Osteoarthritis, the most common type of arthritis, frequently affects the joint at the base of the thumb where it meets the wrist. Known as basal joint arthritis or basal thumb arthritis, this ...

What is basal joint arthritis? Also called basal thumb arthritis, this is arthritis in the basal joint at the base of the thumb. The basal joint is where the metacarpal bone of the thumb meets the ...

The basal joint allows you to move your thumb into the palm of your hand, a motion called opposition. Repetitive motions can weaken the basal joint, wear down the articular cartilage surrounding the ...

Basal joint arthritis, also called arthritis of the thumb, occurs when the joint at the base of your thumb develops arthritis. Arthritis is a disease which attacks or destroys a joint, causing severe ...