Superior view, right side (photo credit - Paula Stacey, Fall 2008)

Posterior view, right side Posterior view of origin, right side
Anterior view of insertion, right side

 Human information:
supraspinatus (rotator cuff)
origin:  medial 66.7% of supraspinous fossa
        of scapula
insertion:  greater tubercle of humerus and
        capsule of shoulder joint
nerve:  suprascapular (C5 and C6)
action:  abduction of arm

This is one of the four rotator cuff muscles.  It is the only rotator cuff muscle that is an abductor of the arm.  The above drawings of the origin and insertion might help visualize this information (red is the origin, blue the insertion).

COPYRIGHT 2008 by William C. Johnson II
ALL RIGHTS RESERVED!