The trapezius is a broad, flat muscle covering the upper back. It is named for the trapezoid shape that these paired muscles create. It has three major sections that originate on the axial skeleton and insert on the pectoral girdle, making it an extrinsic back muscle. Each of its sections has a distinctive function and …
Rhomboid Muscles The rhomboids attach the upper thoracic and lower cervical vertebrae to the scapula through the ribs and clavicle. The rhomboids, which are usually thought of as retracting the scapula, are surprisingly active in stabilizing the scapula during abduction and flexion of the humerus. They also retract and stabilize the scapula in labored breathing. …
Overview of the Anatomy of Levator Scalupa. The Levator scapula is a ropy extrinsic back muscle that connects the scapula to the upper cervical vertebrae through the clavicle, manubrium, first rib, and lower cervical vertebrae. Levator scapula is stretched by Forward-Head Posture, elevating and protracting the scapula. Studies show that there are statistically significant variations …
