hi,i hav a severe back bone pain in lower portion of my back and pain goin in my legs and my thighs its really hurts when i'm trying to lift my leg i can't lay down on the bed without support ...pain gets worse when i'm sneezing,coughing,sitting and just change the sides for reduce the pain...i can't get up without my hand support....what should i do now,doctors said keep moving....but,when i walk i'm feeling weeakness severe pain trouble in walking....should i need to besd rest???