Elbows are the joints that connect the upper arm to the forearm in the human body. They allow for bending and straightening of the arm, enabling various movements such as lifting and throwing. The elbow joint is made up of three bones: the humerus, ulna, and radius. The elbow is surrounded by ligaments, tendons, and muscles that provide stability and strength. Common injuries to the elbow include tennis elbow and golfer's elbow, which result from repetitive strain. Proper care and exercise can help maintain elbow health and function.