
Rectus Abdominis
origin
Pubic crest
Pubic tubercle
Pubic symphysis
Rectus Abdominis
insertion
Costal cartilages of 5th -7th ribs
Rectus Abdominis
innervation
Anterior rami of Lower thoracic
Rectus Abdominis
action
Flexes vertebral column
Tenses abdominal wall