Shoulder Pain: Understanding the Problem and Finding the Right Path to Recovery
Shoulder pain can make surprisingly ordinary activities difficult. Reaching into a cupboard, putting on a jacket, fastening a seat belt, lifting something overhead, exercising, or simply trying to sleep on your side can suddenly become painful or frustrating.
Sometimes the reason seems obvious. You fell on your shoulder, lifted something heavy, or felt pain during a workout or sporting activity. In other cases, shoulder pain develops gradually, without a single identifiable injury.
The challenge is that shoulder pain is not one condition—and where you feel the pain does not always tell us exactly what is causing it.
The shoulder is an extraordinarily mobile region involving several joints, the shoulder blade, rotator cuff, numerous muscles and tendons, ligaments, nerves, and other connective tissues. These structures must work together to provide both mobility and control as you reach, lift, push, pull, throw, or carry.
Pain may be associated with the rotator cuff, a tendon or bursa, the acromioclavicular joint, frozen shoulder, instability, arthritis, or an injury such as a tear or dislocation. Sometimes symptoms felt around the shoulder can also be influenced by the neck or neurological structures. And importantly, changes seen on an X-ray, ultrasound, or MRI do not always explain why someone hurts.
That is why effective shoulder care begins with something more fundamental than simply treating the painful spot:
What is actually relevant to this person's shoulder pain?
Looking Beyond the Painful Area
At Kinetic Health, assessment begins with understanding the individual. How did the problem start? Which movements hurt? Is there weakness, stiffness, or night pain? Did symptoms follow an injury, or develop gradually over time?
The examination may assess shoulder and scapular movement, range of motion, strength, orthopedic findings, and neurological function when appropriate. Imaging or medical referral may be recommended when further investigation is needed.
The goal is not to label every anatomical or movement difference as a problem. It is to determine which findings are relevant to your shoulder pain and use that information to develop an appropriate treatment and rehabilitation plan.
Ultimately, the goal is to restore the movement, strength, confidence, and capacity needed to get back to the activities that matter to you.
In This Article
Why Is the Shoulder So Complex?
We often talk about the “shoulder joint,” but the shoulder functions as a coordinated system. Movement involves the ball-and-socket glenohumeral joint, the collarbone, the shoulder blade, the rotator cuff, and the many muscles and connective tissues that link the arm to the neck, chest and upper back.
The shoulder blade, or scapula, is particularly important. Seventeen muscles attach to the scapula, helping coordinate movement and control of the shoulder, arm, neck and upper back. As you reach overhead, lift an object or throw a ball, the upper arm and shoulder blade must continually adjust their positions as muscles generate force and help control the movement.
The rotator cuff is another important part of this system. It consists of four muscles and their tendons that help move and control the upper arm while contributing to stability of the shoulder. Problems involving these tissues are among the most common sources of shoulder symptoms.
This complexity is one reason shoulder pain can be difficult to interpret. A painful movement does not necessarily identify a single injured structure, and differences in shoulder or shoulder-blade movement are not automatically abnormal. The important question is whether a finding relates to the person's symptoms, function and ability to tolerate the activities they need or want to perform.
The Shoulder Is Built for Movement
One of the shoulder's greatest advantages is also one of its challenges: mobility.
The shoulder allows the arm to move through an extraordinary range. We can reach overhead, behind our backs and across our bodies while also generating enough force to push, pull, lift, carry, swim and throw.
Rather than thinking of a healthy shoulder as one that moves according to a single “perfect” pattern, it is more useful to think about whether the shoulder has the mobility, strength, coordination and capacity required for the demands being placed upon it.
Common Causes of Shoulder Pain
Shoulder pain can develop suddenly after an injury or gradually as the tissues are exposed to repeated or changing demands. Sometimes several factors contribute at the same time, which is another reason symptoms cannot always be traced to one structure.
Rotator Cuff-Related Shoulder Pain
Rotator cuff problems are among the most common causes of shoulder pain. They can include tendinopathy, partial or full-thickness tears, and broader rotator cuff-related shoulder pain.
Symptoms often include pain when reaching overhead, lifting or lowering the arm, reaching behind the body, or lying on the affected shoulder. Some people notice weakness or reduced endurance, while others primarily experience pain.
