A prospective study by U.K. researchers found that adolescents who are double-jointed-- medically termed joint hypermobility -- are at greater risk for developing musculoskeletal pain as they get ...

When one or more joints bend further than average, it is known as hypermobility of the joints or being “double-jointed.” When hypermobility occurs in the elbows, a person may say they have a ...

People with double-jointed knees have unusual flexibility in their knee joints. This can be a sign of joint hypermobility syndrome. Alongside joint hypermobility syndrome, double-jointed knees may ...