Inclusion Criteria:  Brachial plexus injury to the right upper extremity 18 - 69 y/o with pan plexus injuries Lower root injuries (C7, C8, T1)  Exclusion Criteria:  No significant hand/wrist contractures or associated deformities which would affect participation No open wounds in affected hand or wrist Able to provide consent for treatment and follow general directions Only right-hand involved individuals will be considered, as the orthosis prototypes will be designed for right hand use only at this stage of the research