3 inches
The vertebral region is medial to the scapula.
It is inserted into the medial border of the scapula, between the superior angle and the triangular smooth surface at the apex of the spine. THE MUSCLES CONNECTING THE UPPER LIMB WITH THE VERTEBRAL COLUMN.
The medial border of the scapula is at the medial end of the spine of the scapula. This border is also called the vertebral border.
The acromion process is on the scapula.
The joint between the lateral end of the clavicle and the acromion process of the scapula is the acromioclavicular joint. This joint is sometimes abbreviated "AC joint."
Posterioly there are the Rhomboideus major and minor and levator scapula. While anteriorly is the upper three digitations of serratus anterior.
The superior and medial borders of the scapula meet at the superior angle. This area is covered by the trapezius.
The rhomboid major originates on the spinous processes of the second to fifth thoracic border and inserts on the medial border of the scapula. It retracts the scapula.
Muscles that attach to the scapula are:The Pectoralis minor.The coracobrachialis.The short head of biceps brachii.
scapula
The bicep brachii originates on the scapula. As the "bi" prefix of it's name suggests, it has two heads. One originates from the coracoid process of the scapula, and the other from the supraglenoid tubercle of the scapula.
Coracoid process!