Lately I've become stiff, entire body, first it started n my lower calf, moving upwards. Stiffness is beginning to worry me. My age is 48, my weight is 140, 4 11'.. I have always weighed 130-132..I can't keep my legs r any other part n a regular position long at all now, I become so stiff, it takes a minute to start to move around, getting up.. entire body..