Improving Ventilatory Capacity in Those With Chronic High Level SCI

Inclusion Criteria: * Chronic high-level SCI (at least 24-months post injury) * Age 18 to 50 years. * Medically stable * Spinal Cord Injury ≥T3 * American Spinal Injury Association grade A or B or C. * Able to perform arm crank exercise. Exclusion Criteria: * Cardiomyopathy * High blood pressure( \>140/90 mmHg or you are taking high blood pressure medication) * Significant irregular heartbeat * Heart disease * Chronic lung disease (COPD, bronchitis) * Current use of cardioactive or antidepressant drugs * Family history of significant irregular heart beat or sudden cardiac death * Orthostatic hypotension (symptomatic fall in blood pressure \>30 mmHg when upright) * Current grade 2 or greater pressure ulcers at relevant contact site * Neurological disease (stroke, peripheral neuropathy, myopathy) * Arm or shoulder conditions that limit ability to perform arm crank exercise * History of bleeding disorder, diabetes, kidney disease, cancer, other neurological disease * Recent weigh change (greater than 10 pounds) * Regular use of tobacco * Intrathecal baclofen pump, * Current use of cardioactive, antidepressant, other sedating agents * Suicidal ideation * Pregnant and/or breastfeeding women. In addition, subjects must have no known hypersensitivity to Buspar and must not be taking a monoamine oxidase inhibitor.