Ball and socket joints also allow types of movement called abduction, adduction, rotation and circumduction. Abduction – movement away from the midline of the body. This occurs at the hip and ...

The articular capsule prevents wear and tear on the bones. The bones in a synovial joint are connected by ligaments, which: are a type of connective tissue and are tough, fibrous and slightly ...

Psoriatic arthritis is a long-term inflammatory disease that happens when your immune system attacks your joints and ... appear on your body depends on which of the five types of psoriatic arthrit ...