Temporary Inactivation of Strong Muscle Sensation to Improve Rehabilitation Interventions in SCI

Inclusion Criteria: SCI Patients: * Provision of signed and dated informed consent form * Stated willingness to comply with all study procedures and availability for the duration of the study * Male or female, aged between 18 and 75 years old * Have physician diagnosed cervical incomplete spinal cord injury or lesion (iSCI) * Classified by the American Spinal Cord Association (AIS) impairment scale as AIS C or D * iSCI occurred at least 18 months ago * Level of injury or lesion is between C2 and T1 * Bicep strength must be classified as ≥ 3 muscle grade as defined by the medical research council scale * Tricep strength must be at least an MRC grade of 2 and bet at least 1 muscle grade lower than the bicep * Both the biceps and triceps will be required to elicit an active motor evoked potential \>200 uV with transcranial magnetic stimulation * Must maintain current medication regime * Must present with a weaker side of the body, as indicated by a Upper extremity motor score difference between the left and right side * UEMS \< 40 (50 max score) * Must be able to perform reaching movement training task Healthy Controls: * Provision of signed and dated informed consent form * Stated willingness to comply with all study procedures and availability for the duration of the study * Male or female, aged between 18 and 75 years old * Must be right-handed * Must be able to perform hand exercises Exclusion Criteria: SCI Patients: * Pacemaker or another implanted device * Metal in …