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Shoulder impingement exercises
Shoulder impingement, now more often called subacromial pain syndrome, describes pain coming from the structures in the narrow space under the tip of the shoulder blade: the rotator cuff tendons and a small fluid-filled cushion called a bursa. The pain shows up as the arm is lifted towards or above shoulder height, or reached across the body.
The old explanation was that bone was pinching the tendon, and that idea has largely been set aside. It is now understood mainly as tendon and bursa that have been overloaded and become sensitive, usually after a change in overhead activity - a new job, a decorating spree, a block of swimming or throwing, or a return to the gym after time away.
Day to day it shows up as a painful arc: comfortable at the bottom of the movement, sore through the middle of the lift, often easier again at the very top. Reaching into the back seat of a car, washing hair, hanging out laundry and lying on that side at night are the usual complaints. The arm feels weak mostly because it hurts, not because anything has given way.
It is uncomfortable rather than harmful and it responds well to exercise, which is why loading is recommended long before injections or surgery. Most people improve noticeably over 6 to 12 weeks and keep building for a few months after that. This programme calms the painful arc first, then strengthens the rotator cuff and the muscles that steer the shoulder blade so the arm moves more efficiently, and finally rebuilds your tolerance for overhead work.
Who this programme is for
Adults with a painful arc of movement when lifting the arm, worse with overhead or reaching tasks, and no significant injury. If the arm suddenly became weak after a fall or heavy pull, get it checked for a cuff tear first.
Get checked by a clinician first if
- Sudden marked weakness lifting the arm after an injury - possible rotator cuff tear
- The shoulder looks an odd shape or cannot be moved after a fall
- Pins and needles or weakness spreading into the hand
- The shoulder is hot, red and swollen with a fever
- The pain followed a significant accident, fall or direct blow and you have not been checked over
- You feel unwell with the pain - a fever, night sweats, or losing weight without trying
- The area is hot, very swollen and red, especially if you also feel feverish
- Pain that is severe, steadily getting worse, or keeps you awake every night and does not ease with a change of position
Not sure it's this? Try a self-check
Quick movement tests you can try at home to see what your symptoms might point towards. A guide, not a diagnosis.
- Full Can TestThe supraspinatus, one of the four rotator cuff muscles
- Hawkins-Kennedy TestWhether the rotator cuff tendons are being pinched under the shoulder blade
- Painful Arc Self-CheckWhere in the range of lifting the arm out to the side the shoulder is irritable
The staged programme
Stage 1
Settle the pain
Start here while lifting the arm is sharply painful. Use gentle movement and light activation below the painful range, and reduce - but do not completely stop - overhead activity for a few weeks.
Stage 2
Build strength
As the painful arc eases, load the rotator cuff and shoulder-blade muscles two to three times a week, working through as much range as stays comfortable.
Stage 3
Return to activity
The final stage rebuilds overhead strength and endurance. Progress loaded pressing and weight-bearing work, and build your sport or job volume back up in steps.
How long recovery takes
Most people improve over 6 to 12 weeks with consistent exercise, and many settle fully within 3 to 4 months. Surgery is rarely needed and, for this problem, has not been shown to beat a good exercise programme.
Knowing when to progress
Progress when the painful arc has shrunk and exercises are not causing a next-day flare. Some discomfort within range is fine. Keep chipping away at the strengthening even once pain has gone, as that is what stops it returning.
Common questions
Is something being pinched in my shoulder?
The current understanding is that the tendon and bursa are overloaded and sensitive rather than being physically crushed by bone. That matters because it means the fix is loading and strengthening, not avoidance.
Should I stop lifting overhead?
Reduce it for a few weeks rather than stopping entirely, then rebuild gradually. Completely avoiding overhead movement tends to make the shoulder stiffer and weaker.
Do I need surgery or a scan?
Usually neither. Scans often show changes that are present in pain-free shoulders. Surgery is considered only if a fair trial of exercise over a few months has not helped.
How is this different from rotator cuff tendinopathy?
There is a lot of overlap and the two terms are often used for the same problem. The programmes are very similar - calm it down, then progressively load the cuff and shoulder blade.
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