The Forward Review Live Commentary Vol. I · Issue 6 · July 2026
ReviewingZhang B, Raguzzi IA, Dupuis F, Gianola S, Morgan-Daniel J, Roy JS, Pozzi F. Addressing Shoulder Weakness in Individuals With Rotator Cuff-Related Shoulder Pain: A Systematic Review With Meta-analysis. Journal of Orthopaedic and Sports Physical Therapy. 2026;56(2):67-84.
Key Points
- Rotator cuff-related shoulder pain, or RCRSP, is the single most common cause of shoulder pain and one of the most common musculoskeletal complaints anywhere (Zhang W and colleagues, 2025).
- A 2026 systematic review pooled 28 studies and found that rehabilitation improved shoulder strength, with a moderate effect on external rotation strength (standardized mean difference 0.56). The catch: only programs that included active exercise or strength training produced any strength gain. Programs without exercise produced none (Zhang B and colleagues, 2026).
- A 2025 Bayesian network meta-analysis of seven exercise types ranked concentric strengthening training as the most effective single approach for both pain and function (Zhang W and colleagues, 2025).
- Surgery is not the automatic first move. A 2019 Cochrane review found rotator cuff repair probably gives little or no pain improvement over exercise at one year (Karjalainen and colleagues, 2019), and a 2018 Lancet trial found keyhole decompression surgery no better than a sham procedure (Beard and colleagues, 2018).
- The mechanism is load tolerance. A painful cuff is usually a cuff that has lost capacity. Progressive strengthening rebuilds that capacity and restores the scapular mechanics that keep the shoulder moving cleanly.
- Some shoulders are not a rehab problem. A true traumatic tear with real weakness, night pain with fever or weight loss, or a new lump needs medical evaluation first, not exercise.
Plain Language SummaryIf your shoulder hurts to lift, reach overhead, or lie on at night, the most likely cause is your rotator cuff being irritated and underpowered, not necessarily torn. The best 2025 evidence says the fix is to strengthen it, gradually and on purpose. Rest, gadgets, and hands-off treatments do not build a shoulder back.
Two large 2025 and 2026 research reviews point the same direction. Exercise that actually loads the shoulder improves strength and function. Passive care that does not load it changes very little. And for most people, surgery does not beat a good exercise program.
This does not mean push through every pain. It means load the shoulder in a controlled, progressive way, respect the warning signs that mean something more serious, and get a hands-on evaluation if you are stuck at the starting line. At Vanguard Chiropractic in Brookside, that first look is $40, no contract, and you can stop any time.
Why This Question Matters
Shoulder pain sends people down two wrong roads: total rest, or a rush to surgery. Rotator cuff shoulder pain is the most common shoulder complaint, so getting the first move right matters for a lot of people. The 2025 evidence points to a third road, active loading, that most patients never hear about.
"A painful rotator cuff is rarely a shoulder that needs rest. It is usually a shoulder that has lost capacity and needs to earn it back."
Start with the scale of it. Rotator cuff-related shoulder pain, which clinicians shorten to RCRSP, is described in the 2025 research as the most common cause of shoulder pain and one of the most common musculoskeletal conditions affecting the shoulder at all (Zhang W and colleagues, 2025). It is the umbrella term for the everyday sore shoulder: the pain when you reach for a seatbelt, lift a bag into an overhead bin, or roll onto that side at night. Most of these shoulders are not catastrophically torn. They are irritated and underpowered.
Here is why the framing matters. When a shoulder hurts, the two instincts are to stop using it or to get it scoped. Both feel logical. Both, for most people, are the wrong first move. The 2025 and 2026 evidence lands on a different answer, and it is worth walking through carefully because it changes what you should do on day one.
The Studies
Two 2025 to 2026 systematic reviews anchor this commentary. The first pooled 28 studies and asked whether rehabilitation actually restores shoulder strength in rotator cuff shoulder pain. The second compared seven different exercise styles head to head to find which one works best. Together they answer whether to exercise, and how.
