Post-operative Exparel Study Following Rotator Cuff Repair

Inclusion Criteria: * Males and females aged 18 years or older with a full-thickness rotator cuff tear (confirmed on MRI) undergoing arthroscopic rotator cuff repair surgery. * Anesthesiologists physical status 1, 2, or 3 and normal preoperative motor (Lovett scale: biceps, wrist, thumb) and sensory function. Exclusion Criteria: * Revision shoulder surgery * History of more than 1 prior surgery performed on the operative shoulder * Concomitant severe glenohumeral arthritis * Concomitant adhesive capsulitis * Worker's compensation claim * Pregnancy * History of hypersensitivity or idiosyncratic reaction to amide-type local anesthetics * History of renal or hepatic failure * Chronic neuromuscular deficit affecting the surgical limb. * Uncontrolled psychiatric or neurologic disorder