
Understanding the Shoulder Joint
The shoulder (glenohumeral joint) is a highly flexible ball-and-socket joint where the head of the upper arm bone (humerus) fits into a shallow socket (glenoid) in the shoulder blade. Surrounding the joint is a strong, fibrous sheath of connective tissue known as the joint capsule. This capsule is lined with a smooth membrane (synovium) that produces fluid, allowing the humerus to glide smoothly.
Supporting Structures: The capsule is reinforced by ligaments, tendons, and the rotator cuff muscles, which collectively stabilize the arm while enabling an extraordinary range of motion. In a healthy shoulder, the joint capsule is loose and elastic, stretching effortlessly as you raise, reach, or rotate your arm.

Frozen Shoulder (Adhesive Capsulitis)
Frozen shoulder is an inflammatory and fibrotic condition affecting the connective tissue of the shoulder capsule.
Adhesive capsulitis begins when the synovial lining of the joint capsule undergoes inflammation. As this inflammatory state persists, it triggers abnormal collagen deposition, causing the capsule's normally flexible tissue to thicken, tighten, and contract. Over time, bands of scar tissue (adhesions) form inside the joint, severely limiting the space necessary for the humeral head to glide smoothly. Ultimately, this leads to a reduction in intra-articular volume, often shrinking the joint’s capacity and a decrease in shoulder joint mobility.
Frozen shoulder goes through three clinical stages:
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Painful (2 to 9 Months): Progressive onset of diffuse, severe shoulder pain that worsens at night and when sleeping on the affected side. Shoulder movement gradually narrows.
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Freezing (4 to 12 Months): Pain may plateau or slightly lessen, but stiffness becomes severe. Daily activities like overhead reaching, reaching behind the back, or dressing become nearly impossible.
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Thawing (12 to 36 Months): The stiffness slowly begins to improve, though complete spontaneous recovery without targeted treatment can take years or remain incomplete.

Risk Factors for Frozen Shoulder
While frozen shoulder can affect anyone, certain predisposing factors significantly increase risk:
Diabetes mellitus
Thyroid disorders
Prolonged Immobility (eg. stroke, postop immobilization)
Breast cancer treatment
40-60 years old
Women (more than men)
Treatment of Frozen Shoulder

While frozen shoulder (adhesive capsulitis) is technically a self-limiting condition that eventually resolves on its own, leaving it untreated means enduring severe pain and restricted movement for up to 3 years.
You don't have to wait years for your life to return to normal. Early, active treatment can significantly shorten your recovery timeline and restore your range of motion.
Non-Surgical Frozen Shoulder Treatments
Over 95% of frozen shoulder cases respond exceptionally well to non-surgical care. Depending on the stage of your condition, effective treatment options include:
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Targeted Physiotherapy: Exercises designed to regain flexibility and shoulder strength.
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Shoulder Hydrodilatation: A fast, non-surgical clinic procedure using guided fluid expansion to gently stretch the tight shoulder capsule and deliver immediate pain relief.
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Surgical Options (For less than 5% of cases): Manipulation under anesthesia (MUA) or arthroscopic capsular release when non-invasive methods aren't enough.

Shoulder Hydrodilatation
Shoulder Hydrodilatation is a minimally invasive, highly effective procedure designed to mechanically expand the contracted shoulder capsule. Performed under real-time ultrasound or fluoroscopic guidance, a mixture of local anesthetic, targeted anti-inflammatory corticosteroid, and saline is infused into the glenohumeral joint under controlled pressure.
The primary clinical goal of this high-volume fluid expansion is to stretch and rupture internal adhesions. This procedure helps to reduce joint inflammation and also increases the joint volume, therefore, restoring joint range of motion.
Why Choose Dr Christopher Liu?
With deep clinical expertise and a commitment to patient outcomes, Dr. Liu provides advanced, non-surgical solutions to help you with pain relief and regain shoulder mobility.
Ultrasound Expertise and Versatility
Advanced hydrodilatation performed under real-time ultrasound guidance for pinpoint accuracy. Apart from hydrodilatation, we also offer a wide range of shoulder interventional pain treatment such as SHAC blocks and pulsed radiofrequency.
Clinical Educator
Actively proctors other doctors and runs professional workshops on advanced musculoskeletal interventional pain techniques. Dr Liu is also the Pain Section editor for the Royal College of Anaesthesia's flagship journal BJA Education.
Same-Day Relief
Most patients receive comprehensive assessment and therapeutic injections in a single visit. Shoulder Hydrodilatation takes a few minutes to perform and is most commonly performed in our clinic's procedure suite.
Frozen Shoulder Focus
Specialized focus on restoring joint volume and rupture of adhesions without invasive surgery. Speak to us today to find out more.
Medisave & Insurance
Treatments offered at our clinic are evidence-based and are widely recognized treatments that are approved by Insurance Companies and Medisave. Reduce your out-of-pocket expenses through Medisave usage and insurance claims.
