During a sporting activity I think I hurt my thumb by applying too much pressure at a particular point. Now, for 10days or so the upper part of my thumb is a little numb. And if I press at a particular spot just below where the thumb meets the palm, there is a tingling sensation and little pain radiating through the thumb. None of the other fingers are affected. Seema like a nerve is getting pinched somewhere. It has subsided to some degree over the last few days but hasnt gone away. How to address this?