Importantly, a rotator cuff tear seen on imaging does not automatically explain someone's symptoms. Structural changes become more common with age and can also be found in shoulders that do not hurt. This is why imaging findings need to be considered alongside the history and physical examination.
Frozen Shoulder
Frozen shoulder, or adhesive capsulitis, typically causes progressive pain followed by substantial stiffness. Reaching overhead or behind the back can become increasingly difficult, and both active and passive shoulder movement are usually restricted.
Recovery can take time, making an accurate diagnosis and realistic expectations particularly important.
Shoulder Instability
Instability can occur following a traumatic dislocation or develop without a major injury. People may describe the shoulder as slipping, shifting, unstable, or vulnerable in certain positions. Recurrent subluxations or dislocations require careful assessment to determine the appropriate management.
AC Joint and Arthritic Conditions
The acromioclavicular (AC) joint, located at the top of the shoulder, can become painful following a fall, direct impact, repetitive loading, or degenerative change.
Arthritis can also affect the shoulder joints and may contribute to pain, stiffness, reduced movement, or grinding and clicking. As with many imaging findings, the amount of arthritis seen on an X-ray does not always correspond directly with the amount of pain someone experiences.
Biceps, Labrum and Other Shoulder Structures
The long head of the biceps tendon, labrum, bursa and other tissues around the shoulder can also contribute to symptoms. Clicking or catching may occur with some conditions, but these symptoms alone do not identify a specific injury.
Sometimes the Problem Is Not the Shoulder
Pain felt around the shoulder can sometimes originate from the neck, nerve roots or peripheral nerves. Symptoms extending down the arm, numbness, tingling, altered sensation or particular patterns of weakness may suggest neurological involvement and warrant further examination.
Less commonly, shoulder or arm pain can be associated with non-musculoskeletal conditions. Symptoms accompanied by chest discomfort, shortness of breath, sweating, nausea or other concerning systemic symptoms require prompt medical assessment.
The key message is simple: similar shoulder symptoms can arise for very different reasons. Identifying the likely source and determining what is clinically relevant is therefore an important part of deciding what to do next.
What Can Your Symptoms Tell Us?
Shoulder symptoms can provide important clues, but no single symptom usually tells the whole story. The pattern of symptoms, how they began, which movements provoke them, and what we find during examination are more useful when considered together.
Pain with reaching or lifting overhead is common with several shoulder conditions, particularly those involving the rotator cuff. Where in the movement the pain occurs, how much load is involved, and whether strength is affected can help narrow the possibilities.
Night pain is also common. Some people are uncomfortable lying on the affected
shoulder, while others wake when they change position or experience aching even when they are not directly loading it. Night pain can occur with rotator cuff problems, frozen shoulder and other conditions, so it should not be used by itself to identify the cause.
Stiffness and loss of movement may be especially important when the shoulder becomes progressively harder to move in several directions. With frozen shoulder, for example, both the movement you can produce yourself and the movement available when the arm is moved for you are typically restricted.
Weakness requires interpretation. Pain itself can make a muscle difficult to activate, while significant weakness following an injury may raise greater concern about a rotator cuff tear, nerve involvement or another structural problem.
Clicking, popping or catching can understandably cause concern, but these sounds do not necessarily indicate damage. They become more clinically meaningful when accompanied by pain, weakness, instability, locking or loss of function.
How symptoms started can be equally informative. Shoulder pain following a fall, collision, sudden pull or heavy lift may require a different approach from discomfort that gradually developed after increasing training, starting a new activity, changing work demands or repeatedly loading the shoulder.
The purpose of examining these patterns is not simply to give the pain a name. It is to understand what the shoulder can and cannot currently do, what may be contributing to the problem, and what needs to change to help restore function.
Finding Out What Is Actually Going On
A good shoulder assessment is not based on one test or one painful movement. It brings together the history, physical examination and overall pattern of findings to determine what is most likely contributing to the problem.
Your History Provides the Starting Point
The examination begins before we test the shoulder. How and when did the pain begin? Was there an injury? Where is the pain located? What movements aggravate it? Is there night pain, weakness, stiffness, numbness or tingling? Has your ability to work, exercise or perform everyday activities changed?
These details help determine what should be examined and whether additional investigation may be necessary.
