Joint (anatomy)

≡Description

A joint is a structure that connects two or more bones in the body, allowing movement and flexibility. These structures are fundamental for locomotion and skeletal stability. Joints can be classified into different types based on their structure and function, such as synovial joints, which are the most mobile and are found in the limbs, and fibrous joints, which are more rigid and are found in the skull. The composition of a joint includes cartilage, which cushions impact between bones, and synovial fluid, which lubricates the joint to facilitate movement. Additionally, joints are surrounded by an articular capsule that provides stability and protection. Joint health is crucial for overall well‑being, as its deterioration can lead to conditions such as arthritis, which affects mobility and quality of life. In the field of technology, especially in the development of simulations and animations, the representation of joints is essential to create realistic movements in characters and objects, which requires a deep understanding of their functioning in the real world.