I suffer from sciatica, so I have to be mindful when it comes to ab exercises like crunches and sit-ups, which typically put a lot of stress on the lower back. In the run-up to my last marathon, I asked my physical therapist for an ab exercise that would build core strength and stability without…
Despite being the exercise you might think of first when you hear the words “ab workout,” crunches aren’t actually the best way to target your abdominal muscles. Plus, if you’re like me and you suffer from sciatica or lower back pain, they can actually do more harm than good.