The more you move, the less pain you'll feel—ease creaking joints in just five minutes with this trainer's full-body mobility drill

Woman performing stretch using a fold out chair to rest her hands on.

Are sore knees and tight hips putting you off exercise? What if I told you that—assuming an undetected injury isn't the cause of your discomfort—the more you move, the less pain you'll feel?

That is thanks to the beneficial effects exercise has on something called synovial fluid, a lubricating substance found in every joint in the human body.