Final answer:
Adhesive capsulitis, known as frozen shoulder, is characterized by pain, stiffness, and reduced mobility in the shoulder joint.
Step-by-step explanation:
Adhesive capsulitis, also known as frozen shoulder, is a shoulder condition characterized by stiffness of the shoulder, limited shoulder movement, and pain. This condition often arises following an inflammatory response to a shoulder injury, which can lead to scar tissue formation between the articular capsule and surrounding structures. Notably, the shoulder joint is a ball-and-socket joint, which normally allows for a wide range of motion due to its loose articular capsule supported by ligaments and the rotator cuff muscles. However, adhesive capsulitis restricts this mobility and causes discomfort.