When Shoulder Pain Starts to Change
Shoulder pain can be incredibly frustrating. At first it might just feel sore when you sleep on it. Then reaching overhead becomes uncomfortable. Eventually simple things start becoming difficult.
Putting on a coat feels awkward. Reaching behind your back becomes almost impossible. Fastening a bra or getting your arm into a sleeve suddenly feels restricted.
Many people assume they have strained something or slept badly. Others try to stretch through it, expecting movement to return.
But instead of improving, the shoulder gradually becomes stiffer.
This is often the point people begin to wonder.
Is this frozen shoulder?
Frozen shoulder is one of the most common causes of persistent shoulder pain and stiffness, and it follows a very recognisable pattern once you know what to look for.
Common Symptoms of Frozen Shoulder
Frozen shoulder is different from most shoulder injuries because pain and stiffness develop together.
Early on, pain is usually the main complaint. Many people notice discomfort when lying on the affected side, disturbed sleep, or aching that spreads down the upper arm.
As the condition progresses, loss of movement becomes more noticeable.
Day to day this often looks like:
- Difficulty reaching behind your back
- Struggling to put on a coat or jacket
- Trouble fastening clothing
- Reduced ability to reach overhead
- Difficulty washing or styling hair
- Unlike muscle injuries, movement does not just feel painful. It physically feels blocked.
People often describe the shoulder as stiff or stuck rather than weak.
Both active movement and assisted movement become limited, meaning even when someone else tries to move the arm, range remains restricted.
This progressive loss of movement is one of the key signs that differentiates frozen shoulder from rotator cuff irritation or general shoulder pain.
The Three Phases of Frozen Shoulder
Frozen shoulder typically develops in stages, although timelines can vary between individuals.
The first stage is known as the freezing phase.
During this period pain increases and movement gradually worsens. Everyday activities become more uncomfortable and sleep is often disturbed. Many people notice steady loss of range over weeks or months.
The second stage is the frozen phase.
Interestingly, pain often begins to settle during this stage. However, stiffness remains significant. Movement loss stabilises rather than continuing to decline, but the shoulder still feels restricted in most directions.
The final stage is the thawing phase.
Movement slowly begins returning. Function improves and activities that were previously difficult start to feel more normal again.
Without treatment, this entire process can last up to eighteen months or sometimes longer.
Why Frozen Shoulder Is Usually Easy to Diagnose
Despite how frustrating it feels, frozen shoulder is actually one of the easier shoulder conditions for physiotherapists to diagnose.
A detailed assessment looks at specific movement patterns, particularly external rotation of the shoulder. This movement is almost always significantly restricted in frozen shoulder.
Physiotherapists also assess capsular tightness within the shoulder joint. The joint capsule becomes stiff and contracted, creating the characteristic movement loss seen in this condition.
Because the limitation follows a predictable pattern, assessment quickly distinguishes frozen shoulder from tendon injuries or impingement related pain.
Early diagnosis is important.
The right treatment approach changes depending on which phase you are in. Hands on treatment, movement guidance, and staged rehabilitation can help manage symptoms and support recovery throughout each stage.
What Should You Do If You Think You Have Frozen Shoulder?
Frozen shoulder often improves over time, but without treatment symptoms can persist for well over a year.
Many people wait months hoping movement will suddenly return.
Getting assessed early provides clarity. You understand what stage you are in, what to expect next, and how to manage symptoms properly rather than aggravating the shoulder.
If your shoulder pain is accompanied by progressive stiffness or difficulty with everyday movements, a physiotherapy assessment is a good starting point.
You can book a discovery call to discuss your symptoms and find out whether frozen shoulder may be the cause and what the next steps should be.
Joe Sharp
BSc (Hons) Physiotherapy
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