This podcast covers the JBJS issue for March 2010. Featured are articles covering Thrombosis Prevention After Total Hip Arthroplasty - A Prospective, Randomized Trial Comparing a Mobile Compression Device with Low-Molecular-Weight Heparin; recorded commentary by Dr. Lieberman; The Influence of Femoral Cementing on Perioperative Blood Loss in Total Knee Arthroplasty - A Prospective Randomized Study; Long-Term Results of Radial Head Resection Following Isolated Radial Head Fractures in Patients Younger Than Forty Years Old; In Vivo Effects of Single Intra-Articular Injection of 0.5% Bupivacaine on Articular Cartilage; Apoptosis and Mitochondrial Dysfunction in Human Chondrocytes Following Exposure to Lidocaine, Bupivacaine, and Ropivacaine; Internal Screw Fixation Compared with Bipolar Hemiarthroplasty for Treatment of Displaced Femoral Neck Fractures in Elderly Patients.