sry never mentioned sitting much, when i get up morning its fine after 15 mins sitting it starts, i have to move constant but the pain is in my buttock at the start of day, i sit on soft pillow as any hard seat i land in agony for days, the pain always starts buttock then then while trying to stand up have agony lower back, as the day goes on then the groin, leg and hip pain start, ty for any advice i have no idea if i should be using heat or cold or what i should try while in bed, i have tried pillows ect in bed but nothing works