Learn about the shoulder joint complex, including its articular surfaces and ligaments, and understand its anatomy and clinical significance. Shoulder joint movements are crucial for maintaining shoulder health, preventing injuries, and creating effective training plans. The shoulder joint , a marvel of human anatomy, is a complex articulation that enables a vast range of motion. As one of the most mobile joints in the body, it plays a pivotal role in our daily lives, from simple tasks like reaching for a book to complex athletic movements. Composed of a ball-and-socket joint , the shoulder is stabilized by a network of ligaments ... Introduction The shoulder , or glenohumeral joint , connects the upper arm to the chest. It provides articulation between the glenoid fossa of the scapula and the head of the humerus. These articulating surfaces are separated by a narrow cavity filled with synovial fluid, making it a synovial joint . The shoulder joint is an example of a ball and socket joint , which is highly mobile due to the minimal contact between its two articulation points, allowing for a wide range of movement. This extra ... Learn about the shoulder joint , a synovial ball-and-socket joint that allows the most mobility of the human body. Find out its structure, spaces, capsule, bursae, muscles, ligaments, innervation and blood supply.