This podcast covers the JBJS issue for March 2019. Featured are articles covering Perioperative Antibiotic Prophylaxis in TJA - A Single Dose Is as Effective as Multiple Doses; recorded commentary by Dr. Keeney; Sacroiliac Joint Arthrodesis and Conservative Management for Chronic Sacroiliac Joint Pain; Postoperative Mobilization After Superior Rotator Cuff Repair - Sling Versus No Sling; recorded commentary by Dr. Neviaser; Aspirin for Venous Thromboembolism Prophylaxis Decreases Mortality Following Primary TJA.