Effects of Combined Resistance and Aerobic Training vs Aerobic Training on Cognition and Mobility Following Stroke

Inclusion Criteria: * Clinical diagnosis of stroke (ischemic or hemorrhagic) * Ability to walk at least 100 m independently with or without an assistive * device with no severe limitations due to pain * Living in the community at least 3 months post stroke (no upper limit) * Stroke-related motor impairment score of 3-6 on the Chedoke-McMaster Stroke * Assessment scale of the leg and/or foot * Ability to provide informed consent Exclusion Criteria: * Unstable angina or orthostatic blood pressure decrease of \> 20 mmHg * Resting hypertension (SBP \> 160 mm Hg or DBP \> 100 mm Hg) * Diabetes related or other eye/vision complications (severe proliferative retinopathy) * Cardiovascular morbidities which would limit exercise tolerance (e.g. heart failure, hypertrophic cardiomyopathy, horizontal or downsloping ST-segment depression \> 2 mm, symptomatic aortic stenosis, complex arrhythmias) * Musculoskeletal impairments which would preclude safe participation in exercise * Cognitive and/or behavioral issues that would significantly limit participation in exercise testing and training, prior unrelated neurological disorders or psychiatric illness * Severe communicative aphasia or comprehensive aphasia (as noted in clinical reports) * Patients with anxiety disorder, claustrophobia, or pacemaker implantation will be excluded from brain imaging and perfusion measures * Exposure to a similar or identical neuropsychological battery within \<6 months * Currently smoking