NCIt definition : A muscle in the back that originates from the spinous processes of the second to fifth
thoracic vertebrae and attaches to the medial border of the scapula; along with the
rhomboid minor muscle, it functions to stabilize and retract the scapula.;
Alternative definition : CDISC: A muscle of the back, in general extending from the spinous processes of the
second to fifth thoracic vertebrae to the medial border of the scapula; primary function
is to stabilize and retract the scapula.;