What MRI shoulder looks for

Overview

An MRI (magnetic resonance imaging) of the shoulder is a safe scan that uses a strong magnet and radio waves to create detailed pictures of the bones, muscles, tendons, and other soft tissues inside your shoulder joint. It helps doctors find the cause of shoulder pain, stiffness, or weakness.

Shoulder MRI is a common test when other imaging like X-rays do not give enough information.

It is used for people of all ages who have shoulder problems that do not get better with rest or simple treatments.

Symptoms

Common symptoms

• Persistent shoulder pain that does not go away with rest
• Weakness when lifting your arm
• A feeling that your shoulder is unstable or might pop out
• Clicking, grinding, or catching sensation in the shoulder
• Swelling or tenderness around the shoulder joint

Symptoms in children

• Shoulder pain after a fall or sports injury
• Difficulty moving the arm normally
• Recurring shoulder dislocations

Symptoms in older adults

• Gradual onset of shoulder pain and stiffness
• Pain at night that disturbs sleep
• Reduced ability to reach overhead or behind the back

Causes

Main causes

• Rotator cuff tear – a tear in the muscles and tendons that help lift and rotate your arm
• Labral tear – damage to the ring of cartilage that stabilises the ball and socket joint
• Arthritis – wearing away of cartilage in the shoulder joint
• Bursitis – inflammation of the fluid-filled sacs that cushion the joint
• Frozen shoulder – thickening and tightening of the joint capsule
• Fracture – a break in the shoulder bones, especially if not seen on X-ray

Risk factors

• Repetitive overhead activities (sports like tennis, swimming, or jobs like painting)
• Previous shoulder injury or dislocation
• Increasing age
• Obesity
• Poor posture

When to see a doctor

See a doctor urgently if:

• If you have sudden, severe pain and cannot move your arm after an injury
• If you have a fever along with shoulder pain

Book a routine appointment if:

• If you have ongoing shoulder pain that has not improved after a few weeks of rest and home care
• If you notice weakness or difficulty with daily tasks like dressing or lifting

Diagnosis

Your doctor will first ask about your symptoms and examine your shoulder. If they suspect a deeper problem, they may order an MRI to get a clear picture of the soft tissues.

Tests that may be done

• Physical examination
• X-ray (to check for bone problems)
• Shoulder MRI (the main imaging test to see soft tissues)

What to expect at your appointment

During the scan, you lie on a table that slides into a tunnel-like machine. You need to stay very still. The scanner makes loud knocking noises, but you’ll be given earplugs or headphones. The test is painless. Some people may need an injection of contrast dye to make certain structures show up better.

Treatment

Treatment depends on what the MRI shows. Options range from rest and physical therapy to medication or, in some cases, surgery.

Self-care at home

• Rest the shoulder and avoid activities that cause pain
• Apply ice packs for 15-20 minutes several times a day for the first few days
• Gentle range-of-motion exercises as advised by a physiotherapist
• Over-the-counter pain relievers (talk to your pharmacist or doctor)

Medical treatments

Your doctor may recommend physical therapy to strengthen the muscles around the shoulder. Anti-inflammatory medicines (such as ibuprofen) can help with pain and swelling. In some cases, a corticosteroid injection into the joint can reduce inflammation. These treatments are always discussed with your healthcare provider.

When is surgery considered?

Surgery may be considered if there is a large rotator cuff tear, a labral tear that causes instability, or if other treatments have not worked after several months. Arthroscopic surgery is a common minimally invasive option.

Living with this condition

Living with a shoulder problem can be frustrating, but many people improve with treatment. Follow your doctor's advice and attend any therapy sessions.

Lifestyle tips

• Avoid heavy lifting and sudden overhead movements until you heal
• Use good posture to reduce strain on your shoulders
• Sleep with a pillow under your affected arm or on your back to take pressure off the joint

Diet and exercise

Eating a balanced diet rich in fruits, vegetables, and lean protein supports healing. Low-impact exercises like walking, swimming, or using an exercise bike can keep you active without stressing your shoulder. Always check with your physiotherapist before starting new exercises.

Mental health and emotional wellbeing

Chronic shoulder pain can affect your mood, sleep, and ability to do things you enjoy. It's normal to feel frustrated. Talk to your doctor if pain is affecting your mental health – they can suggest resources or counselling.

Prevention

Not all shoulder problems can be prevented, but you can reduce your risk by keeping your shoulder muscles strong and flexible, using proper technique during sports, and warming up before activity.

Complications

If left untreated

• Chronic pain and stiffness that limits movement
• Weakening of shoulder muscles
• Progression of arthritis or tendon damage
• Instability that leads to repeated dislocations

Long-term outlook

With proper diagnosis and treatment, most shoulder problems get better. Even if you need surgery, many people return to their usual activities within a few months. Your doctor will guide you on the best path for your situation.

Find support

International organisations

• Arthritis Foundation ↗
• NHS – Shoulder pain ↗

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