Overview

Numbness, tingling or a "falling asleep" feeling in the ring and little fingers usually involves the ulnar nerve, which runs along the inside of the elbow behind the bony bump (the "funny bone" spot).

The ulnar nerve is most easily irritated when the elbow is kept bent for a long time or rests on a hard surface. This is common and often harmless, but persistent numbness or weakness needs assessment because a nerve that is compressed for too long can lose function.

What This Symptom Feels Like

Tingling or pins and needles in the ring and little fingers
Numbness that comes on with the elbow bent, such as when holding a phone or sleeping with the arm curled
An ache along the inside of the elbow
Clumsiness, dropping objects, or difficulty gripping
In more advanced cases, weakness or visible loss of muscle at the base of the thumb side of the hand

Common Causes

Cubital tunnel syndrome — the ulnar nerve is compressed or irritated at the elbow
Prolonged elbow bending or leaning on the elbow — sleeping, phone use, desk work
The nerve sliding over the bone with repeated elbow motion
Direct pressure or a blow to the inside of the elbow

Anatomy Usually Involved

Ulnar nerve — runs behind the inner elbow and supplies the ring and little fingers

Questions to Ask Yourself

Does the tingling come on when the elbow is bent or pressed, and ease when you straighten it?
Is the numbness constant, or does it come and go?
Are you dropping objects, or does the hand feel weaker or clumsier?
Did symptoms start after a blow, surgery or a specific activity?

When It's Usually Minor

Intermittent tingling that appears with the elbow bent and disappears when you change position is common and often settles with simple habits.

When To Seek Medical Care

Numbness or tingling is constant rather than position-related
Hand weakness, clumsiness or dropping objects
Loss of coordination in the fingers
Symptoms that follow a recent injury to the elbow
Visible loss of muscle bulk in the hand

Self-Care Options

Avoid prolonged, tightly bent elbow positions
Avoid leaning directly on the elbow
At night, a loosely applied towel or purpose-made brace can keep the elbow from curling fully — never tight enough to compress the nerve
Adjust your workstation so the elbow rests at a comfortable angle
Take breaks during activities that keep the elbow bent

Numbness or tingling in the thumb and index fingers — a different nerve with a different hand pattern
Numbness or tingling in the arm or hand — for patterns that are broader than one nerve

Cubital tunnel syndrome

References

AAOS OrthoInfo. "Cubital Tunnel Release." https://orthoinfo.aaos.org/treatment/cubital-tunnel-release
Staples JR, Calfee R. "Cubital Tunnel Syndrome: Current Concepts." Journal of the American Academy of Orthopaedic Surgeons. https://pubmed.ncbi.nlm.nih.gov/28291107/

This information is for education only and is not a medical diagnosis. InjuryAtlas does not replace an assessment by a qualified health professional. If you have severe pain, visible deformity, numbness, loss of function, or symptoms that are getting worse, seek medical care promptly.

Numbness or Tingling in the Ring and Little Fingers