Joint Rotator

The rotator cuff, also known as the articulation trochlearis, is one of the most complex and important joints in the human body. It is located in the area of ​​the elbow and connects the radius and ulna, allowing rotation of the forearm.

Anatomically, the rotator cuff consists of two parts: the trochlear fossa on the ulna and the trochlear tubercle on the radius. Both parts are covered with cartilage, which helps reduce friction between them and allows for smoother movement. In addition, the joint is surrounded by a capsule and ligaments that maintain its stability and prevent unnecessary movement.

The rotator cuff plays an important role in a person's daily life, since without it it would be impossible to perform many hand movements, such as twisting the lid of a jar or twisting a door handle. Additionally, it is especially important for athletes who depend on its functioning to perform activities such as throwing a ball or hitting a boxing shot.

However, the rotator cuff is also a vulnerable point in the body and can be susceptible to various injuries. Some of the most common injuries that can occur in this joint include sprained or sprained ligaments, cartilage damage, and various forms of inflammation.

Overall, the rotator cuff is a critical part of the human body that allows for a variety of arm movements and can be susceptible to a variety of injuries. Despite its complexity, it continues to be a studied and important area in medicine and science.