Group 1 consented subjects who will receive for their hip surgery procedures general anesthesia (sevoflurane) with single shot femoral and lateral femoral cutaneous nerve blocks under ultrasound guidance, with 20 cc of 0.9% saline solution for the femoral block and 10 cc of 0.9% saline solution for lateral femoral cutaneous block, for a total of 30 ml saline solution 0.9%.

Group 2 consented subjects who will receive for their hip surgery procedures general anesthesia (sevoflurane) with single shot femoral and lateral femoral cutaneous nerve blocks under ultrasound guidance, with 20 cc of 0.25% bupivacaine solution for the femoral block and 10 cc of 0.9% saline solution for lateral femoral cutaneous block, for a total of 20 cc 0.25% bupivacaine solution en 10 cc saline solution 0.9%.

Group 3 consented subjects who will receive for their hip surgery procedures general anesthesia (sevoflurane) with single shot femoral and lateral femoral cutaneous nerve blocks under ultrasound guidance, with 20 cc of 0.25% bupivacaine solution for the femoral block and 10 cc of 0.25% bupivacaine solution for lateral femoral cutaneous block, for a total of 30 cc of 0.25% bupivacaine solution.

LFCNB - Normal Saline solution 10 cc

The primary outcome measure will be a consumption of opioids through the Intravenous Patient Controlled Analgesia pump. Those amounts will be measured en documented at the fixed intervals during the first 48 hours post-procedure.

The secondary outcome measure will be pain scores (VAS 0-10). Those scores will be measured en documented at the fixed intervals during the first 48 hours post-procedure.