Cervical spinal cord injury (SCI) can cause tetraplegia. Nerve transfer has been routinely utilized for reconstruction of hand in brachial plexus injuries. Here, we report reconstruction of finger flexion (hand grasp) and extension (hand release) in a victim of cervical spinal cord injury with tetraplegia. We also focus on importance of extension phase in restoration of hand function in the tetraplegic case, in addition to provision of a detailed description of both operations including text, photographs, and a video. We used double nerve transfer, namely brachialis branches of musculocutaneous nerve to anterior interosseous nerve (AIN) and supinator branch of radial nerve to posterior interosseous nerve (PIN). We found that brachialis nerve transfer to AIN (for finger flexion) and supinator branch nerve transfer to PIN (for finger extension) can provide finger flexion and extension simultaneously. Brachialis nerve transfer to AIN and supinator branch nerve transfer to PIN may be an acceptable surgical technique to restore hand grasp and release in tetraplegia after SCI.
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