Crunches may increase the diastasis recti separation. Incorrect exercises, including crunches, can increase the diastasis recti separation. A diastasis of the symphysis pubis is a cause of pelvic girdle pain (PGP). In some women this separation can become a diastasis of the symphysis pubis. A 12-year-old boy, associated with bifid scrotum, epispadia and pubic symphysis diastasis. The resulting complications may include suture diastasis, venous sinus thrombosis, and epidural hematoma. Levatorplasty is performed to correct elvator diastasis which is commonly associated with rectal prolapse. The defining feature is muscle diastasis which is separation of the masseter. Diastole has four phases&colon; isovolumetric relaxation, rapid filling, diastasis and atrial contraction. Diastasis recti is more common in premature newborns. Diastasis recti, hernias, and omphalocele have all been described in conjunction with the pentalogy.