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 ...

Medically reviewed by Oluseun Olufade, MD Key Takeaways Tennis elbow is an injury that causes pain and swelling in the ...

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, ...