This is the perfect workout to try if you've recently closed your diastasis and ready to challenge the new found connection! Ali also focuses on reactivating the psoas in the workout. The Psoas is a crucial deep core muscles that requires your attention - a healthy, strong psoas will mean better, posture, ab strength, digestion and of course - a flat tummy!! This is a postnatal core workout designed for any woman who has recently closed their ab separation following pregnancy and childbirth. These workouts will challenge your new found connection and safely build strength and endurance to your deep core. These workouts, known as the primary series, form the foundation of your core reactivation, appropriate only after healing your diastasis.