Table 1.

Exclusion and Inclusion Criteria.

Factor	Inclusion	Exclusion
Research outcome	Studies involving DRA in postnatal women. Studies dealing with the effect and outcomes of surgical procedures for treating DRA. Studies dealing with ultrasound imaging and abdominal muscles related to vaginal delivery and cesarean section	Studies that only considered healthy controls.
Study design and Methodology	Studies that employ sensor for assessment of abdominal exercises.	Statistical methods for assessment. Biochemical research studies on the properties of the abdominal muscles.