Diastasis recti, also known as rectus abdominis diastasis or rectus diastasis, is characterised by the complete or partial separation of the abdominal muscles leading to the formation of an abdominal gap.
This condition is caused by the stretching of the linea alba (the white connective tissue between the abdominal muscles) due to extreme inner-abdominal pressure during pregnancy or excessive and improper abdominal exercise.
Diastasis recti can be surgically corrected via abdominoplasty, this procedure is commonly known as a tummy tuck surgery.