Effects of Vibration on Motor Function of Survivors of Chronic Stroke

Inclusion Criteria: * If stroke, more than 6 months after * Medically stable * Not currently taking any anti-spasticity medications (for at least 2 weeks) * Able to comply with study requirements Exclusion Criteria: * Recent change in the use of any medications * Other physical conditions such as orthopedic injuries or surgeries * Unstable Medical conditions or any other clinical observations that may affect the candidates performance, health, safety, or ability to participate in the study as determined by the treating therapist * Anti-spasticity drug injection in the 3 months prior to participation * Presence of significant cardiorespiratory or metabolic disease * Inability to achieve standard position required for EMG recordings * Intrathecal baclofen pump * Musculoskeletal conditions/surgeries resulting in difficulty participating * Adults unable to consent * Pregnant women, prisoners, and individuals under the age of 18