Neurophysiological Rehabilitation After Nerve Transfer Surgery for Enhancing Upper Limb Function in Cervical Spinal Cord Injury Patients

Overview

This study evaluates neurophysiological recovery following nerve transfer surgery in patients with cervical spinal cord injury (SCI). It highlights variability in treatment response and aims to characterize the time to reinnervation and motor unit progression post-surgery.

Background

Nerve transfer surgery is increasingly utilized to restore upper limb function in individuals with SCI, particularly for elbow extension and finger movements. Understanding the neurophysiological recovery process is crucial for setting patient expectations and improving prognostic assessments. Variability in outcomes necessitates further investigation into factors influencing recovery.

Data Highlights

Key Findings

• Nerve transfer surgery improves upper limb muscle strength and functional scores in SCI patients.
• Variability in treatment response exists both between individuals and different nerve transfers.
• Reinnervation of finger flexors showed a median manual muscle strength score of 2, with significant variability.
• Motor outcomes are generally superior for the radial branch of the supinator to posterior interosseous nerve transfer compared to other transfers.
• The time to reinnervation is inversely correlated with motor and functional outcomes.

Clinical Implications

Clinicians should consider the variability in recovery outcomes when counseling patients about nerve transfer surgery. Understanding the time course of reinnervation can aid in setting realistic expectations for recovery.

Conclusion

The study underscores the importance of evaluating neurophysiological recovery profiles to enhance understanding of recovery after nerve transfer surgery in SCI patients.

Related Resources & Content

1. Nature Medicine, 2026 -- Spinal cord stimulation for upper limb motor function in people with chronic post-stroke hemiparesis: a feasibility trial
2. Frontiers in Neurology, 2026 -- Effects of Non-Invasive Neural Stimulation Modalities on Upper Limb Function in Subacute Stroke: A Systematic Review and Meta-Analysis
3. Frontiers in Neurology, 2026 -- Effects of postoperative electrical stimulation for quadriceps muscular atrophy of patients with incomplete Cervical Spinal Cord Injury. A Retrospective Study
4. Frontiers in Surgery, 2026 -- T1 rhizotomy for post-stroke hand flexion spasticity: a preliminary report of 15 cases
5. Spinal Cord, 2025 -- An Australian and New Zealand clinical practice guideline for the physiotherapy management of people with spinal cord injuries
6. PubMed, 2025 -- Nerve transfers to anterior interosseous nerve for restoration of finger flexion in spinal cord and brachial plexus injury: a systematic Review and individual-patient-data meta-analysis
7. ScienceDirect, 2025 -- Evaluating motor unit properties after nerve transfer surgery
8. An Australian and New Zealand clinical practice guideline for the physiotherapy management of people with spinal cord injuries | Spinal Cord
9. Nerve transfers to anterior interosseous nerve for restoration of finger flexion in spinal cord and brachial plexus injury: a systematic Review and individual-patient-data meta-analysis - PubMed
10. Evaluating motor unit properties after nerve transfer surgery - ScienceDirect