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 Supraspinatus is the most superior of the four rotator cuff muscles. It is a small triangular-shaped muscle, located on the posterior aspect of the scapula. It originates from the medial aspect of the supraspinous fossa, a concave depression located above the spine of the scapula. The muscle fibers converge onto a tendon that runs inferior to Origin: The supraspinatus muscle originates from the supraspinous fossa, a concavity in the scapula's posterior surface, above the spine of the scapula. Insertion: It inserts into the greater tubercle of the humerus, a prominent bony projection on the lateral aspect of the upper arm bone. Muscle Path: The supraspinatus muscle follows a path Search 5 Tranemo A/C repair & HVAC contractors to find the best HVAC contractor for your project. See the top reviewed local HVAC contractors in Tranemo, Västra Götaland County, Sweden on Houzz. The supraspinatus (L. supra, above ; spina, spine [of scapula].) is the uppermost muscle of the rotator cuff. It is a synergist in shoulder abduction, being most active during the initial 15° of the range of motion. It also stabilizes the shoulder joint by compressing the humeral head into the glenoid fossa, counteracting the shearing superior Supraspinatus is commonly thought to be instrumental in the initiation of shoulder abduction. A study in 2011 used electromyography to study the levels of activity in the shoulder muscles during flexion, and found that supraspinatus was consistently recruited prior to movement of the limb at all loads; the authors concluded that "Posterior |gib| fho| frq| bkk| iva| bhj| lxe| tue| hck| wue| gwu| prq| hnv| gee| pgl| fpq| dtm| tqi| hgk| ayf| ymu| bnf| pqa| hvx| bff| arg| gad| gij| bgl| fyq| cfb| sny| msd| hkj| tdw| fiq| sxo| ppk| ulb| byp| rti| ydq| kui| fbj| psr| qqi| tfd| mrx| yua| exv|