The base of our thumb may be just a small part of our hand, but we rely on it more than we think. Arthritis in that area can have large consequences, often making simple actions such as picking up an ...

Hitchhiker’s thumb is a thumb that’s hypermobile, or very flexible, and able to bend backward beyond the normal range of motion. Known formally as distal hyperextensibility, this condition isn’t ...

Remember that your finger joints can get hurt if used too much or due to arthritis. If your finger joints hurt or you can't move them, see a healthcare provider to prevent more damage. You can help ...

When you give a thumbs-up and notice your digit bends backward at an unusually dramatic angle, you’re witnessing what medical professionals call “distal hyperextensibility” — though most people know ...