thumb arthritis

Is The Carpometacarpal Joint Of The Thumb A Hinge Joint?

by

Is The Carpometacarpal Joint Of The Thumb A Hinge Joint? Saddle joints are functionally classified as biaxial joints. The primary example is the first carpometacarpal joint, between the trapezium (a carpal bone) and the first metacarpal bone at the base of the thumb. This joint provides the thumb the ability to move away from the

Why Are My Thumbs Swollen?

by

Why Are My Thumbs Swollen? Thumb arthritis is common as we age. In most cases, it’s osteoarthritis — the age-related breakdown of joint tissue — that causes a swollen thumb joint, especially at the lowest joint (called the basal joint). It can also be caused by reactive arthritis, which is triggered by an infection in