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Shoulder Tendonitis
Shoulder tendonitis is a common cause of shoulder tendon pain and develops when one or more tendons in the shoulder become irritated or overworked. Tendons connect muscle to bone and play an important role in controlling shoulder movement during lifting, reaching, and overhead activity.
In the shoulder, tendonitis most often affects the rotator cuff tendons, which help guide and stabilize arm movement. Shoulder tendonitis typically develops gradually rather than from a single injury and is commonly associated with repetitive use, overuse, or sudden increases in activity.
This page focuses on tendon-related shoulder pain, including rotator cuff tendonitis, and how physical therapy can help restore comfort, strength, and movement tolerance.
How Physical Therapy Helps Shoulder Tendonitis
Physical therapy for shoulder tendonitis focuses on helping irritated tendons gradually tolerate activity again, rather than avoiding movement altogether.
Care may include:
- Evaluation of shoulder movement and activity demands
- Exercises to improve mobility without overstressing the tendon
- Progressive strengthening to rebuild tendon capacity
- Scapular (shoulder blade) coordination and control training
- Guidance on modifying activity during recovery
Instead of focusing only on inflammation, physical therapy addresses how much load the tendon can safely tolerate and helps build strength and endurance so everyday movements feel easier over time.
Common Contributors To Shoulder Tendonitis
Shoulder tendonitis is often influenced by a combination of activity demands and how the shoulder is used over time. Common contributors may include:
- Repetitive shoulder use, especially lifting or overhead activity
- Overuse or sudden increases in activity, such as new workouts or job demands
- Reduced shoulder strength or endurance, leading to tendon overload
- Poor shoulder or shoulder blade coordination during movement
- Limited movement variety, including prolonged or repeated positions
- Inadequate recovery time between activities
These contributors affect how much load the tendon is required to tolerate and can gradually lead to tendon irritation and shoulder tendon pain.
Symptoms You May Experience
People with shoulder tendonitis may experience:
- Aching or sharp shoulder pain during movement
- Pain with lifting or reaching away from the body
- Weakness or fatigue in the arm
- Soreness after activity or the next day
- Discomfort that builds with continued use
Symptoms often fluctuate and are closely linked to how the shoulder is used throughout the day.
Shoulder Tendonitis Conditions We Treat
Shoulder tendonitis may occur on its own or alongside other inflammatory shoulder conditions. If your symptoms align more closely with one of the conditions below, you may find additional information helpful on those pages.
Frequently Asked Questions
Shoulder tendonitis is commonly related to repetitive use, overuse, or sudden changes in activity. It often develops gradually rather than after a single injury.
No. Rotator cuff tendonitis involves irritation of the tendon, while a tear involves structural damage. Many people with tendonitis do not have a tear.
Recovery time varies based on activity level and how the tendon is managed. With appropriate care, many people improve over weeks rather than months.
Complete rest is not always helpful. Guided movement and gradual strengthening are often important for improving tendon tolerance.
Yes. Physical therapy is commonly recommended as a first-line treatment for shoulder tendonitis to improve movement, strength, and load tolerance.
Learn More About Physical Therapy
If you’d like more information about what to expect during physical therapy, visit our Patient Resources page.
Get Started
If shoulder tendon pain or overuse-related shoulder symptoms are affecting your daily life, a physical therapy evaluation can help determine appropriate next steps for care.
