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Innervation of the elbow joint: Is total denervation possible? A cadaveric anatomic study
Renata De Kesel1, Francis Van Glabbeek, Dominique Mugenzi
1Department of Orthopaedics and Traumatology, Cliniques Universitaires de Bruxelles, University Hospital Erasmus, Brussels, Belgium. renata.dekesel@azstlucas.be
Clinical Anatomy (New York, N.Y.)
|February 14, 2012
Summary
Total elbow joint denervation is anatomically impossible. However, this study found that partial denervation of specific elbow regions, such as the lateral epicondyle, is technically feasible.
Area of Science:
- Anatomy
- Neuroscience
Background:
- Elbow joint innervation is complex and not fully understood.
- Understanding nerve pathways is crucial for surgical interventions and pain management.
Purpose of the Study:
- To determine the anatomical feasibility of total denervation of the elbow joint.
- To map the articular branches innervating the elbow.
Main Methods:
- Dissection of brachial plexus endbranches in eight fresh-frozen upper arm cadavers.
- Utilized optical loupe magnification for detailed examination.
- Created a topographic diagram of elbow joint innervation.
Main Results:
- All major nerves (except axillary and medial brachial cutaneous) supply articular endbranches to the elbow.
- Specific nerve contributions were mapped to different elbow quadrants (ulno-posterior, radial-posterior, ulno-anterior, radio-anterior).
- Total denervation of the elbow joint was found to be anatomically impossible.
Conclusions:
- Total denervation of the elbow joint is not technically feasible due to extensive nerve supply.
- Partial denervation of specific elbow areas, like the lateral epicondyle or ulnar elbow region, is achievable.