Examining Movement, Strength and Function
The physical examination may include active and passive range of motion, shoulder and scapular movement, muscle strength, and selected orthopedic tests. Rather than relying on a single test, findings are interpreted together to look for patterns that fit the person's symptoms and functional limitations.
The neck and nervous system may also need to be examined, particularly when pain extends into the arm or is accompanied by numbness, tingling, altered sensation or weakness.
Functional movements can provide another piece of the puzzle. Depending on the individual, this might include reaching overhead, lifting, pushing, pulling, throwing, or movements related to work or sport.
Special Tests Are Only Part of the Examination
Shoulder examination includes numerous orthopedic tests designed to place stress on particular tissues or reproduce symptoms. These tests can be useful, but a positive test does not necessarily identify one specific injured structure.
This is why clinical decisions should not be based on a single test. The more important question is whether the history, symptoms, movement findings, strength testing and orthopedic examination tell a consistent story.
When Is Imaging Needed?
X-rays, ultrasound and MRI can provide valuable information, particularly after significant trauma, when a substantial tear or other structural injury is suspected, or when symptoms are not progressing as expected.
But not everyone with shoulder pain needs imaging.
Changes such as rotator cuff tears, tendon abnormalities and arthritis can sometimes be found in people who have little or no pain. Imaging therefore needs to be interpreted in the context of the individual rather than treated as the diagnosis by itself.
The objective of the assessment is to bring all these pieces together and answer a practical question: What is most likely contributing to this person's shoulder problem, and what is the most appropriate path forward?
Treating Shoulder Pain: From Symptom Relief to Recovery
Once we have a clearer understanding of the problem, treatment can be matched to the individual. There is no single shoulder treatment or exercise program that is appropriate for everyone.
At Kinetic Health, care may combine manual therapy, joint mobilization or manipulation, exercise, education, and progressive rehabilitation. What is used depends on the diagnosis, examination findings, irritability of the condition, activity demands, and the person's goals.
Where Motion Specific Release Fits In
Motion Specific Release (MSR) is the treatment and rehabilitation system developed by Dr. Brian Abelson and used at Kinetic Health. It combines clinical assessment with hands-on techniques, movement, and rehabilitation to address musculoskeletal problems.
For shoulder conditions, MSR procedures may be directed toward relevant muscles, tendons, fascia, joints, or neural structures identified during the examination. Treatment may also include joint mobilization or manipulation when appropriate.
Manual therapy can be useful for reducing pain, improving movement, and making exercise or everyday activity easier, but it is only one part of the rehabilitation process. Lasting improvement often requires rebuilding the shoulder's ability to tolerate the demands placed upon it.
Exercise and Progressive Rehabilitation
As shoulder pain begins to settle and movement becomes easier, rehabilitation increasingly focuses on restoring strength, endurance, coordination, and the ability to tolerate load.
There is no single exercise program that is best for every shoulder condition. Exercises should be selected according to the diagnosis, examination findings, current abilities, and the activities the person wants to return to.
Restoring Comfortable Movement
Early rehabilitation may focus on regaining comfortable movement without repeatedly aggravating symptoms. Depending on the condition, this may include gentle mobility exercises for the shoulder and shoulder blade and, when relevant, the neck and upper back.
The goal is not necessarily to force the shoulder through its maximum range. It is to gradually restore the movement needed for everyday activities while respecting the irritability of the condition.
Building Strength and Endurance
As symptoms allow, resistance can be progressively increased. Exercises may target the rotator cuff, scapular muscles, deltoid, and other muscles involved in controlling and moving the shoulder.
Endurance is also important. A shoulder may be strong enough to perform a movement once but still become painful or fatigued when the same movement is repeated during work, sport, or exercise.
Returning to Real-World Demands
Eventually, rehabilitation needs to extend beyond isolated shoulder exercises.
A swimmer needs to tolerate repeated overhead movement. A tennis player needs speed and control. Someone who works in construction may need to lift and work overhead for prolonged periods. Another person may simply want to garden, carry groceries, sleep comfortably, or return to the gym.
This is where progressive loading becomes important. Rather than avoiding activity indefinitely, the shoulder is gradually exposed to increasing resistance, repetition, speed, range of motion, or task-specific demands as appropriate.
The Shoulder Is Part of a Larger System
Shoulder function also involves more than the shoulder itself. The shoulder blade, neck, upper back and trunk all contribute to movement, particularly during athletic and overhead activities.
