Medically reviewed by Laura Campedelli, DPTFinger pain has many possible causes. The most common are accidental injuries, ...

If your thumb’s tip extends back toward your knuckle more than 50 degrees, you may have hitchhiker’s thumb. The nickname replaces its more technical moniker, distal hyperextinsibility, which is a ...

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 ...

A 1953 study done at Johns Hopkins University, one of the first to ... hitchhiker’s thumb is part of widespread hypermobility, it can increase chances of developing joint pain, arthritis ...