Supraspinatus, a muscle that runs from the scapula to the inside of the humerus, separated from the infraspinatus by the spine of the scapula. (fitnessandpower.com)
The upper fibers of the large trapezius of the upper back run all along the posterior base of the skull and the cervical vertebrae of the neck, attaching to the lateral part of the clavicle and along the spine of the scapula. (fitnessandpower.com)
The middle fibers of the trapezius begin on the upper thoracic vertebrae and run to the spine of the scapula. (fitnessandpower.com)