https://www.newindianexpress.com/cities/bengaluru/2018/jan/17/adjust-minor-case-of-slip-disc-with-this-mountain-pose-1756906.html
Ardh Uttana Asan works on your lower back and abdomen. However this stretch is much more intense and your forward fold can greatly improve by regular practice.
mountain poseadjustminorcaseslip