A single-center, prospective, randomized clinical trial with a total of 100 patients. One orthopaedic adult reconstruction surgeon at Beaumont Hospital Royal Oak (JJV) will perform all surgeries. After the patient has consented they will be randomized to one of the following two groups:
1. Psoas compartment block (n=50)
2. Periarticular local anesthetic infiltration (n=50),
The patient will be blinded to the study group.