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ToggleWhat Causes Shoulder Pain? Common Reasons Your Shoulder Hurts
The shoulder is one of the most mobile joints in the human body—but that mobility also makes it one of the most vulnerable to pain and injury.
Whether your shoulder pain started after lifting something heavy, playing sports, sleeping awkwardly, or seemingly out of nowhere, it can quickly make everyday tasks difficult. Reaching into a cabinet, fastening a seatbelt, getting dressed, or even sleeping comfortably may become painful.
At Infinite Wellness, we help patients throughout Edwardsville, Glen Carbon, Collinsville, Maryville, Troy, Highland, Granite City, and the Metro East identify the cause of shoulder pain and explore personalized, non-surgical treatment options whenever appropriate.
If you’re wondering why your shoulder hurts, here’s what you should know.
Why Does Shoulder Pain Happen?
Your shoulder isn’t just one joint—it’s a complex system made up of:
- Bones
- Muscles
- Tendons
- Ligaments
- Cartilage
- Bursa sacs
These structures work together to provide an incredible range of motion.
Because so many structures are involved, shoulder pain can have many different causes.
1. Rotator Cuff Injuries
The rotator cuff is a group of four muscles and tendons that stabilize the shoulder.
Over time, these tendons can become irritated, inflamed, or torn.
Symptoms often include:
- Pain when lifting your arm
- Weakness
- Difficulty reaching overhead
- Nighttime shoulder pain
- Pain when sleeping on the affected side
Rotator cuff problems are one of the most common causes of shoulder pain in adults.
2. Shoulder Tendonitis
Tendonitis occurs when tendons become inflamed from overuse or repetitive movement.
It’s especially common in:
- Athletes
- Painters
- Construction workers
- Individuals with repetitive overhead motions
Symptoms typically include:
- Aching pain
- Tenderness
- Pain during activity
- Mild swelling
3. Shoulder Bursitis
Small fluid-filled sacs called bursae help reduce friction inside the shoulder.
When these sacs become inflamed, movement becomes painful.
Common symptoms include:
- Pain with lifting
- Swelling
- Tenderness
- Reduced range of motion
Bursitis often occurs alongside rotator cuff irritation.
4. Frozen Shoulder
Frozen shoulder, also called adhesive capsulitis, develops when the shoulder capsule becomes thickened and tight.
Patients often experience:
- Progressive stiffness
- Limited movement
- Pain during everyday activities
- Difficulty reaching behind the back
Frozen shoulder typically develops gradually and may progress through several stages before improving.
5. Arthritis
Like the knees and hips, the shoulder can develop osteoarthritis over time.
As cartilage wears away, patients may notice:
- Joint stiffness
- Grinding sensations
- Pain with movement
- Reduced flexibility
Arthritis tends to develop gradually over several years.
6. Shoulder Impingement
Shoulder impingement occurs when tendons become pinched during movement.
This often causes:
- Pain when reaching overhead
- Weakness
- Pain while exercising
- Difficulty lifting objects
Without treatment, chronic impingement can sometimes contribute to rotator cuff injuries.
7. Referred Pain
Not all shoulder pain actually starts in the shoulder.
Pain can sometimes originate from:
- The neck
- Upper back
- Nerves
- Other nearby structures
That’s why a thorough evaluation is so important.
Treating the shoulder alone won’t solve the problem if the true source of pain is elsewhere.
When Should You See a Provider?
Minor muscle soreness often improves within several days.
However, you should schedule an evaluation if:
- Pain lasts longer than two weeks
- Your range of motion is decreasing
- You cannot lift your arm normally
- Pain wakes you at night
- Your shoulder feels unstable
- You notice weakness
- Daily activities become difficult
Ignoring persistent shoulder pain may allow the underlying condition to worsen over time.
How Is Shoulder Pain Diagnosed?
At Infinite Wellness, diagnosing shoulder pain starts with understanding exactly what’s causing your symptoms.
Your evaluation may include:
- Medical history
- Physical examination
- Range of motion testing
- Strength testing
- Orthopedic evaluation
- Functional movement assessment
- Imaging review, when appropriate
Our goal is to identify the underlying cause—not simply treat symptoms temporarily.
Non-Surgical Treatment Options
Not every shoulder problem requires surgery.
Depending on your diagnosis, conservative treatment may include therapies designed to:
- Improve mobility
- Reduce inflammation
- Restore function
- Improve strength
- Support tissue healing
- Reduce discomfort
Treatment recommendations are always personalized based on your diagnosis, activity level, and goals.
Can Chiropractic Care Help Shoulder Pain?
Sometimes.
If shoulder pain is related to spinal dysfunction, poor posture, or movement limitations, chiropractic care may be one component of a broader treatment plan.
However, every shoulder problem is different.
That’s why an accurate diagnosis should always come before treatment.
Tips for Preventing Shoulder Pain
While not every injury is preventable, healthy habits can reduce your risk.
These include:
- Strengthening your shoulder muscles
- Maintaining good posture
- Stretching regularly
- Warming up before exercise
- Avoiding repetitive overhead movements when possible
- Using proper lifting techniques
Small changes can help protect your shoulders over time.
Why Patients Choose Infinite Wellness for Shoulder Pain Treatment Near Edwardsville
Shoulder pain doesn’t just affect exercise—it affects nearly every movement you make throughout the day.
At Infinite Wellness, we focus on identifying the source of your pain and developing individualized treatment plans that support long-term function and mobility.
We proudly serve patients throughout:
- Edwardsville
- Glen Carbon
- Collinsville
- Maryville
- Troy
- Highland
- Granite City
- Belleville
- Metro East communities
Whether your pain began after an injury or developed gradually over time, our team is here to help you understand your options.
Frequently Asked Questions
Can shoulder pain go away on its own?
Some mild strains improve with rest, but persistent pain should be evaluated to determine the underlying cause.
Why does my shoulder hurt more at night?
Conditions like rotator cuff injuries and bursitis often become more noticeable when lying on the affected shoulder.
Do all rotator cuff injuries require surgery?
No. Many rotator cuff conditions can be managed with conservative treatment depending on the severity of the injury.
Can neck problems cause shoulder pain?
Yes. Conditions affecting the cervical spine can sometimes cause pain that radiates into the shoulder.
When should I seek treatment?
If pain limits your daily activities, lasts more than a couple of weeks, or is associated with weakness or loss of motion, it’s time to schedule an evaluation.
Don’t Let Shoulder Pain Hold You Back
Whether your shoulder pain is making it difficult to work, exercise, or simply get a good night’s sleep, you don’t have to ignore it.
At Infinite Wellness, we provide comprehensive evaluations and personalized treatment plans for patients seeking shoulder pain treatment in Edwardsville and throughout the Metro East.
Schedule your consultation today and let our team help you get back to moving comfortably and confidently.
