Muscles of the Trunk PPT

April 25, 2012 | By | Reply More

Muscles of the Trunk PPT

Power point presentation
subject – anatomy
size –
  • External  intercostal.
  • Internal intercostal.
  • Innermost intercostal
  • diaphragm.
  • Levator costarum.
  • Serratus posterior superior.
  • Serratus posterior inferior.

External  Intercostal Muscles


The inferior  border of the rib above.


The muscle  fibers are directed downwards, forwards and  medially to be inserted into the superior  border of the rib below.

    Nerve Supply:

Intercostal  nerves.


With fixation  of the first rib, they pull the ribs  upwards, so they are muscles of inspiration.

Category: Medical, Powerpoint

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