Background Objectives Overview Eligibility Criteria Study Designs Participants Interventions Comparators Outcomes Variables Inclusion criteria Exclusion criteria Population Adults (≥18 y old) with traumatic or nontraumatic spinal cord injury of any level, severity, or chronicity Adults aged <18 y old; neurological conditions other than spinal cord injury Interventions tSCS alone or combined with other interventions Other types of electrical stimulation without tSCS (eg, functional electrical...