1) Exercise effect on Parkinson disease and 2) Topic of the month: Mononeuropathies. This podcast for the Neurology Journal begins and closes with Dr. Robert Gross, Editor-in-Chief, briefly discussing highlighted articles from the print issue of Neurology. In the second segment Dr. John Morgan with Dr. Eric Ahlskog about his paper on vigorous exercise effect on Parkinson disease. In the next segment, Dr. Jennifer Fugate is reading our e-Pearl of the week about Beevor's sign. In the next part of the podcast Dr. Ted Burns interviews Dr. John Stewart about radial neuropathies. Next week, Dr. Burns will interview Dr. Stewart about another common mononeuropathy. The participants had nothing to disclose except Drs. Morgan, Ahlskog, Fugate and Burns.Dr. Morgan received research support from National Parkinson Foundation, Pharmaceutical Strategies Group, HealthCare Solutions Group, Merz Pharmaceuticals, LLC, NIH (NET-PD LS-1 [sub-investigator], Acadia Pharmaceuticals, Inc., Boehringer Ingelheim, EMD Serono, GlaxoSmithKline, and Solvay Pharmaceuticals Inc., serves on speakers' bureaus for Boehringer Ingelheim, GlaxoSmithKline, Teva Pharmaceutical Industries Ltd. and National Parkinson Foundation, served as a consultant for Life Cycle Pharma, Lundbeck, National Parkinson Foundation, and Teva Pharmaceutical Industries Ltd.. Dr. Ahlskog received the Fred Springer Award from the American Parkinson's Disease Association; serves on the editorial boards of Parkinsonism and Related Disorders and Clinical Neuropharmacology; receives royalties from the publication of The Parkinson's Disease Treatment Book (Oxford University Press, 2005), Parkinson's Disease Treatment Guide for Physicians (Oxford University Press, 2009), Parkinson's Disease and Movement Disorders (Humana Press, 2000), and Surgical Treatment of Parkinson's Disease and Other Movement Disorders (Humana Press, 2003); and receives research support from NIH/NINDS.Dr. Fugate serves on the editorial team for the Neurology® Resident and Fellow Section. Dr. Burns receives a stipend as Podcast Editor for Neurology®; performs EMG studies in his neuromuscular practice (30% effort); and has received research support from the Myasthenia Gravis Foundation of America and Knopp Neurosciences Inc..