Rotator cuff injuries are one of the main causes of shoulder pain, affecting the mobility and quality of life of many people. These injuries particularly affect workers performing repetitive movements or intensely using their shoulders, such as in industry, construction, or healthcare services. The rotator cuff is a group of four muscles and their tendons that surround the shoulder joint. It plays a crucial role in the stability and mobility of the shoulder, allowing a wide range of movements such as lifting the arm, rotating it, or holding it in position. Injuries can range from inflammation (tendinitis) to partial or complete tears of the tendons. These injuries are often the result of overuse and repetitive movements. While muscle strengthening, training in proper movements and postures, and ergonomic workplace adjustments are recommended to prevent the risk of rotator cuff musculoskeletal disorders, they sometimes prove insufficient. Upper limb exoskeletons dedicated to the shoulders and arms provide an effective solution to prevent their occurrence or worsening. Specifically designed to redistribute weight and loads to the hips and legs, they allow: