This podcast covers the JBJS issue for August 2011. Featured are articles covering: Comparison of Minimally Invasive Direct Anterior Versus Posterior THA Based on Inflammation and Muscle Damage Markers; recorded commentary by Dr. Manner; Patellar Resurfacing in TKR - Five-Year Clinical and Economic Results of a Large Randomized Controlled Trial; recorded commentary by Dr. Gross; Lumbar Plexus Anatomy within the Psoas Muscle - Implications for the Transpsoas Lateral Approach to the L4-L5 Disc; Alterations in Recovery from Spinal Cord Injury in Rats Treated with rhBMP-2 for Posterolateral Arthrodesis.