Pain can be confusing when the area that hurts is not where the problem started. You may feel shoulder pain even when the source is in your neck, or discomfort in your arm when the issue comes from another area. Pain can also occur without a clear injury to the area itself.
This can happen with referred pain, which occurs when pain is felt in a location different from its source. Pain signals from different parts of the body can share pathways within the nervous system, making it harder for the brain to identify exactly where the pain began.
As a result, the location of pain does not always reveal its source. When pain persists or keeps returning, looking beyond the painful area can help provide a clearer picture of what may be contributing to it.
What Is Referred Pain?
Referred pain is pain that you feel in one part of the body even though the source is somewhere else.
For example, a problem involving the neck can sometimes cause pain around the shoulder or upper back. Similarly, problems involving deeper tissues can sometimes produce pain away from the area where the problem began.
This does not mean that every unexplained pain is referred pain. Pain can have many causes, including muscle strains, joint problems, tendon injuries, nerve-related conditions, and medical conditions affecting internal organs. A proper assessment is needed to understand what may be causing the symptoms.
Referred pain can also feel different from person to person. It may be dull, aching, sharp, or difficult to pinpoint. The pain may also cover a broader area instead of staying in one clearly defined spot.
Why Can Pain Be Felt Somewhere Else?
The nervous system carries information between the body and the brain. When tissue is irritated or injured, signals travel through nerves and are interpreted by the brain as pain.
Pain signals from different areas can share pathways within the nervous system. This can make it harder for the brain to accurately identify where a particular pain signal originated.
This is one reason pain may sometimes be felt away from its source.
The practical point is simple: where you feel pain is not always where the problem started.
That is why an assessment should consider more than the painful area itself.
Common Examples of Referred Pain
Referred pain can occur in different parts of the body. The pattern of symptoms and other findings can help determine whether pain may be coming from another area.
Neck and Shoulder Pain
Pain around the shoulder does not always mean there is a problem with the shoulder itself.
Structures in the neck can contribute to symptoms felt around the shoulder or upper back. This may be particularly relevant when symptoms change with neck movement or occur alongside symptoms in the arm.
However, shoulder pain can also have local causes, including problems involving muscles, tendons, or joints. The location of the pain alone cannot determine its source.
Back and Hip Pain
Problems involving structures in the lower back can sometimes cause pain to be felt in areas such as the buttocks.
However, pain around the buttocks or hip can also come from local muscles, joints, tendons, or other structures. The location alone cannot tell us whether the pain is referred.
An assessment may therefore need to consider the lower back, hips, and surrounding areas rather than focusing only on where the pain is felt.
Muscle-Related Pain
Muscles can also contribute to pain that is felt away from the area being irritated. Research has shown that stimulation of certain muscles can sometimes produce pain in another location.
This can make it difficult to identify the source simply by focusing on the area that hurts.
A physical assessment can help determine whether the painful area is the source of the problem or whether another structure may be contributing to the symptoms.
Referred Pain and Nerve-Related Pain Are Not the Same
Referred pain and nerve-related pain are different concepts, although their symptoms can sometimes overlap.
Pain caused by nerve irritation or damage may occur with symptoms such as burning, electric-shock-like pain, tingling, numbness, or weakness. The pattern of these symptoms can provide useful information during an assessment.
Referred pain, on the other hand, describes pain that is perceived in an area different from its source.
The distinction matters because different causes of pain may require different approaches. Someone with a muscle or joint problem may need a different treatment plan from someone with significant nerve involvement.
An assessment can help determine whether the symptoms are more consistent with referred pain, nerve involvement, or another cause.
Why Treating Only the Painful Area May Not Be Enough
When something hurts, it is natural to focus on that location.
If your shoulder hurts, you may assume the shoulder is the problem. Sometimes that is correct. In other cases, another part of the body may be contributing to the symptoms.
Movement, strength, joint mobility, and muscle function can affect how different parts of the body work together. A problem in one area may also change how you move or place additional demands on another area.
This does not mean that every pain has a hidden cause somewhere else. It means that persistent or recurring pain may require a broader assessment.
What a Physiotherapy Assessment Looks At
A physiotherapy assessment is not simply about finding the most painful spot.
A clinician may ask about:
- When the pain started
- What you were doing when it began
- Where you feel the pain
- Whether the pain moves to another area
- What activities make it worse
- What activities make it better
- Previous injuries
- Your daily activities
- Your movement and strength
- Other symptoms you may be experiencing
The physical assessment may also look at areas related to the painful region.
For example, someone with shoulder pain may also have their neck and upper back assessed. Someone with pain around the knee may need an assessment of movement and strength around the hip, knee, and ankle.
The purpose is to build a clearer picture of what may be contributing to the symptoms rather than assuming that the most painful area is automatically the source.
When Should You Get Pain Assessed?
Not every ache requires professional assessment. Minor muscle soreness after unfamiliar activity may settle with time and appropriate rest.
However, persistent, recurring, severe, or unexplained pain deserves more attention, especially when it interferes with normal activities.
Some types of pain also require medical assessment rather than being assumed to be a musculoskeletal problem.
For example, unexplained shoulder or back pain accompanied by chest pain, difficulty breathing, dizziness, or other concerning symptoms can require prompt medical attention. Some conditions affecting internal organs can cause referred pain, so these symptoms should not automatically be attributed to muscles or joints.
A physiotherapist can assess many musculoskeletal problems, but some symptoms require assessment by a physician or another healthcare professional.
How Treatment Can Address the Source
Once the likely cause of pain has been identified, treatment can focus on the factors contributing to the symptoms rather than only the location where pain is felt.
Depending on the assessment, physiotherapy may include exercises, movement work, activity modification, education, or hands-on treatment.
The appropriate approach depends on the cause of the symptoms. Treatment should address the individual’s condition rather than simply focusing on the area where pain is felt.
Looking Beyond the Painful Spot
Pain does not always tell us exactly where the problem began.
Referred pain is one reason you may feel pain in one area while the source is somewhere else. A proper assessment can consider related muscles, joints, movement patterns, previous injuries, and other symptoms to build a clearer picture of what may be contributing to the problem.
At Aspire Physio Bangkok, a physiotherapy assessment can look beyond the painful area and consider related movement, strength, and physical factors. If your pain is persistent, recurring, or difficult to explain, an assessment can help determine whether physiotherapy is appropriate or whether further medical evaluation is needed.
The first step is to understand the pattern of your symptoms rather than assuming that the most painful area is the source.
Getting the Source of Pain Assessed
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When pain is felt away from its source, identifying the cause may require looking beyond the area that hurts. A physiotherapy assessment can consider your symptoms, movement, and related areas to determine whether the pain may be coming from another musculoskeletal structure and whether physiotherapy is appropriate.
