As your cartilage wears away, you lose the cushion for your bones. This can cause a lot of pain and damage to your thumb joint. You may stop using your thumb the same way you used to without ...

Unlike your fingers, which have three bones (phalanges), your thumb ... the knuckle and extends to the base of your thumb. There is only one joint in your thumb. Some people with hitchhiker ...

The thumb is one of five digits on each hand, but it has a different shape and function from the other digits. However, most medical guides refer to the thumb as a finger. Also known as the pollex ...

Cartilage acts as a cushion to reduce the friction between the bones in the joint. Aging and the ongoing use of the thumb and its linked joint may cause the natural wear of the cartilage and the ...

Terms like tech neck and texting thumb are no longer simply buzzwords; they are actual medical disorders that are affecting ...

“You want the joint to bear weight because that ... one of eight small carpal bones in the wrist. (Stick out your thumb hitchhiker style: The scaphoid is under that little divot at the base ...

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 ...

The researchers placed landmarks on the bones' surfaces, measuring whether a change in one side of the joint — at the base of the thumb — matched the other side. Doing so could reveal "which ...