patients will take lateral transversus abdominis plan block. The block will be done unilaterally on the same side of proposed surery with 0.25% bupivacaine at a volume of 1 ml·kg-1

patients will take posterior transversus abdominis plane block. The block will be done unilaterally on the same side of proposed surery with 0.25% bupivacaine at a volume of 1 ml·kg-1

conventional analgesia in form of 1 micrograms. Kg-1 fentanyl and paracetamol 15 mg. Kg-1 suppositories

compare lateral and posterior approaches of trannsversus abdominis plane block for analgesia after lower abdominal surgery in children

Children's Hospital of Eastern Ontario Pain Scale (CHEOPS) for Post-Op Pediatric Pain the score is based on 6 crtiteria:

1. crying
2. facial expression
3. child verbal expression
4. body positiion
5. touching or grabbing at wound
6. legs position criterion 1 is given a score of 1-3, criterion 2 and 3 are given score 0-2, criterion 4,5 and 6 are given a score 1-2 making the worst possible score 13 while the least possible score is 4.

a total score of 6 or less indicates adequate analgesia

Measurement of heart rate (beats per minute)

Measurement of Mean arterial blood pressure ( mm Hg)