Hitchhiker’s thumb is when your thumb is very flexible and can bend backward, sometimes up to 90 degrees. Learn more about what causes it, what conditions are associated with it, and more.

The condition stems from hyper-flexible ligaments in the thumb joint that allow for this extended range of motion. For most people, it’s completely harmless and simply an interesting quirk of ...

A thumb brace or splint supports your joint by limiting movement and resting the joint. Most people only need to wear the brace at night, but others may benefit from wearing one for longer periods.

Trapeziometacarpal joint The prime example of a saddle joint is the trapeziometacarpal joint at the base of your thumb. It connects the trapezium and the metacarpal bone of your thumb.

This wrist bone gives the thumb both motion and stability The trapezium bone is one of eight small bones that make up the wrist joint. It is also known as the greater multangular bone. The ...

Osteoarthritis in the thumb is the most common form of arthritis that affects the hands. Osteoarthritis results from the breakdown of joint cartilage and the underlying bone. It can affect the ...

SPECIAL FOCUS: BACK AND JOINT HEALTH BALTIMORE — We’ve all heard of arthritis in the knees and even the hips. But many people may not know the thumb is prone to the joint disease as well.

He can flex his thumb without pain and is delighted with the results. ‘My first thought when the joint fused was how I could do my card and coin tricks,’ he says.

A thumb joint made from the same material as missile nose-cones is offering the hope of pain relief and restored mobility for arthritis sufferers. The implant, which is smaller than a 5p coin, is ...

You could be suffering from basilar thumb joint arthritis. "Patients will typically complain, for example, in opening a jar, turning a key, opening a doorknob will cause pain," says Dr. Kakar. In a ...

The carpometacarpal (CMC) joint is where the metacarpal meets the carpal, or wrist, bones. This joint allows people to the thumb away from and towards the hand.