We’ll bet your favorites are on here — and are more harmful than you’ve been told. “Movement is medicine” is a well-known adage with research to back it up. Exercise can undeniably benefit our mental and physical health. However, some common exercises cause harm to the spine, experts warn. While this information is good for us all to know, certain populations will want to pay more attention — particularly, those who already have lumbar (or lower back) concerns. “Not everyone is prone to lumbar