Saw toothed.
Any of several muscles with saw-like processes, especially serratus anterior, muscle between the ribs and shoulder blade involved in shoulder and arm movement, particularly pushing-type motions.
Any of several muscles arising from or inserted by a series of processes that resemble the teeth of a saw. An example is the serratus anterior, a muscle situated between the ribs and shoulder blade in the upper and lateral parts of the thorax. It is the chief muscle responsible for pushing and punching movements.