Introduction

Adhesive capsulitis, often called frozen shoulder, is a condition that affects the shoulder joint, causing pain and a reduced range of movement. It mainly affects adults and can make everyday tasks uncomfortable or even difficult. Understanding this condition is important because, when left unmanaged, it can seriously disrupt daily life by limiting mobility and causing ongoing pain. This article will explain the different stages of frozen shoulder, how to manage symptoms, practical ways to find relief, and why expert medical support is vital.

What Is Adhesive Capsulitis? Key Causes and Symptoms

Adhesive capsulitis happens when the tissues surrounding the shoulder joint become inflamed and thickened. This causes the joint capsule to tighten, making movement painful and difficult. The most noticeable symptoms are stiffness, a persistent ache, and a significantly reduced ability to move the shoulder. Many people find simple activities like dressing, reaching up, or even sleeping very challenging.

The causes of frozen shoulder can include injury to the shoulder, not moving the arm for a long time (perhaps after surgery or an accident), and certain health conditions such as diabetes. Research highlights that “Risk factors include diabetes, hyperthyroidism, prior fractures, shoulder and cervical spine surgery, and radiation therapy.” It typically affects those aged 40 to 60 and is slightly more common among women. Studies show that “the condition affects 2% to 5% of individuals, with higher rates in women.” Spotting these causes and symptoms early on can help people seek the right care sooner.

The Stages of Frozen Shoulder: What Happens Over Time

Frozen shoulder usually progresses through a few distinct stages, generally described as three key phases:

• Freezing Stage: This first phase involves gradual worsening of pain and stiffness. Movement becomes increasingly difficult and painful, often over several weeks or months.
• Frozen Stage: Here, the pain often eases but stiffness becomes more pronounced. The shoulder remains very stiff, making everyday movements a struggle.
• Thawing Stage: During the last phase, shoulder movement slowly returns as inflammation goes down and the tissues loosen. Recovery can take several months.

Experts state that “Clinically, adhesive capsulitis is classified into phases: freezing, frozen, and thawing.” Knowing these stages and recognising signs that the shoulder is beginning to improve can help patients and healthcare providers track progress and adjust treatments.

Practical Relief and Exercises: Managing Symptoms at Home

Most people find that frozen shoulder requires patience and gentle care. Although some search for a quick cure, it’s important to remember that recovery takes time.

Simple self-care steps include avoiding sudden or heavy shoulder movements, and regularly doing gentle range-of-motion exercises. Sleeping can be tricky, so adjusting your position to avoid pressure on the sore shoulder is helpful.

There are several exercises suitable for home practice, including pendulum swings, finger walks up a wall, cross-body arm stretches, passive rotation stretches, and shoulder blade squeezes. These can be especially suitable for older adults. Research supports that “early corticosteroid injections are associated with shortened symptom duration and improved functional scores.” For those who can’t use steroids, “extracorporeal shock wave therapy avoids potential metabolic complications from steroids.” Furthermore, studies have found that “all clinical outcomes improved significantly post-treatment and at follow-up, with most changes exceeding MCID thresholds and showing large effect sizes” when radial shock wave therapy is combined with physiotherapy. Interestingly, “higher BMI was significantly correlated with greater improvements” in symptoms and movement. While these treatments and exercises can help, it’s important to set realistic goals and seek expert advice when needed.

The Role of Imaging in Diagnosis and Management

Imaging plays an important role in diagnosing and managing frozen shoulder. While magnetic resonance imaging (MRI) is considered the gold standard, it is costly and not always easy to access in routine practice.

An accessible and effective alternative is musculoskeletal ultrasound, which offers real-time images and can guide treatment. Experts explain that ultrasound reveals key features such as “thickening of the coracohumeral ligament, fibrosis in the axillary recess, and abnormal tendon kinematics,” all of which help confirm the diagnosis. However, ultrasound “remains subject to operator expertise and technical variability.” As technology advances and techniques become standardised, ultrasound is likely to become even more central in understanding and treating adhesive capsulitis.

The Role of Clinical Support: Why Expertise Matters

While there are effective self-care strategies, professional support is often essential, especially when symptoms are severe or persistent. Professor Paul Lee, who has extensive experience in orthopaedics and rehabilitation, leads patient care at the London Cartilage Clinic. His background as a Royal College of Surgeons of Edinburgh Ambassador and Advisor ensures patients receive expert, high-quality care.

The London Cartilage Clinic provides personalised assessments and tailored treatment plans. For anyone struggling with ongoing shoulder pain and stiffness, consulting a specialist is a wise step. Non-surgical treatments often include physical therapy, anti-inflammatory medication, corticosteroid injections, extracorporeal shock wave therapy, and ultrasound-guided hydrodistention. For some patients, especially if symptoms persist after 9 to 12 months, surgical options like arthroscopic capsular release or manipulation under anaesthesia may be recommended. Both methods have proven effective in improving pain, movement, and function.

What works best will depend on the person’s individual condition and the stage of their frozen shoulder. That’s why consulting healthcare professionals is crucial for the best results.

Conclusion and Responsible Guidance

Adhesive capsulitis is a challenging but manageable condition involving painful shoulder stiffness that develops in stages. Understanding these stages, recognising key symptoms, and practising appropriate home exercises can help ease symptoms. Still, expert clinical support from specialists such as Professor Paul Lee at the London Cartilage Clinic remains invaluable — especially for more stubborn cases.

Every patient’s experience is unique, reinforcing the need for personalised medical advice and treatment. For tailored guidance, please consult a qualified healthcare professional.

References

• Mullen, J.P., Hauer, T.M., Lau, E.N., & Lin, A. (2025). Adhesive Capsulitis of the Shoulder. Arthroscopy: The Journal of Arthroscopic & Related Surgery, Advance online publication. https://doi.org/10.1016/j.arthro.2025.03.027
• Tache-Codreanu, D.-L., David, I., Butum-Cristea, M.-A., Tache-Codreanu, A.-M., Burcea, C.-C., Rusu, E., Tache-Codreanu, A., Olteanu, R., Poteca, T., & Sporea, C. (2025). The Role of Body Mass Index in Outcomes of Radial Shock Wave Therapy for Adhesive Capsulitis. Biomedicines, 13(9), 2117. https://doi.org/10.3390/biomedicines13092117
• Wu, W.-T., Chang, K., Mezian, K., Ricci, V., Gonzalez-Suarez, C.B., & Özçakar, L. (2025). Ultrasound in Adhesive Capsulitis: A Narrative Exploration from Static Imaging to Contrast-Enhanced, Dynamic and Sonoelastographic Insights. Diagnostics, 15(15), 1924. https://doi.org/10.3390/diagnostics15151924