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An Introduction to Shoulder Pain & Common Conditions

Published: August 7, 2026

Shoulder pain can make everyday activities like reaching overhead, lifting, or even sleeping uncomfortable. Because the shoulder is highly mobile, several different conditions can cause pain and the right treatment starts with the right diagnosis.

Here are four common shoulder conditions we assess and treat, and we are going to explore each of these conditions in more depth over the next 4 blogs this month! 

AC Joint Injury

The acromioclavicular (AC) joint sits at the top of the shoulder and can become painful following a fall, repetitive overhead activities, or arthritis. Pain is typically felt on the top of the shoulder, especially when reaching across the body or lifting.

Rotator Cuff Related Shoulder Pain (RCRSP)

The rotator cuff is a group of muscles and tendons that help move and stabilise the shoulder. Pain often develops gradually with overhead activities, lifting, or repetitive use, and may make everyday tasks and sleeping on the affected side uncomfortable.

Frozen Shoulder (Adhesive Capsulitis)

Frozen shoulder causes increasing pain and stiffness, making it difficult to move the shoulder in all directions. It commonly affects people between 40 and 60 years of age and often develops without a specific injury.

Atraumatic Shoulder Instability

Some people experience a shoulder that feels loose or unstable without a major injury. This condition is more common in younger individuals and those with naturally flexible joints, often causing discomfort during overhead movements or sport.

How Our Physiotherapists Can Help

A thorough physiotherapy assessment can identify the cause of your shoulder pain and guide the most appropriate treatment. Whether your goal is returning to work, sport, or everyday activities, we'll develop an individualised plan to help you regain movement, strength, and confidence. Please keep an eye out over the next month for a separate blog discussing these conditions in further depth!

Website: https://www.backinmotion.com.au/como

Phone Number: 9313 3414

This blog is written by Mathew Piccoli, Senior Physiotherapist at Back In Motion Como