Effect of High Intensity Focused Electromagnetic Field on Postnatal Diastasis Recti

Inclusion Criteria: * Postnatal women (6 months after delivery) having diastasis recti (separation between the two recti more than 2.5cm at the level of umbilicus) diagnosed and referred from the obstetrician. * Multiparous women (2-3) times delivered vaginally with or without episiotomy. * Their ages will range from 25 -35 years old. * Their BMI will be less than 30 kg/cm2. * All women will be of sedentary lifestyle. * They will be clinically and medically stable when attending the study. Exclusion Criteria: * Cardiac disorders. * Active cancer. * Medical condition contraindicating the application of an electromagnetic field as epilepsy or having metal implants * Abdominal or back surgery. * Abdominal hernia. * History of abnormal pregnancy, uterine fibroid or polyhydramnios during pregnancy. * Neurological disorders as multiple sclerosis, stroke and spinal lesion. * Musculoskeletal diseases such as fractures and muscle strains which may affect their physical activity.