Hitchhiker’s thumb prevalance Hitchhiker’s thumb is understudied, so its prevalence is not fully understood. However, a 2012 study found that 32.3% of a random sample of 310 people had it.

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.

Pain or a lack of movement in the thumb could indicate an underlying health condition, such as arthritis or a sprain or other injury. Exercises, splinting, and medication are some of the treatment ...

Learn about trigger finger — a condition causing finger stiffness and pain — including the symptoms, causes, and effective surgical and nonsurgical treatment options.

There are many possible causes of a swollen thumb. Most shouldn't be concerning, while others are more serious. Here's what you need to know.

Stiff fingers often result from arthritis, but there are other causes. They include tenosynovitis, which causes trigger finger, carpal tunnel syndrome, or an injury. Stretching, home remedies, and ...

Medically reviewed by Laura Campedelli, DPT Finger pain has many possible causes. The most common are accidental injuries, overuse injuries, and arthritis. However, numerous hand-related and body ...

Psoriatic Arthritis Psoriatic arthritis (PsA) is another autoimmune, inflammatory arthritis that causes joint pain and stiffness. About 30% of people with psoriasis develop PsA.