18/06/2026
You've probably heard someone say "I've done my rotator cuff" - but most people have no idea what that actually means until it happens to them.
The truth is, your shoulder is the most mobile joint in your body. It can move in almost every direction, which is impressive - but it comes at a cost. Unlike the hip, which sits deep in a socket for stability, the shoulder is held together mostly by soft tissue.
The rotator cuff is the main group of muscles doing that work: four tendons wrapped around the joint, keeping the ball of your upper arm in place every time you reach, lift, or rotate your arm.
When one of those tendons is irritated, frayed, or torn, the whole system feels it.
It might show up as pain when you reach overhead, trouble sleeping on that side, or a shoulder that feels weak in ways that are hard to describe.
Sometimes it comes on after a fall. More often it builds gradually - years of repetitive movement, or simply age catching up with tissue that was never designed to last forever without some wear.
The good news is that not every rotator cuff injury ends in surgery. Many people do well with physiotherapy and the right management. But for tears that are large, persistent, or significantly affecting your quality of life, surgical repair is an option worth understanding.
If your shoulder has been bothering you for a while and you haven't had it properly assessed, a conversation with your GP is a reasonable starting point. They can arrange imaging and refer you to a specialist if needed.