The , commonly known as the shoulder joint or glenohumeral joint , is a ball-and-socket synovial joint that connects the upper limb to the axial skeleton. It is the most mobile joint in the human body, allowing for a vast range of motion across multiple planes. Anatomical Structure
: A fibrocartilaginous rim that attaches to the margin of the glenoid cavity , deepening the socket to provide extra stability . Ligaments and Support articulatio humeri
The joint is reinforced by several key ligaments and a fibrous capsule: Anatomy, Shoulder and Upper Limb, Glenohumeral Joint - NCBI The , commonly known as the shoulder joint
: The shallow, pear-shaped socket on the lateral angle of the scapula (shoulder blade). Ligaments and Support The joint is reinforced by
The joint is formed by the articulation between two primary bony surfaces: : The large, hemispherical head of the humerus .