This podcast covers the JBJS issue for April 2012. Featured are articles covering: Hemiarthroplasty of the Hip with and without Cement - A Randomized Clinical Trial; A Prospective Multicenter Study of Legg-Calve-Perthes Disease; recorded commentary by Dr. Wenger; Serum and Synovial Fluid Analysis for Diagnosing Chronic Periprosthetic Infection in Patients with Inflammatory Arthritis; Secondary Rotator Cuff Dysfunction Following TSA for Primary Glenohumeral Osteoarthritis; recorded commentary by Dr. Dines.