Synovium & Synovial Fluid Physiopedia Hydration isnt just for beating the heatits essential for joint health, too!, Water helps cushion your joints, supports cartilage, and even reduces inflammation. Dehydration can make stiffness Are you low on fluid? Bone & Joint How Do Knee Gel Injections Work? The Science Explained Joint Relief Institute Joint movement depends on synovial fluid, a slippery liquid that reduces friction and nourishes cartilage. This fluid is constantly renewed through joint movement and adequate water availability. When hydration is reduced, synovial