AUTHOR=Schulz-Schaeffer Walter J. TITLE=Camptocormia in Parkinson's Disease: A Muscle Disease Due to Dysregulated Proprioceptive Polysynaptic Reflex Arch JOURNAL=Frontiers in Aging Neuroscience VOLUME=8 YEAR=2016 URL=https://www.frontiersin.org/journals/aging-neuroscience/articles/10.3389/fnagi.2016.00128 DOI=10.3389/fnagi.2016.00128 ISSN=1663-4365