Who am I?
I draw the ribs inferiorly, assisting in exhalation.
I am located in the spaces between the ribs.
Who am I?
I am internal intercostals.
I assist in exhalation
Summary
Location: space between the ribs
Origin: Inferior border of the rib above
Insertion: Superior border of the rib below
Nerve: thoracic / intercostal nerves
Action: Draw the ribs inferiorly (decreasing the space of the thoracic cavity) to assist with exhalation
function: assists with exhalation
common problems when chronically tight: kyphosis and depressed chest