This does not mean every shoulder problem originates somewhere else in the body. It means rehabilitation should consider the whole movement pattern when it is relevant to the individual.
Ultimately, successful rehabilitation is about more than reducing pain. The objective is to help the shoulder regain enough mobility, strength, endurance and capacity for the person to confidently return to the activities that matter to them.
When Shoulder Pain Needs Further Investigation
Most shoulder problems can initially be managed conservatively, but some situations require additional investigation or medical referral.
A significant injury, such as a fall, collision, or sudden force to the arm, may raise concern about a fracture, dislocation, substantial rotator cuff tear, or other structural injury. Sudden loss of strength or an inability to raise the arm following trauma should also be assessed carefully.
Neurological symptoms deserve attention as well. Persistent numbness, tingling, altered sensation, progressive weakness, or symptoms extending from the neck into the arm or hand may indicate involvement of the cervical spine or nervous system rather than, or in addition to, the shoulder itself.
Further investigation may also be appropriate when pain is severe or progressively worsening, symptoms are unusual or unexplained, or the shoulder is not improving as expected with appropriate conservative care.
Occasionally, pain felt around the shoulder can originate from conditions outside the musculoskeletal system. Shoulder or arm discomfort associated with chest pain or pressure, shortness of breath, sweating, nausea, unexplained fever, or feeling seriously unwell requires prompt medical attention.
When Is a Specialist or Surgical Consultation Appropriate?
Some shoulder conditions benefit from orthopedic or other specialist assessment. This may include certain traumatic rotator cuff tears, recurrent instability or dislocation, significant fractures, advanced arthritis, or persistent loss of function despite appropriate conservative management.
Referral does not necessarily mean surgery will be required. It provides another level of assessment and helps determine the most appropriate options.
At Kinetic Health, part of good clinical care is recognizing not only what we can treat, but when further investigation or referral is the better course of action.
Getting Back to What Matters
Shoulder pain can affect much more than the shoulder itself. It can interfere with sleep, work, exercise, sport, and simple everyday activities that we normally take for granted.
Recovery begins with understanding the problem. That means looking beyond the painful area to consider how the shoulder moves, how strong it is, what activities provoke symptoms, and what demands need to be restored.
For many shoulder conditions, treatment is not about finding one structure to “fix.” It is about combining appropriate care with progressive rehabilitation and giving the shoulder time and opportunity to rebuild its capacity.
At Kinetic Health, our goal is to help you understand what may be contributing to your shoulder pain, develop an appropriate treatment and rehabilitation plan, and progress toward the activities that matter to you.
Whether that means sleeping comfortably, reaching overhead, returning to the gym, working without pain, or getting back to your sport, the destination is different for everyone.
The goal is not simply a shoulder that hurts less. It is a shoulder you can trust and use again.
Ready to Have Your Shoulder Assessed?
If shoulder pain, weakness, or stiffness is limiting what you can do, a thorough assessment can help determine the appropriate next steps.
Contact Kinetic Health in Calgary to book an assessment and begin developing a treatment and rehabilitation plan based on your individual needs and goals.
References
Abelson BJ, Abelson KT, Mylonas E. A Practitioner's Guide to Motion Specific Release: Functional, Successful, Easy to Implement Techniques for Musculoskeletal Injuries. Rowan Tree Books; 2018.
Barreto RPG, Braman JP, Ludewig PM, Ribeiro LP, Camargo PR. Bilateral magnetic resonance imaging findings in individuals with unilateral shoulder pain. J Shoulder Elbow Surg. 2019;28(9):1699-1706. doi:10.1016/j.jse.2019.04.001.
Brukner P, Khan K. Brukner & Khan's Clinical Sports Medicine: Injuries. 5th ed. McGraw-Hill Education; 2017.
Cools AM, Struyf F, De Mey K, Maenhout A, Castelein B, Cagnie B. Rehabilitation of scapular dyskinesis: from the office worker to the elite overhead athlete. Br J Sports Med. 2014;48(8):692-697. doi:10.1136/bjsports-2013-092148.
Girish G, Lobo LG, Jacobson JA, Morag Y, Miller B, Jamadar DA. Ultrasound of the shoulder: asymptomatic findings in men. AJR Am J Roentgenol. 2011;197(4):W713-W719. doi:10.2214/AJR.11.6971.
