Courtesy: Prof Nabile Ebraheim, University of Toledo, Ohio, USA
ORIGIN: posterior tubercle of transverse processes of C1- C4
INSERTION: superior part of medial border of scapula
INNERVATION: dorsal scapular nerve (C5) + cervical nerve (c3,c4)
FUNCTION: elevates the scapula and tilts the glenoid cavity inferiorly by rotating the scapula.
Synergists are rhomboids major , rhomboids minor & trapezius
Leave a Reply