Why do shoulders hurt during training?

Shoulder pain during exercise is one of the most common signals you shouldn't ignore — it usually tells us that something in your technique, load or preparation needs adjusting. At Fabryka Ruchu in Rzeszów we often meet clients whose shoulder "speaks up" during presses, pull-ups or overhead exercises.

This article is for informational purposes only and does not replace a consultation with a doctor or physiotherapist. If the pain is sharp, persistent or worsening, consult a specialist.

Where does shoulder pain come from?

The shoulder is a very mobile, and therefore demanding, joint. The most common causes of discomfort are:

• technical errors — incorrect positioning of the shoulder blade and arm during movement
• overload — too much weight or volume, too little recovery
• lack of mobility — a stiff chest and thoracic spine limit overhead movement
• weak shoulder blade stability — the scapula "runs away" instead of forming a stable base
• an overworked rotator cuff — the small muscles that center the head of the upper arm bone

Often the problem doesn't come from a single cause but from a combination of several — for example limited mobility, weak scapular control and weight increased too quickly. That's why rest alone rarely solves it for good: once we return to the same habits, the pain usually comes back with them.

What to do when your shoulders hurt?

Before you reach for heavier weight, take care of the foundations:

• correct your technique — control the shoulder blade position and the path of the arm
• improve scapular control — learn to stabilize it, especially in overhead movements
• work on mobility of the chest and thoracic spine
• manage the load — reduce the weight, warm up properly and allow recovery
• don't skip the warm-up — prepare the shoulders and shoulder blades for work before your main sets

Tip: if a movement hurts, don't "push through" it. Change the range, position or load and watch how your body responds.

When to see a specialist?

Some discomfort eases after adjusting technique and load, but certain signals need assessment:

• sharp, stabbing pain or pain that persists despite training modifications
• a clear loss of range of motion or weakness
• pain that wakes you at night or radiates down the arm
• a feeling of "catching" or instability in the joint

In such cases, consult a specialist first and return to training only afterward. The sooner you respond, the easier it usually is to get back to full fitness — putting the problem off "for later" often only deepens it.

Train your shoulders wisely

At Fabryka Ruchu, as part of medical training, we assess movement patterns, select safe exercises and step by step rebuild the mobility and stability of the shoulder. We work so that pain stops limiting your training — rather than just masking the symptom. Instead of giving up exercise entirely, it's usually enough to modify it appropriately and return to full load gradually, once the shoulder is ready for it.

Want to return to exercise without shoulder pain? Sign up via Instagram or call +48 733 361 901. You can also fill out the contact form.