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Shoulder Pain Treatment
in Horsham
Is It a Frozen Shoulder?

Not Every Stiff Shoulder Is Frozen

If your shoulder feels painful, tight, or difficult to move, it’s natural to wonder:

“Is this a frozen shoulder?”

The truth is — many shoulders labelled as frozen are not actually adhesive capsulitis.

A true frozen shoulder is specific.
And it behaves in a predictable way.

Understanding the difference matters, because treatment depends on it.

What Is a True Frozen Shoulder?

A genuine frozen shoulder (adhesive capsulitis) involves:

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  • Inflammation of the joint capsule

  • Thickening of the capsule

  • Global restriction of movement

  • Significant loss of external rotation

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The key sign is this:

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Even when someone else moves your shoulder, it still won’t go much further.

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That’s capsular restriction.

Common Conditions Mistaken for Frozen Shoulder

Many painful shoulders are actually caused by:

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  • Rotator cuff tendinopathy from overreaching

  • Subscapularis pulling the shoulder forward

  • Inflammation of the anterior deltoid

  • Biceps tendon irritation at the front of the shoulder

  • Postural overload from desk work

  • Mild brachial plexus irritation

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These can feel tight and restricted.

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But they are not true frozen shoulder.

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They are often mechanical overload patterns.

Hand, arm pain and injury with a man shoulder in red highlight during a fitness workout He

Simple Signs It May Not Be Frozen Shoulder

It may not be frozen shoulder if:

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  • Someone can move your arm further than you can

  • The range varies day to day

  • It improves with warming up

  • Pain is sharp rather than deeply stiff

  • Movement feels painful but not physically blocked

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These patterns usually indicate muscular or tendon-related restriction.

How Frozen Shoulder Typically Progresses

True frozen shoulder often follows stages:

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  1. Increasing pain over weeks

  2. Progressive stiffness

  3. Severe loss of rotation

  4. Gradual thawing over months

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It can take 12–24 months to fully resolve.

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Which is why accurate assessment is important.

Why Self-Diagnosis Can Delay Recovery

If a muscular restriction is mistaken for frozen shoulder:

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  • People often avoid movement unnecessarily

  • Strength decreases

  • Compensation patterns increase

  • Neck and upper back tension develop

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Equally, if true adhesive capsulitis is ignored, stiffness can worsen.

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Differentiation matters.

How Assessment Works

In clinic, assessment involves:

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  • Comparing active and passive movement

  • Testing external rotation

  • Assessing end-feel of the joint

  • Evaluating rotator cuff and tendon involvement

  • Checking thoracic and pelvic mechanics

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From there, treatment is structured accordingly.

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Frozen shoulder requires a different approach from tendon overload.

Woman with shoulder pain. Take the handle at the shoulder to show the shoulder pain._The c

When to Seek Assessment

Consider evaluation if:

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  • Your shoulder has progressively stiffened

  • External rotation is significantly reduced

  • Pain disturbs sleep

  • Symptoms have lasted more than a few weeks

  • You’re unsure what’s actually going on

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Early clarity prevents months of uncertainty.

Book a Shoulder Assessment in Horsham

If you’re asking, “Is it a frozen shoulder?” — the next step is structured assessment.

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Accurate diagnosis guides the correct treatment pathway.

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Book your shoulder assessment today.

Shoulder Injury

FAQ: Is It a Frozen Shoulder?

  • How do I know if I have a frozen shoulder?

A true frozen shoulder usually involves significant stiffness in all directions, especially difficulty rotating the arm outward. The movement feels physically blocked, not just painful.

  • What is the main symptom of frozen shoulder?

Progressive stiffness combined with persistent shoulder pain, often worse at night. External rotation is usually the most limited movement.

  • Can I still move my arm with frozen shoulder?

Yes, but movement is restricted in both active and passive range. Even when someone else moves your arm, it won’t go much further.

  • What if my shoulder is painful but still moves?

If passive movement is greater than what you can achieve yourself, it’s more likely muscular or tendon-related rather than true adhesive capsulitis.

  • Can rotator cuff tendinitis feel like frozen shoulder?

Yes. Rotator cuff irritation can limit movement due to pain, creating a “frozen” sensation without capsular restriction.

  • Does frozen shoulder come on suddenly?

Usually no. It often develops gradually over weeks with increasing pain followed by progressive stiffness.

  • Why is my shoulder worse at night?

Inflammation within the joint capsule or irritated tendons can increase discomfort when lying still, especially when sleeping on the affected side.

  • How long does frozen shoulder last?

A genuine frozen shoulder often progresses through phases and can last 12–24 months, although symptoms vary between individuals.

  • Should I keep moving my shoulder if I suspect frozen shoulder?

Gentle movement is usually beneficial, but forcing range aggressively can increase irritation. Proper assessment helps guide safe progression

  • Why does my shoulder feel locked when reaching behind my back?

Internal rotation dominance, subscapularis tightness, or capsular involvement can restrict this movement.

  • When should I get it checked?

If stiffness is progressive, sleep is disturbed, or range of motion is clearly reducing over weeks, assessment is advisable.

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