The natural lubricant of the human joint is called hyaluronic acid (HA). As part of a large, electrically-charged sugar molecule, HA permits water to be absorbed and released from the cartilage surface of the joints. This provides durability and compressibility. Without HA we would all grind to a halt.
The Golden State Warriors, and star Steph Curry, may seem like superheroes—but they’re human beings with human parts. He’s what their knees endure during each game, and why (barring injury) they're able to handle it with such finesse.
Cortisone is a therapeutic drug used to fight ailments ranging from asthma to arthritis. It was the athlete’s best friend throughout the 20th century. But in orthopedics, there is a significant downside.
Artificial knee replacement surgery used to mean the reduction of sports activities like golf, swimming, and cycling. Yet with severe arthritis affecting younger and younger people, we are currently pushing the envelope of sports participation with joint replacements and learning as we go.