Blog · Shoulders

Shoulder pain when lifting your arm: what helps

By the Calm Joints physio team · Updated November 6, 2026 · 9 min read

Illustration of a person calmly reaching into a kitchen cupboard

Most people who feel a sharp or aching pain when they raise their arm have rotator-cuff-related shoulder pain, also called subacromial pain. The tendons that stabilize the shoulder have become sensitive to load.^[3]^[11] Research shows that graded exercise is the most reliable first step, and most people improve without injections or surgery.^[4]^[6]^[9] This post explains why it happens, what the evidence supports, and simple things you can try today. This is educational information, not personal medical advice.

Why does my shoulder hurt when I lift my arm?

The shoulder is a ball-and-socket joint that relies on four small muscles (the rotator cuff) and their tendons to keep the ball centred while you move. When those tendons are irritated—by a sudden increase in overhead work, desk posture, or just age-related changes—they become sensitive. Raising the arm compresses the sensitive tissue under the acromion, which is why the pain often appears between about 60 and 120 degrees of elevation.^[3]^[11]

This pattern is extremely common. It is the third most frequent musculoskeletal complaint in primary care, after low-back and neck pain. Most cases are not a full tear and do not require surgery. A 2026 review in JAMA Internal Medicine notes that once serious causes are ruled out, the natural history is favourable and first-line care is education, activity modification, and exercise.^[3]

Canadian readers will recognise the practical side: extended health benefits usually cover physiotherapy, and virtual visits are available in every province. You do not need a referral.

If the same shoulder wakes you at night, see shoulder pain at night. If motion is shrinking in every direction, how long does frozen shoulder last is the closer match. Morning neck ache that refers into the shoulder is covered in neck pain in the morning.

What the research says

Exercise is the intervention with the strongest and most consistent support.

A 2026 systematic review and meta-analysis of 21 randomised trials (1,152 middle-aged and older adults) found that exercise programs produced large improvements in pain and range of motion and moderate improvements in function.^[4]
A 2025 Bayesian network meta-analysis comparing seven exercise approaches ranked concentric strengthening highest for both pain and disability.^[5]
A 2026 British Journal of Sports Medicine network meta-analysis of 89 trials concluded that isolated shoulder-muscle exercises are a reasonable first-line approach; most add-on treatments do not clearly outperform them.^[6]
High-certainty evidence shows that arthroscopic subacromial decompression does not improve outcomes compared with placebo surgery or structured exercise.^[9]
Telerehabilitation (virtual physiotherapy) produces comparable or better improvements in range of motion and function than unsupervised home exercise for shoulder disorders, especially when continued beyond 12 weeks.^[10]

Guidelines from the Dutch Orthopaedic Association and the British Elbow and Shoulder Society both recommend exercise therapy as the primary treatment, with corticosteroid injection reserved for cases where pain prevents any loading.^[7]^[8]

In short: load the shoulder progressively, keep moving within tolerance, and most people get better.

If the pain has lasted more than two or three weeks, or if you want a clear plan instead of guessing, book a virtual visit with a registered physiotherapist at calmjoints.org. Most people leave the first visit with a short list of movements they can do at home and a better sense of what is safe.

Try this today

These four movements are drawn from publicly available NHS and Arthritis Society Canada resources.^[11]^[12] Start with the easiest. Stop if pain rises above a mild, temporary ache or if symptoms are worse the next morning. None of these is a diagnosis or a personal program.

1. Wall slides (gentle elevation)

Stand facing a smooth wall, feet shoulder-width apart. Place both hands on the wall at shoulder height, thumbs pointing toward you. Slowly slide your hands upward as far as comfortable, then lower. Do 8 to 10 repetitions, 2 to 3 times a day. Stop if you feel sharp pain or the shoulder feels unstable.

2. Scapular squeezes (posture reset)

Sit or stand tall. Gently draw your shoulder blades down and together, as if putting them in your back pockets. Hold 5 seconds, relax. Repeat 10 times, several times a day. This reduces the forward posture that increases tendon load.

3. Isometric external rotation (early strength)

Stand with your elbow bent 90 degrees and tucked at your side. Press the back of your hand gently into a wall or door frame without moving the arm. Hold 5 to 10 seconds, 8 to 10 repetitions. Keep the pressure light—this is about activation, not force.

4. Pendulum circles (if very sore)

Lean forward, supporting yourself with your good arm on a table. Let the sore arm hang. Make small, relaxed circles (clockwise then counter-clockwise) for 30 to 60 seconds. Gravity does the work.

Physio tip: None of these replaces a program matched to your shoulder. They are safe starters a physio can progress once they have seen how you lift and which positions settle the pain.

If these feel easy after a week, a registered physiotherapist can show you how to progress resistance safely.

When to see a physio

See a physiotherapist if the pain has lasted more than a few weeks, if you are avoiding normal activities (reaching into cupboards, putting on a coat, sleeping), or if you want a progressive loading plan tailored to your work or sport. A registered physiotherapist can sort subacromial pain from a stiff capsule, check the neck, and set a strength plan you can do at home.

Calm Joints visits are virtual, with registered physiotherapists, for people across Canada. Book a virtual visit at calmjoints.org. Many extended health plans cover physiotherapy, including virtual visits. Virtual physiotherapy is effective for this condition: multiple reviews show telerehabilitation improves pain, motion, and function for shoulder conditions and is often as effective as in-person care for exercise-based programs.^[10] For more on that evidence, see does virtual physiotherapy work.

Seek same-day medical care, and do not wait for a routine physio slot, if you have:^[3]^[8]

Sudden inability to lift the arm after a fall or heavy lift (possible acute tear).
Severe pain with fever, redness, or swelling.
Numbness, tingling, or weakness that travels down the arm.
Pain after a significant trauma.

In an emergency, call 911.

Want a plan built for your shoulder?

Book a virtual visit with a registered Calm Joints physiotherapist. We’ll check what’s safe when you lift, settle a short exercise plan, and help you load the shoulder at your pace.

Book a visit

Want tips like this in your inbox? Join “Get tips for sore joints” on calmjoints.org. It is education, not a substitute for a visit.

Frequently asked questions

Is this a rotator cuff tear?

Not necessarily. Many people with pain on lifting have tendon sensitivity or a partial-thickness change that responds to exercise. Imaging is rarely needed in the first few weeks unless there was trauma or true weakness. ^[3]

Will it get better on its own?

Many cases improve with time and continued movement, but structured exercise speeds recovery and reduces the chance of recurrence. Waiting months while avoiding use often makes the shoulder weaker and more sensitive. ^[3]^[4]

Should I get a cortisone injection?

Evidence shows injections can ease pain short-term but do not outperform exercise at longer follow-up and carry small risks. They are sometimes used to make exercise possible when pain is severe. ^[1]^[8]

Does cold weather make it worse?

Some people notice more stiffness in the cold, but the underlying issue is still load tolerance, not the temperature itself. Keep moving and dress the shoulder warmly if that helps you stay active.

Can virtual physiotherapy help?

Yes. Multiple reviews show telerehabilitation improves pain, motion, and function for shoulder conditions and is often as effective as in-person care for exercise-based programs. ^[10]

Sources

Keep reading

This article is for education. It is not personal medical advice, a diagnosis, or a treatment plan for you. A physiotherapist or physician who can assess you is the right person to diagnose shoulder pain. In an emergency, call 911.