Inclusion Criteria:

• Patients with a brachial plexus injury (pOst-surgery) and subsequent nerve transfer surgery for elbow flexion.
• Age range of 18 to 65 years.
• Functional passive range of motion of the involved upper extremity.
• Willingness to participate in the study.
• No restriction will be placed on gender, race, or ethnicity.
• Able to understand and follow instructions.

Exclusion Criteria:

• Patients with a brachial plexus injury and subsequent nerve graft or free functioning muscle transfer surgery for elbow flexion.
• Patients with substance misuse issues (e.g., smoking or other consumption of tobacco/cannabis, and alcohol dependency).
• Closed head injury with resultant inability to follow commands.
• Soft tissue or skeletal injuries which preclude use of an orthosis.
• Non-functional passive range of motion.
• Neuropathic pain which prevents use of a powered exoskeleton.
• Amputation of the upper extremity.
• Unwillingness or inability to comply with test procedures.

Note: Other protocol defined Inclusion/Exclusion Criteria may apply.

Eligibility last updated 10/2/23. Questions regarding updates should be directed to the study team contact.