Science explainers & myth-busting
Why Scans Often Show 'Tears' in Pain-Free Shoulders
6-minute read · Published August 29, 2025 · Updated August 29, 2025
Why a scan can look worse than the shoulder feels
A scan is a picture of tissue, and tissue is not always the whole story. Tendons, the cords that attach muscle to bone, are thought to change with age and use. A scan describes structure, and it is taken at one moment in time. It can't show how much the shoulder hurts, how well it moves or what you can do with it. Pain involves that structure along with nerves, load, sleep and how the shoulder is being used day to day.
We don't have a reliable number for how many pain-free shoulders show changes on a scan, and that uncertainty is itself a reason to read a scan with care.
What the research says
- The NHS guidance in our sources says routine shoulder ultrasound or MRI is not advised unless there is a treatment pathway [R30].
- Rotator cuff related shoulder pain includes subacromial pain, tendinopathy and symptomatic tears. The word "symptomatic" matters: the question is whether a tear is causing symptoms [R03].
- A 2025 review found that specific exercise types, including scapular stabilization exercise, improved pain and function [R03].
- Resisted exercise that gets a little harder over the weeks probably helps rotator-cuff-related shoulder pain [R01].
What you can do
A scan result can be worrying, especially when the report uses words like "tear" or "degeneration". The steps below keep the focus on how your shoulder actually behaves.
- Ask what the scan means for you. Ask your clinician how the scan fits with your symptoms, your history and your examination. Write your questions down before the visit, such as: Does this finding explain my symptoms? Would my plan change if the scan were normal? What can I do for it now?
- Keep a simple note. For a couple of weeks, note what makes your shoulder better or worse. Include sleep, reaching, lifting and any activity that eases it. This helps your clinician see the pattern, and it often tells them more than the image does.
- Keep moving within comfort. Resisted exercise that builds up gradually probably helps rotator cuff related pain [R01].
- Seated option. Sit in a supported chair and try slow, controlled reaches with your arm, stopping before any pain.
Where ShoulderBack Pro fits, and where it doesn't
Once a clinician has cleared you to move, SeeSaw is a gentle place to start: one arm guides while the other resists, so you set the effort, and you can build up by resisting harder or reaching a little further. It cannot show whether a scan finding matters, and it is a wellness tool, not a treatment, with no clinical trials of it yet. You can see the trainer or go straight to SeeSaw.
For the wider picture, read 10 Shoulder Myths Debunked. Related reading: Does Cracking Your Shoulder Cause Arthritis? and Why Wear and Tear Is the Wrong Way to Think About Aging Joints.
When to see a professional
See a doctor or physiotherapist promptly if you have: pain after a fall or injury with sudden weakness or loss of movement; a shoulder that looks deformed, very swollen or bruised; fever or feeling unwell alongside the pain; chest pain or breathlessness (call emergency services); constant pain that doesn't change with rest or activity; pain that wakes you most nights; numbness, tingling or weakness into the arm or hand; pain in several joints at once; or pain that hasn't improved after a couple of weeks of sensible self-care.
A clinician who examines you is the person who can diagnose a tear and explain what a scan means.
Try this movement
SeeSaw (bilateral glide) →Frequently asked questions
Does a scan that looks like a tear mean my shoulder is damaged?
Not necessarily. Scan findings have to be read alongside your symptoms and an examination by a clinician.
Should I get a scan for shoulder pain?
NHS guidance in our sources says routine shoulder scans are not advised unless there is a treatment pathway. Ask your clinician why one is being suggested [R30].
Can exercise help a symptomatic tear?
Exercise can help pain and function in rotator cuff related shoulder pain, a group that includes symptomatic tears [R03]. Whether it changes the scan image isn't known from our sources.
Who can diagnose my shoulder?
A doctor, physiotherapist or other trained clinician who examines you can diagnose the cause of shoulder pain.
Sources
- Naunton J et al. (2020). Effectiveness of progressive and resisted and non-progressive or non-resisted exercise in rotator cuff related shoulder pain: systematic review and meta-analysis of RCTs. Clinical Rehabilitation. https://search.pedro.org.au/search-results/record-detail/61404
- Frontiers in Bioengineering & Biotechnology (2025). Specific modes of exercise to improve rotator cuff-related shoulder pain: systematic review and meta-analysis. https://pmc.ncbi.nlm.nih.gov/articles/PMC12011739/
- NHS Greater Glasgow & Clyde, Shoulder red flags; NHS MPFT self-help, Shoulder pain; BESS/BOA pathway summary (2021). https://pmc.ncbi.nlm.nih.gov/articles/PMC7905504
