Why Does My Shoulder Hurt?

08/05/2026

 

Shoulder pain is one of the most common musculoskeletal problems we see in practice. It can affect people of all ages and activity levels — from desk workers and gardeners to parents, athletes and older adults.

In most cases, shoulder pain is caused by irritation of the rotator cuff, stiffness through the upper back or shoulder blade, or gradual overload from everyday activities rather than a single traumatic injury. In some situations, conditions such as frozen shoulder can lead to increasing pain and significant stiffness over time.

The reassuring news is that most shoulder problems respond very well to the right assessment, hands-on treatment and targeted exercise, without the need for injections or surgery.

If your shoulder feels stiff, painful, weak, or is disturbing your sleep, understanding what’s going on is the first step toward feeling better.

 

Why is the shoulder so easy to upset?

The shoulder is designed for movement rather than stability. In fact, it has the greatest range of motion of any joint in the body, allowing us to reach overhead, behind our backs, across our bodies and out to the side.

That freedom of movement comes at a cost.

Unlike the hip, which sits deeply within a bony socket, the shoulder relies far more on:

  • Muscles (particularly the rotator cuff)
  • Coordination and timing between muscle groups
  • The shoulder blade moving smoothly on the rib cage
  • Good movement through the neck and upper back

When any part of this system becomes restricted, weak or overloaded, strain is often transferred to the shoulder itself.

Common contributing factors include:

  • Repetitive overhead or lifting activities
  • Prolonged desk work and sustained postures
  • Reduced movement in the neck or upper back
  • Fatigue or weakness of the rotator cuff muscles
  • A sudden increase in activity, exercise or workload

Because these factors often build up gradually, shoulder pain may appear “out of the blue”, even though the underlying strain has been developing for months.

 

What are the most common causes of shoulder pain?

Shoulder pain doesn’t automatically mean serious damage. Many common shoulder problems relate to irritation, overload or reduced movement rather than structural injury.

The most frequent shoulder issues we see include:

Rotator cuff–related pain

Often painful when lifting the arm, reaching overhead or reaching behind the back. Night pain is common and can disrupt sleep. Importantly, rotator cuff pain does not automatically mean a tear — many people have normal strength but pain due to overload or irritation.

Shoulder impingement–type pain

This often presents as a pinching or catching sensation when raising the arm. It’s frequently linked to stiffness in the shoulder blade, upper back or rib cage rather than a problem inside the joint itself.

Frozen shoulder (adhesive capsulitis)

A condition characterised by gradual onset of pain and progressive stiffness, with shoulder movement becoming restricted in all directions.

Instability or previous dislocations

Some people experience a feeling that the shoulder is unreliable or may “give way”, often following trauma or in people with naturally flexible joints.

AC joint pain

Pain on the top of the shoulder, often aggravated by lifting, pressing movements or sleeping on that side.

It’s also important to recognise that shoulder pain can be referred from elsewhere, particularly the neck or upper back. In these cases, treating the shoulder alone won’t fully resolve the problem.

 

Frozen shoulder: what patients need to know

Frozen shoulder — also known as adhesive capsulitis — is a common but often misunderstood cause of shoulder pain and stiffness. It typically affects adults between the ages of 40 and 65 and can have a significant impact on daily life.

Recent medical research has challenged some long-held assumptions about frozen shoulder and provides helpful insights for patients. 

https://www.amjmed.com/article/S0002-9343(26)00055-0/fulltext 

 

What actually happens in frozen shoulder?

Frozen shoulder isn’t simply tight muscles. It involves fibrosis and thickening of the shoulder joint capsule — the connective tissue that surrounds the joint and allows it to move smoothly.

Over time, this capsule becomes:

  • Thicker
  • Less elastic
  • Less able to stretch with movement

As a result, the mobility of the joint reduces and the shoulder becomes globally stiff.

Common features include:

  • Deep, persistent shoulder pain
  • Marked loss of movement in all directions
  • Difficulty with everyday tasks such as dressing or reaching
  • Night pain that often disturbs sleep

External rotation (turning the arm outwards) is often affected early and most severely, which is why activities like fastening a seatbelt or putting on a coat become difficult.

 

Is frozen shoulder really self-limiting?

Frozen shoulder has traditionally been described as a condition that “gets better on its own”. While some people do improve over time, newer evidence shows that many individuals experience prolonged symptoms and incomplete recovery, sometimes lasting several years without appropriate support.

This doesn’t mean everyone needs aggressive treatment, but it does highlight the importance of:

  • Early assessment
  • Clear explanation of what’s happening
  • Individualised management rather than a one-size-fits-all approach

Understanding the condition helps reduce fear and frustration and allows treatment decisions to be made at the right time.

 

Who is more at risk of frozen shoulder?

