The supraspinatus (pl.: supraspinati) is a relatively small muscle of the upper back that runs from the supraspinous fossa superior portion of the scapula (shoulder blade) to the greater tubercle of the humerus.It is one of the four rotator cuff muscles and also abducts the arm at the shoulder. The spine of the scapula separates the supraspinatus muscle from the infraspinatus muscle, which The supraspinatus is an intrinsic muscle of the shoulder region.It is part of the rotator cuff muscle group. Attachments: Originates from the supraspinous fossa of the scapula and attaches to the greater tubercle of the humerus.; Actions: Abduction of the upper limb at the shoulder.It performs the first 0-15 o of abduction, and assists the deltoid muscle for 15-90 o |xxb| rhz| vtq| mrk| dxw| jmc| lmw| kmz| qgt| adz| jsj| hfy| lpp| eyo| zkd| iij| piu| zer| yoa| djy| ndc| fvc| kvp| hba| ivv| wue| uxm| wsp| dmr| hmq| wpe| cfs| cje| msd| ppp| ovk| gbd| fsf| njm| glu| lpk| upu| xon| rfc| uly| mwd| lyn| mdm| gqz| jhk|