Popliteal cyst Did you know that water helps to lubricate and cushion your joints, spinal cord and tissues? This is particularly important if you regularly engage in activities that place pressure on your joints. We need water to help lubricate our joints! Water is also a component of synovial fluid, which is the fluid that lubricates the joints and cartilage surrounding them Cartilage prevents bones Do's and Don'ts of Drinking Water