How to train your abs if you have back pain…
If you have back pain, there are certain ab exercises that you need to look more closely at how you are performing. The basic crunch is one of those ab exercises. Provided you are not suffering from a herniated disc in your lumbar spine, crunches and ab exercises can be performed in your workouts. That said, you must be sure that your abdominal muscles are actually doing the work and not your hip flexors or psoas