Back surgery has progressed, with minimally invasive techniques allowing patients to stand and walk the next day. It’s a common complaint shared by countless people — an achy back. It could start simple enough — a stiff back in the morning when getting out of bed, then during activities, lifting something heavy or just when the day becomes long. But for so many, the ache becomes increasingly worse, reaching the point when it has a negative impact on what were once everyday activities. “When people hear ...