The anchor is a 2026 systematic review with meta-analysis in the Journal of Orthopaedic and Sports Physical Therapy by Zhang B and colleagues (2026). The team searched seven databases and pooled 28 studies of adults with RCRSP, deliberately excluding people who had shoulder surgery or a diagnosis limited to a full-thickness tear. They measured objective strength before and after at least six weeks of treatment. The question was simple and practical: does rehab put real strength back into a painful cuff, and which kind of rehab does it.
The companion is a 2025 Bayesian network meta-analysis in the Journal of Orthopaedic Surgery and Research by Zhang W and colleagues (2025). A network meta-analysis is a statistical method that lets you rank several treatments against each other even when no single trial tested them all side by side. This one pulled randomized trials of RCRSP and compared seven exercise types, ranking them for pain and for function. The pain analysis pooled 15 studies with 913 participants, and the function analysis pooled 16 studies with 947 participants.
"One review asked whether exercise works. The other asked which exercise works best. The answers line up."
These are not small mechanistic experiments. They are pooled analyses of many trials, which is the level of evidence that should move clinical decisions. The limitations, covered in full below, are real, but the direction of both reviews is consistent and hard to wave away.
What Rotator Cuff Shoulder Pain Actually Is
The rotator cuff is four small muscles that center the ball of the shoulder in its socket while bigger muscles move the arm. Rotator cuff shoulder pain usually means those muscles and their tendons have lost load tolerance, often paired with sluggish shoulder-blade mechanics. It is a capacity problem far more often than a structural tear.
Picture the shoulder as a golf ball sitting on a tee. The big muscles, like the deltoid and the lats, swing the arm around. The four rotator cuff muscles do a quieter job: they pull the ball snugly into the socket so it rotates cleanly instead of sliding around. When the cuff is strong, the ball stays centered and the shoulder moves through its range without pinching. When the cuff loses capacity, the mechanics get sloppy, tissues get irritated, and the brain protects the joint by making movement hurt.
Two mechanical ideas do most of the explaining. The first is load tolerance. A tendon is a living tissue that adapts to the demand you place on it. Ask too little of it for too long, after an injury or a stretch of inactivity, and its tolerance drops. Then a normal reach can exceed what the tissue can currently handle, and that mismatch is felt as pain. The second is scapular mechanics. Your shoulder blade has to rotate and tilt out of the way as you lift your arm, opening space for the cuff tendons to glide. When the muscles that control the blade are weak or poorly timed, that space narrows and the tendons get compressed and cranky.
This is why "rest until it feels better" so often backfires. Rest lowers the demand, the pain quiets for a while, but the underlying capacity keeps dropping. The shoulder gets more fragile, not less, and the next reach re-lights the same pain. Understanding the shoulder as an underpowered system, rather than a broken part, is the whole key to why loading it is the fix.
What the Evidence Shows: Exercise Builds It, Passive Care Does Not
The 2026 review found that rehabilitation improved strength across every direction tested, with a moderate effect on external rotation (effect size 0.56). The decisive detail: only programs with active exercise or strength training produced gains. Programs without exercise produced no strength benefit at all. The 2025 network analysis then ranked concentric strengthening as the best single approach.
"Interventions with strength training helped every strength measure. Interventions without it helped none. That is about as clean as clinical evidence gets."
Start with the strength question. Across 28 studies, Zhang B and colleagues (2026) found that rehabilitation produced a moderate improvement in external rotation strength, with a standardized mean difference of 0.56 and a confidence interval from 0.39 to 0.74. External rotation is the cuff's signature job, so that is the most telling number. They also found smaller but real improvements in abduction (0.47), internal rotation (0.41), scaption (0.48), and flexion (0.25). In plain terms, rehab measurably rebuilt strength in the exact directions the cuff controls.
Then comes the sentence that should change practice. The authors reported that interventions which included strength training or active exercise had small-to-moderate effects on all strength outcomes, while interventions without exercise or strength training had no effects. The active ingredient was the loading itself. If a program did not make the shoulder work, it did not make the shoulder stronger.