Hegedus EJ, Goode AP, Cook CE, et al. Which physical examination tests provide clinicians with the most value when examining the shoulder? Update of a systematic review with meta-analysis of individual tests. Br J Sports Med. 2012;46(14):964-978. doi:10.1136/bjsports-2012-091066.
Kuhn JE. Exercise in the treatment of rotator cuff impingement: a systematic review and a synthesized evidence-based rehabilitation protocol. J Shoulder Elbow Surg. 2009;18(1):138-160. doi:10.1016/j.jse.2008.06.004.
Lafrance S, Charron M, Dubé MO, et al. The efficacy of exercise therapy for rotator cuff-related shoulder pain according to the FITT principle: a systematic review with meta-analyses. J Orthop Sports Phys Ther. 2024. doi:10.2519/jospt.2024.12453. PMID: 38848304.
Lewis J. Rotator cuff related shoulder pain: assessment, management and uncertainties. Man Ther. 2016;23:57-68. doi:10.1016/j.math.2016.03.009.
Lewis JS. Rotator cuff tendinopathy/subacromial impingement syndrome: is it time for a new method of assessment? Br J Sports Med. 2009;43(4):259-264. doi:10.1136/bjsm.2008.052183.
Littlewood C, May S, Walters S. Epidemiology of rotator cuff tendinopathy: a systematic review. Shoulder Elbow. 2013;5(4):256-265. doi:10.1111/sae.12028.
Liu J, Tang D, Hu R, et al. Effectiveness of exercise therapy versus passive conservative treatments for rotator cuff-related shoulder pain: a systematic review and meta-analysis of randomized controlled trials. Musculoskelet Sci Pract. 2026;83:103556. doi:10.1016/j.msksp.2026.103556. PMID: 41990400.
Ludewig PM, Cook TM. Alterations in shoulder kinematics and associated muscle activity in people with symptoms of shoulder impingement. Phys Ther. 2000;80(3):276-291.
Paraskevopoulos E, Plakoutsis G, Chronopoulos E, Maria P. Effectiveness of combined program of manual therapy and exercise versus exercise only in patients with rotator cuff-related shoulder pain: a systematic review and meta-analysis. Sports Health. 2023;15(5):727-735. doi:10.1177/19417381221136104. PMID: 36517977.
Reilly P, Macleod I, Macfarlane R, Windley J, Emery RJH. Dead men and radiologists don't lie: a review of cadaveric and radiological studies of rotator cuff tear prevalence. Ann R Coll Surg Engl. 2006;88(2):116-121. doi:10.1308/003588406X94968.
Tena-Portilla A, Martín-San Agustín R, Gacto-Sánchez M, Escriche-Escuder A. Effectiveness of exercise in rotator cuff-related shoulder pain: a systematic review with meta-analysis. Physiother Theory Pract. Published online August 17, 2026. doi:10.1080/09593985.2026.2717392. PMID: 42609059. PubMed
Teunis T, Lubberts B, Reilly BT, Ring D. A systematic review and pooled analysis of the prevalence of rotator cuff disease with increasing age. J Shoulder Elbow Surg. 2014;23(12):1913-1921. doi:10.1016/j.jse.2014.08.001.
Zeng D, Feng R, Xia Y, Hu C, Liu Y. Effectiveness of trigger point manual therapy for rotator cuff related shoulder pain: a systematic review and meta-analysis. Disabil Rehabil. 2025;47(9):2217-2233. doi:10.1080/09638288.2024.2393797. PMID: 39189423.
Medical Disclaimer
The information provided on the Kinetic Health website, including articles, videos, exercises, and other educational resources, is intended for general educational and informational purposes only. It is not a substitute for individualized assessment, diagnosis, or treatment by a qualified healthcare professional.
Musculoskeletal conditions and injuries vary from person to person. Exercises, self-care strategies, or other information presented on this website may not be appropriate for every individual or condition.
If you have new, severe, worsening, or unexplained symptoms, or are unsure whether an exercise or treatment approach is appropriate for you, consult an appropriately qualified healthcare professional.
Use of this website does not establish a practitioner-patient relationship with Kinetic Health or any of its healthcare providers.
For urgent or potentially serious symptoms, seek appropriate medical attention.
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