Scapula: Learn about the scapula

Learn about the scapula , a triangular bone that forms part of your shoulder joint and connects your arm to your trunk. Find out how it works, what can go wrong and how to keep it healthy. The scapula , commonly known as the shoulder blade, is a flat, triangular-shaped bone that provides a vital part of the shoulder girdle. It serves as an attachment site for several muscles that facilitate the shoulder's complex movements. Structurally, it features a body, two processes (the acromion and the coracoid process), and a glenoid cavity, which articulates with the humerus to form the shoulder joint. The scapula , also called the shoulder blade, is a relatively large, flat, triangular-shaped shoulder girdle bone. It is found in the upper thoracic region at the back of the trunk lying posterior to the thoracic cage. The scapula directly articulates with the humerus and clavicle, forming the glenohumeral (shoulder) joint and acromioclavicular joint. The scapula serves as an attachment site for many muscles that form the shoulder and arm. The intrinsic muscles attached to the scapula include ... The scapula is also known as the shoulder blade. It articulates with the humerus at the glenohumeral joint, and with the clavicle at the acromioclavicular joint. In doing so, the scapula connects the upper limb to the trunk.