Most people will, at some point, have knee or hip pain because these large joints have a demanding task: they must bear the full weight of your body while at the same time allowing for a wide range of motion. Wear and tear, injury, and simple genetic predisposition can all contribute to knee or hip pain.
Whatever the cause of your hip and/or knee pain, if you are experiencing it regularly you need to find a way to manage it.
Swelling and stiffness
Weakness or instability
Popping or crunching noises