The shoulder bones are the protagonists of important joints, including for example the scapulohumeral joint; moreover, they host origins and terminal insertions of important muscles of the shoulder, arm, neck, chest and back.
Predominantly flat and triangular in shape, the scapula is an even bone of the trunk, located posterolateral to the rib cage, which is articulated both with the clavicle and with the humerus.
Located just above the 1st rib and having a horizontal orientation, the clavicle is an S-shaped paired trunk bone extending from the sternum to the acromion of the scapula.
Belonging to the category of long bones, the "humerus is the" even bone of the human body that constitutes the skeleton of the arm, where by arm s "means the anatomical section of the human body between shoulder and elbow.
.jpg)
