Can a Torn Labrum in the Shoulder Heal on Its Own?

Short answer: A torn labrum rarely grows back onto the bone by itself, because the tissue has a limited blood supply. That does not mean you need surgery. Many adults with a labral tear, particularly those over 35 whose shoulder has never dislocated, get back to a comfortable shoulder with a focused physical therapy program, and surgery is kept for tears that make the shoulder unstable or pain that lingers after a real trial of rehab.

What is the labrum, and how does it tear?

The labrum is a rim of firm, rubbery tissue that lines the edge of the shoulder socket. It deepens the socket so the ball of your upper arm sits more securely. At the top, it also anchors one end of the biceps tendon.

Tears happen in two main ways. In younger, active people, something usually tears it: a dislocation, a fall onto an outstretched hand, or a hard yank on the arm. After the mid-30s, the labrum often frays slowly over the years, much like a shoelace that has been tied thousands of times. A tear at the top of the socket, where the biceps attaches, is called a SLAP tear. A tear at the front and bottom that comes with a dislocation is called a Bankart lesion.

Why doesn't a torn labrum heal like a broken bone?

Bone has a generous blood supply, so a fracture can fill in and remodel. The labrum gets far less blood. A torn edge tends to smooth over and quiet down, but it seldom reattaches to the bone without help.

That sounds discouraging until you think about what you actually want. The goal is not a perfect MRI. The goal is a shoulder that is comfortable and feels stable when you use it. Plenty of shoulders with a labral tear get there once the muscles around the joint are strong and working together.

Is the tear on your MRI really what hurts?

This is the question we spend the most time on. Labral changes show up constantly on MRI in adults who feel fine. In one study of 53 people aged 45 to 60 with no shoulder pain and no history of injury, two radiologists reported a superior labral tear in 55 and 72 percent of them.

So a middle-aged shoulder with a labral tear on its report may also have a rotator cuff problem, early arthritis, a biceps issue, or stiffness, and any of those could be the real pain generator. Operating on the wrong structure is one of the most common reasons a shoulder surgery disappoints. What we find on exam, matched against the images, counts for more than any single line in the report. If you are not sure imaging is even needed yet, read our piece on whether you need an MRI for shoulder pain.

How well does physical therapy work for a labral tear?

For tears that do not involve instability, therapy comes first, and it is real treatment, not a hoop to jump through. The work targets the rotator cuff and the muscles that control the shoulder blade, and it restores lost motion. Throwers in particular often have tightness at the back of the shoulder that needs attention.

A study of SLAP tears in the American Journal of Sports Medicine followed patients treated without surgery for about three years. Those who responded to nonoperative care had significant improvements in pain and function, and every one of them returned to sport. Overhead athletes found it harder: about two thirds got back to their previous level.

We usually ask patients to commit to about three months of structured therapy before judging whether it has worked. Anti-inflammatory medicine and, for some people, an injection can settle pain enough for the exercises to do their job.

When does a torn labrum need surgery?

Surgery makes sense in a handful of situations:

• The shoulder has dislocated or keeps slipping partway out. These tears behave differently, and young, active patients face the highest odds of another dislocation. We cover that decision in Shoulder Dislocation: Repair or Rehab?
• Painful catching or locking keeps interrupting ordinary movement.
• Pain or weakness still limits your work, sleep, or sport after a genuine course of therapy.
• A cyst from the tear is pressing on a nerve and causing weakness.
• The labral tear is one part of a bigger problem, such as a rotator cuff tear, that needs its own treatment.

Repair or biceps tenodesis: why your age matters

Once surgery is the right call for a SLAP tear, the next question is which operation. A labral repair stitches the torn tissue back to the bone with small anchors. A biceps tenodesis moves the biceps attachment away from the torn labrum so it stops tugging on the painful spot.

Age changes the numbers. In a prospective study of 179 SLAP repairs, 36.8 percent met the criteria for failure, and patients older than 36 were about three and a half times more likely to fail than younger ones. A separate study found that 87 percent of patients returned to their previous sport level after biceps tenodesis, compared with 20 percent after SLAP repair.

For those reasons, for many patients past their mid-30s we lean toward a biceps tenodesis rather than a repair. A young pitcher may be a different story. There is no single best operation, only the best fit for your shoulder and what you want to do with it. You can read more about how we treat labral tears and shoulder dislocations.

