OBJECTIVES: To develop a rapid cadence cycling intervention (active-assisted cycling [AAC]) using a motorized bike and to examine physiological perimeters during these sessions in individuals with Parkinson's disease (PD). A secondary goal was to examine whether a single session of AAC at a high cadence would promote improvements in tremor and bradykinesia similar to the on medication state. DESIGN: Before-after pilot trial with cross-over. SETTING: University research laboratory. PARTICIPANTS: Individuals with idiopathic PD (N=10, age 45-74y) in Hoehn and Yahr stages 1 to 3. INTERVENTION: Forty minutes of AAC. MAIN OUTCOME MEASURES: Heart rate, pedaling power, and rating of perceived exertion were recorded before, during, and after a bout of AAC. Functional assessments included tremor score during resting, postural, and kinetic tremor. RESULTS: This AAC paradigm was well tolerated by individuals with PD without excessive fatigue, and most participants showed improvements in tremor and bradykinesia immediately after a single bout of cycling. CONCLUSIONS: This paradigm could be used to examine changes in motor function in individuals with PD after bouts of high-intensity exercise.
OBJECTIVES: To develop a rapid cadence cycling intervention (active-assisted cycling [AAC]) using a motorized bike and to examine physiological perimeters during these sessions in individuals with Parkinson's disease (PD). A secondary goal was to examine whether a single session of AAC at a high cadence would promote improvements in tremor and bradykinesia similar to the on medication state. DESIGN: Before-after pilot trial with cross-over. SETTING: University research laboratory. PARTICIPANTS: Individuals with idiopathic PD (N=10, age 45-74y) in Hoehn and Yahr stages 1 to 3. INTERVENTION: Forty minutes of AAC. MAIN OUTCOME MEASURES: Heart rate, pedaling power, and rating of perceived exertion were recorded before, during, and after a bout of AAC. Functional assessments included tremor score during resting, postural, and kinetic tremor. RESULTS: This AAC paradigm was well tolerated by individuals with PD without excessive fatigue, and most participants showed improvements in tremor and bradykinesia immediately after a single bout of cycling. CONCLUSIONS: This paradigm could be used to examine changes in motor function in individuals with PD after bouts of high-intensity exercise.
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