
The trapezius muscles are two large muscles that sit on either side of the upper back. They are responsible for a wide range of movements, including turning the head, adjusting posture, twisting the torso, shrugging the shoulders, and moving the shoulders when lifting the arms. The trapezius muscles are also accessory breathing muscles, helping to open up the upper chest area. They are vulnerable to injury, with pain being a common symptom. Treatment for trapezius pain includes stretching, massage, and in more severe cases, surgery.
| Characteristics | Values |
|---|---|
| Number | Two, one on either side of the upper back |
| Shape | Trapezoid, like a kite |
| Sections | Three: upper, middle, and lower |
| Function | Supports the body and helps with movement, including turning the head, twisting the torso, moving the shoulders, and maintaining posture |
| Common issues | Pain, often due to overuse, injuries, nerve damage, or stress |
| Treatments | Rest, ice, compression, elevation, massage, medication, kinesiology taping, dry needling, surgery |
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What You'll Learn

Trapezius muscle pain
The trapezius muscle is a large, flat, kite-shaped muscle group extending across the back of the neck and shoulders. It originates from the base of the skull and runs down to the lower thoracic vertebrae, attaching to the collarbone and shoulder blade. The trapezius muscle has several important functions, including moving the head and neck, supporting the arms, and stabilizing the shoulder joints.
Due to its location and function, the trapezius muscle is susceptible to pain and discomfort, which can arise from various factors. Trapezius muscle pain is a common complaint, often resulting from overuse, injury, or underlying medical conditions. The pain may be localized to a specific area or spread across the entire muscle. Common symptoms include stiffness, soreness, and difficulty moving the head and neck.
One of the primary causes of trapezius muscle pain is poor posture. When individuals slouch or hunch their shoulders forward, the trapezius muscle can become strained and overworked, leading to pain and tightness. Prolonged periods of sitting or standing in incorrect postures can also contribute to this type of muscle pain. Additionally, repetitive motions or activities that involve raising the arms overhead for extended periods can strain the trapezius muscle and result in pain and inflammation. This is particularly common in athletes, construction workers, and individuals whose professions require repetitive arm movements.
In some cases, trapezius muscle pain may be a symptom of an underlying medical condition. For example, myofascial pain syndrome can cause deep muscle pain and trigger points in the trapezius muscle. This condition may be accompanied by referred pain, where the pain is felt in another part of the body. Another possible cause is fibromyalgia, a condition characterized by widespread muscle pain and tenderness, including in the trapezius muscle.
Treating trapezius muscle pain typically involves a combination of rest, ice, compression, and elevation (RICE protocol). Over-the-counter pain medications and muscle relaxants may also be recommended to reduce pain and inflammation. Physical therapy can be beneficial, as a qualified therapist can provide targeted exercises and stretches to improve flexibility, strength, and range of motion in the affected area. In more severe or persistent cases, interventions such as trigger point injections or dry needling may be considered to alleviate pain and improve muscle function.
To prevent trapezius muscle pain, it is important to maintain correct posture, take breaks during prolonged periods of sitting or standing, and practice stretching and strengthening exercises for the neck, shoulders, and upper back. Additionally, ensuring proper form and technique during physical activities or sports can help reduce the risk of trapezius muscle strain and injury.
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Trapezius muscle strain
The trapezius muscles are two large muscles found on either side of the upper back. They are responsible for several functions, including maintaining posture, moving the head, neck, and upper back, and supporting the spinal column.
Symptoms of a trapezius strain can vary in intensity and may include pain, stiffness, and tenderness in the neck, shoulders, and upper back. The pain may be mild or severe, depending on the extent of the injury. In more serious cases, swelling, bruising, and muscle spasms or cramps may occur. A limited range of motion is also common, affecting the ability to move the arms freely, especially overhead.
To diagnose a trapezius strain, a doctor will typically perform a physical examination, reviewing symptoms and the mechanism of injury. Imaging tests, such as X-rays or MRI scans, may be ordered to rule out fractures or other injuries and to assess the severity of the strain.
