How Do You Get Upper Diastasis Recti and What to do? Upper Diastasis recti or open above navel diastasis recti happens when your growing baby inside your tummy pushes up against your rib cage. As your rib cage becomes wider, your connective tissue continues to stretch out and accommodate the baby. The more he pushes up, the more your abdominal muscle splits. For some, the ribs go back to its normal position after delivery, and for others, they stay it is. Poor Body Alignment Reinforces Upper…