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What Causes Shoulder Pain? Common Shoulder Conditions and Treatment Options

by The Bodyworks Team | Nov 11, 2026 | Orthopedic Conditions, Shoulder Pain

Shoulder pain can make everyday activities more difficult than they should be. Reaching overhead, lifting groceries, getting dressed, exercising, or even sleeping can become uncomfortable when your shoulder isn’t moving properly.

Shoulder pain can develop gradually from overuse, appear suddenly after an injury, or become more noticeable as a condition progresses. While occasional soreness may improve with rest, persistent shoulder pain, weakness, or limited mobility may be a sign that something more needs to be addressed.

At Bodyworks Physical Therapy, we help patients identify what’s contributing to their shoulder pain and develop individualized treatment plans designed to reduce pain, restore movement, and improve strength.

If you’re dealing with ongoing shoulder pain, understanding some of the most common causes can help you determine when it’s time to seek professional care.

What Causes Shoulder Pain?

The shoulder is one of the most mobile joints in the body. It allows your arm to move in many different directions, but that mobility also means the shoulder relies heavily on muscles, tendons, ligaments, and other structures to provide stability. Shoulder pain can be caused by:

  • Repetitive overhead activities
  • Sports injuries
  • Falls or other trauma
  • Overuse
  • Muscle weakness
  • Tendon irritation
  • Joint degeneration
  • Poor movement mechanics
  • Post-surgical changes

Sometimes, shoulder pain has an obvious cause. Other times, it develops gradually without a specific injury.

Common Shoulder Conditions

Several orthopedic conditions can cause shoulder pain. Some of the most common include rotator cuff injuries, shoulder tendinopathy, bursitis, frozen shoulder, arthritis, and labral injuries.

Rotator Cuff Injuries

The rotator cuff is a group of four muscles and their tendons that help stabilize the shoulder and control arm movement. Repetitive overhead activity, lifting, sports, or a sudden injury can irritate or damage these tissues. Rotator cuff problems may cause:

  • Pain when lifting or reaching
  • Shoulder weakness
  • Difficulty reaching overhead
  • Pain when sleeping on the affected side
  • Limited range of motion

Physical therapy can help improve shoulder strength, mobility, and control. Treatment may include progressive strengthening, mobility exercises, shoulder blade stabilization, and movement retraining.

Shoulder Tendinopathy

Shoulder tendinopathy occurs when a tendon becomes irritated or is unable to tolerate the demands being placed on it. It can develop gradually from repetitive activity or after a change in exercise, work, or sports demands.

Treatment typically focuses on gradually improving the shoulder's ability to tolerate activity through progressive strengthening and load management.

A physical therapist can help determine which movements may be contributing to your symptoms and develop a plan to safely build your shoulder's strength and capacity.

Shoulder Bursitis and Impingement

Bursitis occurs when a bursa, a small fluid-filled sac that helps reduce friction around the joint, becomes irritated. Shoulder impingement may also cause pain during certain movements, particularly reaching overhead. Symptoms can include:

  • Pain when reaching overhead
  • Pain when lifting
  • Shoulder tenderness
  • Difficulty sleeping
  • Pain during exercise or sports

Rather than simply avoiding movement, physical therapy focuses on improving how the shoulder moves and gradually building strength and tolerance.

Treatment may include strengthening exercises, mobility work, manual therapy, activity modification, and movement retraining.

Frozen Shoulder

Frozen shoulder, also called adhesive capsulitis, causes pain and significant stiffness in the shoulder. Movement can become increasingly limited, making everyday activities such as getting dressed or reaching for objects difficult.

Frozen shoulder typically progresses through different stages and can take time to resolve. Physical therapy can help maintain and gradually improve mobility while addressing pain and helping you regain function. Treatment may include:

  • Gentle stretching
  • Range-of-motion exercises
  • Joint mobilization
  • Pain management strategies
  • Progressive strengthening
  • Functional movement training

Shoulder Arthritis

Shoulder arthritis occurs when the cartilage within the joint gradually changes, which can lead to stiffness, aching, and reduced mobility. You may notice shoulder arthritis through:

  • Pain with movement
  • Morning stiffness
  • Reduced range of motion
  • Difficulty reaching overhead
  • A grinding or catching sensation

While physical therapy cannot reverse arthritis, it can help you maintain mobility, strengthen the muscles supporting the shoulder, and modify activities to reduce stress on the joint.

Labral Injuries

The labrum is a ring of cartilage that helps deepen the shoulder socket and provide stability. Labral injuries can occur after trauma, falls, dislocations, or repetitive overhead activities. Symptoms may include:

  • Shoulder pain
  • Clicking or catching
  • A feeling of instability
  • Reduced strength
  • Pain with overhead activity

Depending on the injury and your goals, physical therapy may include shoulder stabilization exercises, strengthening, movement retraining, and activity modification.

When Should You See a Physical Therapist for Shoulder Pain?

Not every episode of shoulder soreness requires physical therapy. However, it may be worth scheduling an evaluation if your shoulder pain:

  • Doesn't improve with rest or simple activity changes
  • Continues to come back
  • Makes it difficult to sleep
  • Limits your range of motion
  • Causes weakness
  • Interferes with work or exercise
  • Makes everyday activities difficult
  • Started after an injury
  • Is getting progressively worse

Early evaluation can help identify what's contributing to your symptoms and give you a clearer path forward.

How Physical Therapy Can Help Shoulder Pain

Physical therapy isn't simply about treating pain. The goal is to understand why the shoulder isn't functioning the way it should and address the factors contributing to the problem. At Bodyworks Physical Therapy, treatment may include:

  • Manual therapy
  • Therapeutic exercise
  • Progressive strengthening
  • Mobility exercises
  • Shoulder stabilization
  • Movement retraining
  • Postural education
  • Activity modification
  • Home exercise programs
  • Return-to-work or return-to-sport progression

Your treatment plan will depend on your diagnosis, symptoms, activity level, and goals.

Looking Beyond the Shoulder

Shoulder movement doesn't happen in isolation. Your neck, upper back, shoulder blade, and surrounding muscles all influence how your shoulder moves.

That's why a physical therapy evaluation looks at more than just where it hurts. Your therapist may assess your range of motion, strength, posture, shoulder blade mechanics, and functional movement to better understand what's contributing to your symptoms.

Addressing these factors can help you move more comfortably and reduce the likelihood of recurring problems.

Can Physical Therapy Help You Avoid Shoulder Surgery?

Depending on the condition, physical therapy can often be an effective conservative treatment option. Many people with shoulder tendinopathy, bursitis, impingement, arthritis, and certain rotator cuff conditions can improve with appropriately prescribed exercise and rehabilitation.

For individuals who do need surgery, physical therapy can also play an important role before and after the procedure by helping restore strength, mobility, and function.

Your treatment plan should be based on your specific condition and goals.

Find Relief from Shoulder Pain in Fargo

Shoulder pain doesn't have to become something you simply learn to live with. Whether you're dealing with an injury, overuse, stiffness, weakness, or a diagnosed shoulder condition, understanding what's contributing to your symptoms is an important first step.

At Bodyworks Physical Therapy, we provide individualized care to help patients reduce shoulder pain, restore mobility, build strength, and return to the activities they enjoy.

If shoulder pain is affecting your work, workouts, sleep, or everyday life, learn more about shoulder pain physical therapy in Fargo or request an appointment with our team.

Further Reading