Author: Bennette Paul D. Campano, PTRP, CPT-CES
If you feel a sharp pain right on the top of your shoulder during bench, overhead press, dips, or push-ups, there’s a good chance you’re not dealing with a rotator cuff problem.
You might be dealing with the AC joint.
The frustrating part is that AC joint pain can start as a mild annoyance, then slowly become the reason you can’t press heavy, can’t sleep on that side, and can’t even do basic upper body training without flaring it up.
What the AC Joint Is (And Why Lifters Irritate It)
The acromioclavicular joint, AC joint, is where your collarbone meets the top of your shoulder.
It can get irritated when:
Pressing volume is high, especially bench and dips
You use ranges that compress the joint, like deep dips or very wide grip bench
Your scapula doesn’t move well, so the joint takes more stress
You keep training through pain and inflammation builds
Signs It Might Be AC Joint Pain
Common signs include:
Pain right at the top of the shoulder, very pinpoint
Pain with cross-body movements, like reaching across your chest
Pain at lockout or the top of pressing
Discomfort when sleeping on that shoulder
The Mistake That Makes It Chronic
A lot of people keep hammering pressing volume because the shoulder still feels strong.
But AC joint irritation is often volume-sensitive. If you keep compressing it, it can stay inflamed and stubborn for a long time.
How to Fix It Without Losing All Your Training
A smarter plan usually includes:
Temporarily modifying pressing volume and painful ranges
Adjusting grip width and exercise selection
Rebuilding scapular mechanics and upper back strength
Gradually reloading pressing patterns as symptoms settle
How Physiotherapy Can Help at Cristini Athletics Therapy
At Cristini Athletics Therapy, we help you identify whether your pain is AC joint irritation, rotator cuff overload, or a combination.
Then we build a plan that keeps you training while protecting the joint, so you’re not stuck in a cycle of flare-ups.
Article takeaways
Top-of-shoulder pain during pressing is often AC joint irritation, not just a rotator cuff issue, and it can become stubborn if you keep compressing it with high-volume bench, dips, and wide grip work. The fix is usually smart load management, technique and range modifications, and rebuilding scapular mechanics so the joint isn’t taking unnecessary stress. If you want a plan that keeps you lifting while your shoulder calms down and rebuilds tolerance, you can book in Woodbridge:
Benno is a physiotherapist registered in the Philippines (PTRP) and is now working in Canada as a trainer and Corrective Exercise Specialist (ISSA). He specializes in bridging rehab to performance, helping people go from post-op or persistent pain back to confident training, work, and sport. He’s passionate about helping clients move better, recover smarter, and reach their goals with a plan that’s practical, progressive, and individualized.
