Ulnar Nerve Block
Rapid Summary
5 Minute Video
Where you put the probe and needle:
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• Identify ulnar artery near wrist, ulnar nerve lies on ulnar aspect of artery!
• Helps to have shoulder abducted and external rotated as shown
• Slide proximal to find easiest access to nerve for in-plane injection
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• Injecting anesthetic alongside ulnar nerve

• Ulnar nerve distribution in yellow
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- Identify ulnar artery near wrist, ulnar nerve lies on ulnar aspect of artery!
- Helps to have shoulder abducted and external rotated as shown
- Slide proximal to find easiest access to nerve for in-plane injection

- Injecting anesthetic alongside ulnar nerve

- Ulnar nerve distribution in yellow
