Q: Once a substitute yoga instructor stated that she didn't do anything every day, and that yoga can be bad for backs. Could you clarify why this opinion might be so? I love doing yoga, and would really like to know what's going on here. A: Yoga isn’t "bad for backs" but not all yoga asanas are appropriate for “bad backs.” As an example, let us look at a very common group of yoga poses, forward bends, which can be thought of as both “good” and “bad” for someone with a back injury. Forward bends can be bad in the sense that if too much force is generated by trying to come into the position at the vulnerable area in the back, this will most likely cause more pain and injury. Not bending from the hips to come forward but using the arms as a lever force to pull into a position is unsafe. However, learning to move from the hip joints and keeping the spine in its neutral curves is a very different way to practice forward bends. This is safe because soft tissue restrictions ...