Rectus abdominis free ﬂap is supplied by:
The rectus abdominis muscle flap is supplied by 2 vascular pedicles, the cranial and caudal epigastric vessels .
The principal blood supply is the caudal epigastric artery, which perfuses approximately 2/3 of the length of the muscle, with the remainder of the muscle supplied by the cranial epigastric artery.
Intercostals artery
Iliolumbar artery
Epigastric artery
Thoraco-lumbar artery