2026 Meta-analysis: Strength Gains From Rehabilitation
| Strength Direction | Effect Size (SMD) | Read |
|---|
| External rotation | 0.56 | Moderate |
| Scaption | 0.48 | Small to moderate |
| Abduction | 0.47 | Small to moderate |
| Internal rotation | 0.41 | Small to moderate |
| Flexion | 0.25 | Small |
Now layer on the second review. Knowing that exercise works is useful. Knowing which exercise works best is more useful. Zhang W and colleagues (2025) ranked seven exercise types and found concentric strengthening training, meaning controlled work where the muscle shortens under load, came out on top for improving both pain and function. Eccentric strengthening, where the muscle lengthens under load, and traditional strength work were moderately effective and clearly beat lower-load options like motor control drills and isolated scapula exercises. When concentric work was not a fit for a patient, the authors named eccentric strengthening and motor control exercise as reasonable alternatives.
Put the two together and the message is not vague. Load the shoulder, favor real strengthening over gentle movement drills, and you get measurable gains in the strength, pain, and function that matter. This is the opposite of the "rest it and baby it" advice most people start with.
Does Surgery Beat Exercise for Rotator Cuff Shoulder Pain?
For most people, no. A 2019 Cochrane review found rotator cuff repair probably gives little or no pain improvement over exercise at one year, with only a small function difference of uncertain importance. A 2018 Lancet trial found keyhole decompression surgery performed no better than a placebo operation. Surgery has a role, but it is not the automatic first step.
This is where honest reporting matters, because the surgical option carries real cost and real risk, so the bar to justify it should be high. The 2019 Cochrane review by Karjalainen and colleagues synthesized randomized trials comparing rotator cuff repair against non-operative care, which was exercise with or without a steroid injection. At one year, across three trials and roughly 260 participants, moderate-certainty evidence showed surgery probably provided little or no improvement in pain compared with exercise. Function was about six points better with surgery on a 100-point scale, a small difference rated low-certainty. Patient-rated success was 873 in 1000 with exercise and 943 in 1000 with surgery, a gap that did not reach statistical significance (Karjalainen and colleagues, 2019).
"When a placebo operation matches the real one, the benefit was never coming from the scalpel."
The 2018 Lancet trial sharpens the point. Beard and colleagues ran the CSAW study, a placebo-controlled surgical trial for subacromial shoulder pain. They compared arthroscopic decompression, a placebo arthroscopy with no decompression, and no treatment. The decompression surgery produced no clinically important benefit over the placebo operation (Beard and colleagues, 2018). A sham surgery matching the real one is the strongest signal in medicine that the mechanism people assumed was helping was not the thing helping.
None of this says surgery is never right. A large traumatic tear in an active person, or a shoulder that fails a genuine trial of loaded rehab, can be a real surgical candidate, and that decision belongs with an orthopedic surgeon. The point is narrower and well supported: for the common, non-traumatic rotator cuff shoulder pain most people have, exercise is the reasonable first move, and surgery does not reliably beat it.
What This Means Clinically
In my practice, the job with a cranky shoulder is rarely to rest it and rarely to refer it straight to surgery. It is to confirm it is a load problem, calm the irritated tissue enough to start moving, and get the patient loading the cuff and shoulder blade progressively. Hands-on care lowers the cost of that first rep. The exercise does the rebuilding.
I see this shoulder in the office every week. Someone reaches for a shelf, feels a catch, starts avoiding the movement, and three weeks later the whole shoulder feels weak and guarded. They come in braced for the worst, half-expecting to hear they need a scan and a surgeon. Most of the time what they need is the opposite of rest: a graded return to loading the shoulder, plus enough hands-on work to make the first sessions tolerable. The evidence above is exactly what I am leaning on when I tell them that.
Hands-on care has an honest and limited role here, and I keep it in its lane. Soft-tissue work to the guarded muscles, joint mobilization to restore clean motion, and mobilizing a stiff mid-back and shoulder blade can take enough pressure off an irritated cuff that the first strengthening reps stop hurting. That is the value: I lower the barrier to entry so the patient can actually start the exercise that rebuilds the shoulder. I am not adjusting a tendon back to strength. The load does that. If someone wants to understand which shoulder and neck problems I treat and how they connect, I lay it out on the conditions we treat page.
