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Condition
Cubital tunnel syndrome
Pressure on the ulnar nerve at the inside of the elbow causing numbness or tingling in the ring and little fingers, sometimes with hand weakness.
Common triggers
- Sleeping with the elbow bent for long periods
- Leaning on the elbow at a desk
- Repetitive elbow flexion at work
When to seek care
- Numbness in the ring and little fingers that wakes you at night
- Weakness with pinch or grip
- Trouble crossing your fingers or splaying them apart
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Patient education · Cubital tunnel syndrome
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Sources
- Cubital tunnel syndrome — American Society for Surgery of the Hand(accessed 2026-04-22)