A hyperextension joint occurs when a joint moves beyond its typical range of motion. These injuries occur most often in the knees, ankles, elbows, shoulders, neck, and fingers. Share on Pinterest ...

Human flexibility in shoulders and elbows originated from ancient apes' need for safe tree descent. A new study reveals chimpanzees, unlike monkeys, used their upper limbs as a braking system, ...

When you have rheumatoid arthritis (RA), you’re likely to feel it in multiple joints. It’s common in hands, wrists, and knees. But there’s a good chance you’ll also feel it in your elbows. RA happens ...