The same upper-quarter logic runs through a related Forward Review commentary on the neck. Manual therapy that frees up a stiff segment, paired with exercise, tends to beat either one alone, a pattern I covered in the review of thoracic manipulation for neck pain. The shoulder blade sits on the rib cage right below that region, which is why a stiff mid-back so often shows up in a stubborn shoulder.
Patient Translation: How to Load a Cranky Shoulder
Start with light external rotation and rows using a band or a light weight, work in a range that provokes no more than mild, settling discomfort, and add a little load each week. Some ache during and shortly after is acceptable if it calms within a day. Sharp, spreading, or worsening pain, or true weakness, means stop and get evaluated.
The most common mistake is treating the shoulder as fragile. People do nothing, wait for it to feel normal, and it never does, because doing nothing is what let the capacity slip in the first place. The fix is a small, repeatable dose of loading, not a hero workout. A daily set of light external rotations with a band, a few controlled rows, and gentle overhead progressions as tolerated will do more over six weeks than any amount of rest.
Use pain as a dial, not a wall. Discomfort that rises during the exercise and settles within a day is generally fine and is often part of the process of loading a sensitized tendon. Pain that spikes sharply, spreads down the arm, or is clearly worse the next morning is a sign you outran the tissue's current tolerance, so you scale back and rebuild slower. The goal is steady progress in load, not a race. The cuff adapts to what you ask of it, so ask a little more each week.
"Load the shoulder like you are building a callus, not testing a limit."
If everything hurts and you cannot find a starting point that feels safe, that is exactly when a hands-on evaluation earns its place. Getting the irritated tissue to calm down and the shoulder blade moving again can open a window where the first loaded reps are tolerable, and that first tolerable rep is where most people get stuck. From there, the plan is progression, not protection.
When It Is Not a Rehab Problem, Get It CheckedMost rotator cuff shoulder pain is a load and irritation problem that responds to progressive strengthening. A few presentations are different and need medical evaluation before any exercise plan. Get checked promptly, and go to urgent or emergency care for the acute items, if you have any of these:
- A sudden injury, a fall, or a heavy lift followed by true weakness, meaning you genuinely cannot lift or hold the arm, which can signal a full-thickness rotator cuff tear
- Night pain paired with fever, unexplained weight loss, or feeling generally unwell, which can point to infection or something systemic
- A new lump, mass, or visible swelling around the shoulder or upper arm
- Numbness, pins and needles, or weakness spreading down the arm, or a hand that is getting clumsy, which points to a nerve, not the cuff
- A shoulder that looks deformed or out of place after trauma, which may be a dislocation or fracture
A careful evaluation screens for each of these before any loading begins. Honest care means knowing what a rotator cuff problem is not.
Limitations: What We Do Not KnowThe 2026 anchor review measured strength, not every outcome patients care about, and the pooled studies varied in how they trained and tested people, reflected in moderate-to-high statistical heterogeneity for some measures. It also excluded people with surgery or a diagnosis limited to a full-thickness tear, so its findings speak to the common cuff-related pain, not to every torn shoulder.
The 2025 network meta-analysis ranks exercise types using indirect comparisons, which are useful but weaker than head-to-head trials, and the individual trials were modest in size. A top ranking means most probable best on the available evidence, not proven best. The favored approach, concentric strengthening, is a direction of care, not a rigid prescription for every shoulder.
The surgical evidence has its own caveats. The Cochrane function difference favoring surgery was small and low-certainty, and both the Cochrane review and the CSAW trial concern specific populations and procedures rather than every shoulder surgery. Individual candidates, especially those with large traumatic tears, may still benefit from an operation.
Finally, this is editorial commentary, not a treatment plan. It concerns elective, non-emergency shoulder pain and does not apply to the red-flag presentations above, which require medical evaluation. What is right for your shoulder depends on an exam.
The Bottom LineFor the common rotator cuff shoulder pain most people have, the 2025 and 2026 evidence points one way: load it. Active exercise and strength training rebuild the shoulder, passive care does not, and surgery does not reliably beat a good exercise program. A painful cuff is usually an underpowered cuff. The fix is to earn the capacity back, and a hands-on reset can be the on-ramp that makes the first rep possible.
