Shoulder pain is an incredibly common complaint, affecting our ability to lift, reach, work and even sleep comfortably. The shoulder is a complex joint, involving three bones, a network of muscles, tendons and ligaments that allow for a huge range of motion. This complexity, however, also makes it vulnerable to injury and everyday strain.

If you’re struggling with ongoing shoulder discomfort, understanding the potential source of your pain is the first step toward effective treatment.

Here are a list of five common reasons people experience shoulder pain:

Rotator Cuff Tendinopathy (Tendonitis)

The rotator cuff is a group of four muscles and their tendons that surround the shoulder joint, providing stability and allowing you to lift and rotate your arm.
• The Issue: Tendinopathy (often called tendonitis) occurs when these tendons become irritated or inflamed. This usually happens from repetitive overhead activities (like painting, swimming or throwing) or sudden injury.
• The Symptoms: You may feel a dull ache deep in the shoulder, which worsens when lifting your arm or reaching behind your back. Pain is often worse at night, particularly when lying on the affected side.

2. Biceps Tendinopathy (The Long Head of the Biceps)

The biceps muscle has two tendons that attach it to the shoulder joint. The long head of the biceps tendon is a common site of inflammation and pain as it travels through a groove in the upper arm bone and attaches to the top of the shoulder socket.
• The Issue: This tendon can become irritated or inflamed (tendinopathy/tendinitis) due to repetitive overhead motions (like throwing or swimming) or as a result of other associated shoulder problems, like rotator cuff tears or joint instability.
• The Symptoms: Pain and tenderness are specifically located in the front of the shoulder. This pain often worsens with overhead lifting, reaching backward (like putting on a seatbelt) or when lifting and carrying heavy objects.

3. Frozen Shoulder (Adhesive Capsulitis)

A frozen shoulder is a debilitating condition that causes pain and a significant loss of motion in the shoulder joint. It typically progresses through three stages: freezing, frozen and thawing.
• The Issue: The capsule of connective tissue surrounding the joint thickens and tightens, restricting movement. The exact cause is often unknown, but it is more common in people with diabetes or those who have had prolonged immobilisation after an injury or surgery.
• The Symptoms: Severe, aching pain in the early “freezing” phase, followed by progressive stiffness that limits all movement, even though the pain may decrease in the “frozen” phase.

4. Osteoarthritis

While the shoulder is less prone to “wear and tear” arthritis than weight-bearing joints like the knee or hip, it can still develop osteoarthritis, particularly in the acromioclavicular (AC) joint at the top of the shoulder.
• The Issue: The smooth cartilage protecting the ends of the bones gradually wears away, leading to friction, pain and stiffness.
• The Symptoms: Chronic, deep-seated pain that is often described as a constant ache. Stiffness and reduced range of motion are common, particularly with pushing or pulling movements.

5. Postural and Neck Referral Pain

Not all shoulder pain originates in the shoulder joint itself. Issues in the neck (cervical spine) or poor posture can frequently refer pain down into the shoulder and shoulder blade area.
• The Issue: Tight muscles and restricted joints in the neck and upper back, often due to prolonged desk work or driving, can irritate the nerves that travel to the shoulder. This often creates a feeling of persistent tension or a dull, burning ache.
• The Symptoms: Pain that is often accompanied by neck/shoulder stiffness or headaches. The pain may follow a track down the side of the neck into the top of the shoulder or shoulder blade.

If you’re dealing with shoulder pain, ignoring it is rarely the best approach. Our osteopathic and allied healthcare approach looks beyond the immediate painful spot to understand the underlying causes, whether they are related to muscle imbalance, joint restrictions or postural issues.

Through a detailed assessment, we can identify which structure is causing your pain and create a personalised treatment plan using hands-on techniques such as soft tissue massage, joint mobilisation and tailored exercise prescription to help restore movement and reduce discomfort.

Ready to get your shoulder finely tuned?
Book an appointment online today to discuss your shoulder pain and start your path toward recovery. We are ACC registered and here to help.