What happens if you ignore a labral tear?

If the tear is a frayed or SLAP type and the shoulder has never dislocated, waiting is generally safe. Many of these tears never need more than therapy, and putting off a decision rarely makes a later operation harder.

Tears from a dislocation are the exception. Every time the shoulder comes out of joint, it can wear away more labrum and more of the bony socket, and that narrows your options later. We explain why in Every Shoulder Dislocation Does More Damage Than the Last. If your shoulder has dislocated, talk with a shoulder specialist early instead of waiting to see what happens.

When to see a shoulder specialist

• Your shoulder has dislocated or feels like it is slipping out.
• You get catching or locking that stops you mid-motion.
• You have done about three months of therapy and still are not where you want to be.
• Someone has recommended labral surgery and you want to confirm the tear is the real source of your pain.
• You have new weakness, numbness, or an arm you suddenly cannot lift.

Get a clear answer about your labrum

At Oregon Shoulder Institute, shoulders are what we do all day. Our surgeons have performed more than 10,000 surgeries. Dr. Patrick Denard has been voted one of the top 20 shoulder surgeons in North America and is the most widely published shoulder specialist in Oregon. In 2021, Expertscape ranked him #2 for rotator cuff repair expertise based on his published research.

If you already have an MRI, you don't need to travel to learn what it shows. With our remote MRI review, Dr. Denard personally goes through your images and sends a narrated video explanation with treatment guidance, typically within 48 hours, for $250. If you would rather be examined in person, request an appointment at 2780 E. Barnett Rd, Suite 200, Medford, OR 97504, or call 541-608-2595. We see patients from Medford, Grants Pass, Klamath Falls, Roseburg and Northern California, along with many who fly in.

Frequently asked questions

Can a torn labrum heal without surgery?

The torn tissue rarely reattaches by itself, but many people become pain-free and return to full activity without surgery. For tears that do not involve a dislocation, a structured physical therapy program that strengthens the rotator cuff and shoulder blade muscles is the usual first step.

How long should I do physical therapy for a labral tear before considering surgery?

We generally suggest about three months of consistent, supervised therapy. If pain, catching, or weakness still limits your life after that, it is reasonable to discuss surgical options with a shoulder specialist.

Is a SLAP tear on my MRI always a problem?

No. In a study of people aged 45 to 60 with no shoulder pain, radiologists reported superior labral tears in more than half of them. Whether your tear matters depends on your symptoms and exam, not the MRI report alone.

Can a torn labrum get worse if I keep using my arm?

A tear from gradual wear usually does not become dangerous with normal use, though heavy overhead lifting can aggravate it. A tear from a dislocation is different, because repeat dislocations can damage more labrum and bone, so it deserves an earlier evaluation.

Is labrum surgery different for people over 40?

Often, yes. Research shows SLAP repairs fail more often in patients older than about 36, so many surgeons recommend a biceps tenodesis for older patients instead. The right choice depends on your age, activity level, and exam.

References

1. Schwartzberg R, Reuss BL, Burkhart BG, et al. High prevalence of superior labral tears diagnosed by MRI in middle-aged patients with asymptomatic shoulders. Orthop J Sports Med. 2016;4(1):2325967115623212.
2. Edwards SL, Lee JA, Bell JE, et al. Nonoperative treatment of superior labrum anterior posterior tears: improvements in pain, function, and quality of life. Am J Sports Med. 2010;38(7):1456-1461. PMID 20522835.
3. Provencher MT, McCormick F, Dewing C, et al. A prospective analysis of 179 type 2 superior labrum anterior and posterior repairs: outcomes and factors associated with success and failure. Am J Sports Med. 2013;41(4):880-886. PMID 23460326.
4. Boileau P, Parratte S, Chuinard C, et al. Arthroscopic treatment of isolated type II SLAP lesions: biceps tenodesis as an alternative to reinsertion. Am J Sports Med. 2009;37(5):929-936. PMID 19229046.
5. American Academy of Orthopaedic Surgeons. SLAP Tears. OrthoInfo. orthoinfo.aaos.org/en/diseases--conditions/slap-tears

This article is for education and is not a substitute for an exam.