Get a Straight Answer on Your ShoulderWalk in to Vanguard Chiropractic in Brookside
If your shoulder hurts to lift or reach and you are not sure whether to rest it, load it, or get it scanned, come in and get evaluated. I will tell you straight whether it is a load problem we can rebuild, or one of the few that needs a referral. No appointment needed.
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Call (918) 948-7990 Frequently Asked Questions
Can rotator cuff shoulder pain heal without surgery?
For most people, yes. Rotator cuff shoulder pain is usually a load and irritation problem, not a full tear, and it responds to progressive strengthening. A 2026 review of 28 studies (Zhang B and colleagues) found rehabilitation with active exercise measurably rebuilt shoulder strength, while passive care did not. Surgery is reserved for specific cases like large traumatic tears or a shoulder that fails a real trial of loaded rehab.
What is the best exercise for rotator cuff shoulder pain?
A 2025 Bayesian network meta-analysis (Zhang W and colleagues) ranked concentric strengthening training, meaning controlled work where the muscle shortens under load, as the most effective single approach for both pain and function. Eccentric strengthening and traditional strength work were the next best. Simple external rotations and rows with a band or light weight are a practical place to start, adding a little load each week.
Should I rest or exercise a rotator cuff injury?
For the common non-traumatic case, controlled exercise beats rest. Rest lowers the demand and quiets pain briefly, but it also lets the cuff lose more capacity, so the shoulder gets more fragile over time. The 2026 evidence shows only programs that actually load the shoulder produce strength gains. Load it in a graded, tolerable way rather than avoiding movement. If a sudden injury caused true weakness, get evaluated first.
Does surgery work better than exercise for rotator cuff shoulder pain?
Usually not. A 2019 Cochrane review (Karjalainen and colleagues) found rotator cuff repair probably gives little or no pain improvement over exercise at one year, with only a small function difference of uncertain importance. A 2018 Lancet trial (Beard and colleagues) found keyhole decompression surgery no better than a placebo operation. Surgery has a role for specific injuries, but it is not the automatic first step for common cuff pain.
How long does it take to rebuild a rotator cuff with exercise?
The pooled trials measured change after at least six weeks of exercise, and meaningful strength gains typically build over that time frame and beyond. Tendons and muscles adapt gradually to progressive load, so consistency matters more than intensity. Expect a slow, steady climb rather than an overnight fix. If you have seen no progress after a genuine, well-scaled loading program, that is a reason to get re-evaluated.
When is shoulder pain a red flag that needs a doctor?
Get evaluated promptly, or go to urgent or emergency care for acute signs, if you have a sudden injury followed by true weakness or inability to lift the arm, night pain with fever or unexplained weight loss, a new lump or swelling, numbness or weakness spreading down the arm, or a shoulder that looks deformed after trauma. These can signal a full-thickness tear, infection, a systemic problem, a nerve issue, or a dislocation, none of which are rehab-first problems.
Cite This Commentary Forward J. Shoulder pain without surgery: what the 2025 evidence says about exercise. The Forward Review. 2026;1(6). https://vanguardchiro.com/research/rotator-cuff-shoulder-pain-exercise-2026/
Editorial Disclosure
The Forward Review is editorial commentary, not peer reviewed. Written and medically reviewed by Jason Forward, DC, a licensed chiropractor and US Navy veteran at Vanguard Chiropractic in Brookside, Tulsa, Oklahoma. Commentary reflects clinical interpretation and does not represent the views of the original study authors, the Journal of Orthopaedic and Sports Physical Therapy, the Journal of Orthopaedic Surgery and Research, Cochrane, The Lancet, or any institution. Individual results vary.
Conflict of interest: Dr. Forward is a practicing chiropractor whose clinical work includes hands-on care intended to restore movement and support exercise-based rehabilitation. No financial relationships with the cited authors or publishers.
Corrections policy: Errors are corrected with a dated correction notice appended to the article. Original text remains accessible via revision history.
Level of evidence: Two systematic reviews with meta-analysis (primary), one Cochrane systematic review, and one placebo-controlled randomized surgical trial. Certainty ranges from low to moderate depending on the outcome.