Symptoms Come Back in a Fixed Order, and Knowing It Saves a Lot of Worry
You’ve had surgery for cubital tunnel syndrome, and the numbness in your ring and little fingers is still there.
That’s usually not a failed operation.
It’s simply…the schedule.
The surgery takes pressure off a nerve. It does NOT repair a damaged nerve. What recovers, and how fast, depends entirely on how damaged that nerve was on the day you went in, and recovery follows an order that almost never varies:
- First, and fastest: night symptoms and elbow pain. Often within days to a couple of weeks.
- Next: intermittent tingling. Weeks to a few months, and it typically gets worse before it goes, in bursts, as the nerve wakes up.
- Then, slowly: constant numbness. Months, and this one improves partially rather than completely in a lot of people.
- Last, and least reliably: strength and muscle bulk.
If you had visible hollowing between your thumb and index finger before surgery, that last item may not fully return.
Honestly, I’d rather you heard that now than concluded at month six that something went wrong. Surgery at that stage is done to stop things getting worse, and it’s usually successful at exactly that.
Which operation you had matters
Two very different recoveries hide under the same diagnosis, so it’s worth knowing which one you’ve had.
- Simple decompression. The tight tissue over the nerve is released and the nerve is left where it is. Smaller wound, less disruption, and movement is usually unrestricted almost immediately. Most people are back to desk work within a week or two and to most normal activity by around 4 to 6 weeks.
- Transposition. The nerve is moved from its groove behind the elbow to the front, so it no longer stretches over the bony point when you bend. That means more dissection, a longer wound, and often a period in a splint. Recovery runs roughly 6 to 12 weeks to normal use, and the elbow itself needs deliberate work to avoid stiffening.
Neither is better in general. The choice depends on whether your nerve was unstable and snapping over the bone, and on the surgeon’s judgment.
Recovery, week by week
- Days 0 to 14: dressing, elevation, and shoulder, wrist and hand moving fully from day one. Elbow movement per your surgeon: usually free after a simple decompression, often protected after a transposition. Stitches around 10 to 14 days.
- Weeks 2 to 6: full elbow range is the priority, particularly straightening. Scar management once healed. Nerve gliding exercises, gently, and they should not produce lasting increases in tingling.
- Weeks 6 to 12: strengthening, grip and pinch work, return to manual tasks. Avoid long stretches with the elbow fully bent, because that’s the position that caused the problem in the first place.
- Months 3 to 12: nerve recovery continues quietly in the background. Nerves regrow at roughly a millimetre a day, so the small muscles of the hand, which are the furthest away, are the last to hear about it.
Normal things that alarm people
- A numb patch of skin near the scar or on the inner forearm. Small skin nerves cross the surgical field and some get cut. This is common, usually shrinks over months, and is not the ulnar nerve.
- Tingling that intensifies at around weeks 2 to 8. Frequently a sign of a nerve recovering rather than one being damaged.
- A tender, lumpy, sensitive scar. Elbow scars are exposed and get knocked. Scar massage and desensitization work here.
- Aching with elbow use for a couple of months, particularly after a transposition.
Things to report
- Spreading redness, heat, discharge or fever.
- Symptoms that were improving and then clearly worsen again.
- An elbow that isn’t regaining full straightening by around week six.
- Pain escalating rather than settling after the first fortnight, with a shiny, swollen, hypersensitive hand.
Judge this operation at twelve months, not at twelve weeks. It’s the slowest-reporting surgery in the arm.
The short version
Pain and night symptoms go first. Tingling next. Constant numbness slowly and often partially. Strength last, and only if there was strength left to save.
Move the elbow, work the scar, stop sleeping with the elbow bent up, and give it a year before deciding what it achieved.
Written by Nigel Chua, hand occupational therapist in practice since 2005. Tens of thousands of hands, wrists and elbows assessed and treated. My credentials are here. This article explains; it doesn’t examine. Follow your own surgeon’s protocol where it differs from anything here.