Frozen shoulder is more common in:

  • People with diabetes (both type 1 and type 2)
  • Those with thyroid conditions
  • Women more than men
  • People who have had prolonged shoulder immobilisation or surgery

It can affect both shoulders over time, although recurrence in the same shoulder is uncommon.

People with diabetes tend to experience more severe stiffness and longer-lasting symptoms, which is important to consider when planning treatment.

 

Do scans diagnose frozen shoulder?

Frozen shoulder is primarily diagnosed through your history and physical examination. The key feature is a global restriction of passive shoulder movement — meaning the shoulder won’t move freely even when the clinician moves it for you.

Scans such as X-rays or MRI are usually used to rule out other causes of shoulder pain, such as arthritis or significant rotator cuff tears, rather than to confirm frozen shoulder itself.

 

Do I need an assessment for shoulder pain?

A proper assessment is essential for effective treatment. Shoulder pain can look very similar on the surface but behave very differently depending on the underlying cause.

During an osteopathic assessment, we look at:

  • How and when the pain started
  • Whether symptoms came on suddenly or gradually
  • Which movements aggravate or ease symptoms
  • How your shoulder, neck and upper back move together
  • Posture, work setup and daily habits

Scans can be helpful in certain situations, but they are only one piece of the puzzle. Many scan findings are common in people without pain, so understanding how your symptoms behave in real life is crucial.

 

How does osteopathic treatment help shoulder pain?

Osteopathic treatment focuses on improving how the whole body moves, not just the painful shoulder. This approach is particularly important for shoulder problems because the shoulder relies on good movement elsewhere to function well.

Treatment is always tailored to the individual and may include:

  • Hands-on joint mobilisation to restore movement in the shoulder, spine and ribs
  • Soft tissue techniques to reduce muscle tension and improve comfort
  • Gentle osteopathic techniques to help calm the nervous system
  • Practical advice on posture, work setup and everyday activities

The aim is to reduce unnecessary strain on the shoulder, improve confidence in movement and create the right conditions for recovery.

 

How long does shoulder treatment take?

Recovery time varies depending on:

  • The type of shoulder problem
  • How long symptoms have been present
  • How irritable the shoulder is
  • Your general health and activity levels

Some people notice improvement within a few sessions, while others — particularly those with frozen shoulder — need a longer-term, more gradual approach.

We focus on realistic timelines and steady progress, rather than quick fixes or pushing through pain.

 

What can I do at home to help my shoulder?

Simple, targeted actions at home can make a meaningful difference when combined with treatment. The goal is to keep the shoulder moving safely while gradually rebuilding strength and confidence.

This may include:

  • Gentle mobility exercises for the shoulder and upper back
  • Progressive strengthening of the rotator cuff and shoulder blade muscles
  • Reducing prolonged static positions where possible
  • Gradually returning to normal activities rather than avoiding movement

Advice is always tailored to your specific shoulder problem and stage of recovery, particularly in conditions such as frozen shoulder where timing and load matter.

 

Do I need an injection or surgery?

Most shoulder problems improve with conservative care.

Injections can sometimes help settle pain when symptoms are very reactive — particularly in frozen shoulder — but they don’t address underlying movement or load issues.

Surgery is needed far less often than many people expect and is usually reserved for cases that haven’t improved after many months of appropriate, well-guided care.

Even when surgery is considered, improving movement and strength beforehand often leads to better outcomes.

 

Frequently asked questions about shoulder pain

How long does shoulder treatment take?
Recent or mild problems may improve within a few weeks. Longer-standing or complex conditions can take several months, with gradual, steady progress.

Do I need a referral to see an osteopath for shoulder pain?
No. Osteopaths are primary healthcare practitioners. If scans, injections or specialist input are needed, your osteopath can advise and liaise with your GP.

Will osteopathic treatment for shoulder pain hurt?
Treatment is adapted to your comfort levels. Some techniques may feel mildly uncomfortable at times, but it should not be painful.

Can I exercise while having treatment for shoulder pain?
In most cases, continuing or modifying exercise is encouraged. Complete rest often slows recovery. We’ll guide you on what to continue, adjust or temporarily avoid.

Do I need an X-ray or MRI for shoulder pain?
Many shoulder problems can be accurately assessed without imaging. Scans are usually only recommended if symptoms are severe, not improving as expected, or if serious pathology is suspected.

 

Ready to get your shoulder checked?

If shoulder pain is limiting your sleep, work or the activities you enjoy, early assessment can make a real difference.

Book an osteopathic assessment to address your shoulder pain.

Opening Hours

Monday - Friday 8.30-6pm

Closed Bank Holidays.

Selected Saturdays, please call for availability.

 

 

Appointments
Book an appointment
01747 851726
Shop online
Follow us on Facebook
Follow us on Instagram
Send us an e-mail