serratus muscles

Definitions of serratus muscles

1. noun

   any of several muscles of the trunk
   synonyms: serratus

   types:

   anterior serratus muscle, musculus serratus anterior, serratus anterior, serratus magnus

   muscles that rotate the scapula and elevate the rib cage

   musculus serratus posterior, posterior serratus muscle, serratus posterior

   skeletal muscle that draws the rib cage backward and downward

   serratus posterior inferior

   a thin quadrilateral muscle at the junction of the thoracic and lumbar regions; acts to counteract the pull of the diaphragm on the ribs to which it is attached

   serratus posterior superior

   a thin quadrilateral muscle of the upper and dorsal part of the thorax; acts to elevate the upper ribs

   type of:

   skeletal muscle, striated muscle

   a muscle that is connected at either or both ends to a bone and so move parts of the skeleton; a muscle that is characterized by transverse stripes