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Supraspinatus Muscle  Function & Trigger Points

27/4/2018

 
The supraspinatus is a relatively small muscle of the upper back that runs from the supraspinatus 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 therefore helps to stabilize the glenohumeral joint, it also abducts the arm at the shoulder. The spine of the scapula separates the supraspinatus muscle from the infraspinatus muscle, which originates below the spine.
Structure
The supraspinatus muscle arises from the supraspinous fossa, a shallow depression in the body of the scapula above its spine. The supraspinatus tendon passes laterally beneath the cover of the acromion. The supraspinatus tendon is inserted into the superior facet of the greater tubercle of the humerus. The distal attachments of the three rotator cuff muscles that insert into the greater tubercle of the humerus can be abbreviated as SIT when viewed from superior to inferior (for supraspinatus, infraspinatus, and teres minor), or SITS when the subscapularis muscle, which attaches to the lesser tubercle of the humerus, is included.

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  • Home
  • Workshops
    • Thoracic Outlet Syndrome Study Module Details
    • Frozen Shoulder (Adhesive Capsulitis) Study Module Details
    • Plantar Fasciitis Study Module Details
    • Carpal Tunnel Syndrome Study Module Details
    • Patellofemoral pain syndrome Study Module Details
    • Headaches Study Module Details
    • Whiplash Study Module Details
  • Contact Us
  • Policies
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