Main objective of this article is to explain Diagnosing and Treating Joint Pain. If joint pain is present because of a direct injury while playing sports, it may be helpful to wear the appropriate sports gear for the particular sport and by making sure, you warm up properly before you participate in any rigorous exercise. When you warm way up, you also limber way up your joints and prepare them for the session ahead so, the likelihood of being injured are substantially reduced. If a disease like arthritis or rheumatoid joint disease causes it, it is generally inescapable.