BDNF and movement disorder: These were; serum levels of endogenous protein brain-derived neurotrophic factor (BDNF), VO2max (using the piloted protocol), Movement Disorder Society Unified Parkinson’s Disease Rating Scale part III (UPDRS III), 30 Second Sit-To-Stand Test (30 s STS), and the Oxford Participation Activities Questionnaire (OxPAQ) acute.