Frozen Shoulder : The Complete Guide to Pain Relief and Movement Recovery
What Exactly Is Frozen Shoulder?
Frozen shoulder is a condition where the shoulder joint becomes progressively painful and stiff. The main tissue affected is the joint capsule, which is a sleeve of connective tissue that surrounds the shoulder joint and helps keep everything in place. In a normal shoulder, the capsule is loose and flexible in order to allow the huge range of movement available in the shoulder. But in frozen shoulder the capsule becomes inflamed and angry and then contracts and adheres itself to the underlying joint, almost like shrink wrap. So this is where it gets its medical name of adhesive capsulitis.
The Three Stages of Frozen Shoulder
Frozen shoulder will typically progress through 3 distinct stages. Understanding the timeline of the condition is crucial because treatment is tailored to the specific stage you are in.
Stage 1: The ‘Freezing’ Stage (The Painful Phase)
The defining symptom of this initial stage is pain. The shoulder becomes increasingly painful with movement, and the pain can be severe, especially at night, often disrupting sleep. This intense pain is due to active inflammation in the joint capsule. While the name “frozen shoulder” might sound minor, the pain during this phase can be one of the most significant in musculoskeletal medicine. This stage can last anywhere from one to six months.
Stage 2: The ‘Frozen’ Stage (The Stiff Phase)
During this stage, the intense pain begins to subside, which is often a significant relief. However, as the inflammation settles, the capsule becomes fibrotic and tight, leading to profound stiffness. You’ll likely find it difficult to lift your arm away from your body, raise it overhead, or reach behind your back. Everyday tasks like combing your hair, fastening a bra, or tucking in a shirt can become challenging. This is typically the longest stage, lasting an average of six to twelve months.
Stage 3: The ‘Thawing’ Stage (The Recovery Phase)
Finally, in the thawing stage, the stiffness gradually begins to resolve, and your range of motion starts to return. While this phase can take several months (or longer), most people experience a significant, if not complete, recovery over time.
The entire journey of a frozen shoulder can take between one and three years. The good news is that it is a self-limiting condition for most, meaning it will eventually get better.
Why Did I Get It? Understanding the Causes and Risks
While the exact trigger for frozen shoulder is often unclear, several factors are known to increase your risk:
- Age: It most commonly affects individuals between 40 and 60 years old.
- Sex: Women are slightly more likely to develop frozen shoulder than men.
- Medical Conditions: People with diabetes or thyroid disorders have a significantly higher risk. The link is particularly strong with poorly controlled diabetes.
- Immobility: The condition can sometimes be triggered by a shoulder injury or surgery, especially if the arm has been immobilised for a long period.
Crucially, frozen shoulder is a medical condition, not something you’ve caused through poor posture, sleeping awkwardly, or lifting a heavy object. It is usually not your fault. It’s also worth noting that if you’ve had a frozen shoulder on one side, there is a roughly 20% chance of developing it in the other shoulder within five years.
How is Frozen Shoulder Diagnosed?
A diagnosis of frozen shoulder is usually “clinical,” meaning it’s based on your specific symptoms and a physical examination. An X-ray might be ordered to rule out other problems that can mimic a frozen shoulder, such as arthritis or a fracture, but the X-ray itself will typically be normal in a case of frozen shoulder.
The most telling clinical sign is a significant loss of passive external rotation. This is the outward rotating movement of your shoulder. You can check this by tucking your elbows into your sides, bending them to 90 degrees, and then rotating your forearms outwards. An unaffected shoulder can typically rotate 70-90 degrees, whereas a frozen shoulder will be severely restricted, often moving only a few degrees.
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| A Typical Right Sided Frozen Shoulder |
What Are My Treatment Options?
Treatment focuses on two main goals: managing pain and then improving movement. The right approach depends on your stage. For some with mild symptoms, simply understanding the condition and its natural history is enough reassurance to let time be the main healer. For those with more severe symptoms, a more active approach is needed.
Managing the ‘Freezing’ (Painful) Stage
If you are in the early, painful stage, the priority is pain relief.
- Pain Medication: Over-the-counter painkillers like paracetamol and anti-inflammatories like ibuprofen can be very effective. The key is to take them regularly as directed on the packet (e.g., every 4-6 hours), not just “as needed.” This allows a therapeutic level to build up in your system. Always consult a pharmacist or doctor before starting new medication.
- Heat or Ice: Experiment with both Heat Packs and Ice Packs to see which provides more relief. There is no right or wrong choice; it’s about personal preference.
- Cortisone Injection: If your pain is severe and robbing you of sleep, a cortisone injection is often the most effective treatment. It delivers a powerful anti-inflammatory directly into the joint to “put the fire out.” This won’t fix the stiffness, but it can dramatically reduce pain. If possible, an injection performed under ultrasound guidance is preferable for accuracy.
Managing the Frozen Stage
Once the severe pain is under control, the focus shifts to restoring movement. The principle is “movement is medicine,” but it’s vital to start gently and not push aggressively into pain. Aim to keep any discomfort during exercises below a 4 or 5 on a 10-point pain scale.
Choose a few exercises that feel right for your stage and aim to do them consistently.
The following exercises can also be seen demonstrated in the video below.
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