Mazzocchio R, Kitago T, Liuzzi G, Wolpaw J, Cohen LG. Plastic changes in the human H-reflex pathway at rest following skillful cycling training. Clinical neurophysiology : official journal of the International Federation of Clinical Neurophysiology [Internet]. 2006;117:1682?1691. http://www.ncbi.nlm.nih.gov/pubmed/16793333