This podcast covers the JBJS issue for April 2015. Featured are articles covering Surgery in Upper-Extremity Cerebral Palsy Compared with Botulinum Toxin Injections or Therapy; The Effect of Femoral and Acetabular Version on Clinical Outcomes After Arthroscopic FAI Surgery; recorded commentary by Dr. Baumgarten; Study of Tantalum and Titanium Acetabular Cups and Highly Cross-Linked and Conventional Liners; Navigated Knee Arthroplasty Reduces Revision Rate for Patients Less Than Sixty-five Years of Age; recorded commentary by Dr. Lee.