The Importance of Hydration for Joint Health Ozark Orthopaedics Water isn't just for thirst, it's an essential joint fuel! Stay hydrated to keep cartilage cushioned, joints lubricated, and movement smooth. Spot the signs of dehydration and build better hydration Why Drinking Water Is Good For Your Joints Optimum Health Rehab Joints move smoothly because their surfaces are coated with synovial fluid. This fluid acts as a lubricant and shock absorber. It is mostly water, mixed with proteins that reduce friction., When How does water help lubricate joints and reduce friction? Experimental Investigations of Biological Lubrication at the Nanoscale: The Cases of Synovial Joints and the Oral Cavity