like three weeks ago i fell on my wrist and it hurt for a couple of days. ever sinse then it has been stiff and seems weak. two days ago me and my friends were just knocking each other down a lot. i landed on my wrist like 5 times. it hurt for 30 minutes then now it doesnt hurt to much. it is a little sore but feels really stiff and weak. anyone know what could be wrong with it?