ok so this may sound weird and no im not digging a grave lol but yesterday i dug for 3 hours a giant hole by shovel 10 feet long 6 feet wide and a foot deep well today i went back to dig its now down 4 feet....im a fast digger lol anyway i got inside sat down and the pain hit me omg i could not get up my back hurt so bad i put some pain away stuff it felt like it was freezing then i layed back on a hot rice pack anyways....what should i do since i have to walk around 5 hours tomorrow? by the way the really really cold stuff did NOT help......its my lower back