The investigators propose that a preoperative femoral and sciatic blocks vs a femoral block only, prior to ambulatory anterior cruciate ligament (ACL) reconstruction will lead to a decrease in opiate consumption, pain scores, and post-anesthesia care unit (PACU) length of stay. The investigators are prospectively randomizing patients to either a femoral or a fem/sciatic block and monitor outcomes.

Although femoral nerve blocks improve analgesia after anterior cruciate ligament (ACL) reconstruction, patients often complain of posterior knee pain, which can be treated with a sciatic nerve block. In a prospective randomized study, we compare preoperative femoral nerve block to a combined femoral and sciatic block in patients undergoing ambulatory ACL reconstruction. We hypothesize that the combined femoral/sciatic nerve block patients would have improved analgesia, fewer opioid-related side effects, and shorter PACU length of stay and improved patient satisfaction.

Inclusion Criteria:

• Age 18 and over
• ASA status I-II
• Scheduled for ambulatory Arthroscopic ACL Surgery

Exclusion Criteria:

• Allergy to Local anesthetics or opiates used in the study
• Contraindications for regional anesthesia
• coagulopathy, anticoagulation, Thrombocytopenia
• infection at site of injection
• Chronic pain and high preoperative opiate requirements
• High risk for PONV