Treatment for a trapezius strain depends on the grade of the injury. Minor strains often respond well to the RICE (Rest, Ice, Compression, and Elevation) protocol. For more severe strains, a doctor may refer to an orthopedist for further evaluation and treatment. Physical therapy and gentle exercises, such as yoga or Pilates, can also help improve range of motion, strengthen the muscles, and prevent future injuries.
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Trapezius muscle stretches
The trapezius muscles are a pair of large, flat, triangular muscles located on either side of the neck and back. They originate from the base of the skull and run down to the collarbone and the top three ribs. The trapezius muscles have several important functions, including supporting the weight of the head and neck, moving the scapula (shoulder blade), and assisting in breathing.
Given their location and function, it is common for people to experience tightness or tension in the trapezius muscles, particularly among those who spend long hours sitting or working at a computer. This can lead to discomfort, pain, and a decreased range of motion. Therefore, it is important to incorporate trapezius muscle stretches into your routine to help alleviate tension and improve flexibility and mobility in the neck and shoulder area.
- Neck Side Flexion Stretch: This stretch targets the upper trapezius and relieves neck tension. Sit or stand with a straight back and gently tilt your head to one side, using your chin to touch your chest. Hold for 15–30 seconds, release, and repeat on the other side.
- Shoulder Roll Stretch: This movement helps to loosen the middle and lower trapezius. Stand or sit with a straight back, and gently lift your shoulders toward your ears. Then, slowly circle your shoulders forward, and then backward, keeping the motion smooth and controlled. Do this for 10–15 seconds in each direction.
- Corner Stretch: This stretch targets the upper trapezius and relieves tension in the neck and shoulders. Stand in a corner, about an arm's length away, with your feet shoulder-width apart. Lean forward and place your forearms on the walls on either side, forming a "V" shape with your arms. Keep your back straight and lean into the stretch, holding for 15–30 seconds.
- Neck Extension Stretch: This stretch works the upper trapezius and relieves neck stiffness. Sit or stand with a straight back, and gently tilt your head back, looking toward the ceiling or sky. Hold for 15–30 seconds, release, and return your head to the starting position.
- Eagle Arms Stretch: This stretch targets the upper back and shoulders, including the trapezius muscles. Stand or sit with a straight back, and lift your arms so they are parallel to the floor, palms facing down. Bend your elbows so your forearms are perpendicular, with your fingers pointing to the ceiling. Bring your arms in front of you so your elbows are stacked, and use your upper arms to press your lower arms together. Hold for 15–30 seconds, release, and repeat as needed.
Remember to breathe deeply during these stretches and adjust the intensity as needed. Aim to hold each stretch for at least 15 seconds, and repeat several times throughout the day to help alleviate tension and improve flexibility in the trapezius muscles.
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Trapezius muscle injuries
The trapezius muscle is a large, flat, triangular-shaped muscle located in the upper back and neck. It extends from the base of the skull to the lower thoracic spine, and it covers a significant portion of the back and sides of the neck. The trapezius muscle has several important functions, including moving and stabilizing the scapula (shoulder blade) and supporting the arm. It also plays a role in moving the head and neck. Because of its involvement in shoulder and neck movement and its prominent position in the upper back, the trapezius muscle is susceptible to various injuries that can cause pain and discomfort.
One common injury to the trapezius muscle is a strain, which occurs when the muscle fibers are stretched or torn. This can happen when the muscle is overloaded or forced to contract too strongly, such as during a sudden, forceful movement or when lifting a heavy object. A trapezius muscle strain can cause pain, tenderness, and stiffness in the affected area, and there may be visible swelling or bruising. The pain is often made worse with movement and can sometimes refer pain to other areas, such as the head, neck, or arms.
Another common injury associated with the trapezius muscle is myofascial pain syndrome, which involves sensitive trigger points in the muscle that can cause localized pain and referred pain to other areas. These trigger points can develop as a result of muscle overload, sustained contraction, or direct trauma. Individuals with myofascial pain syndrome may experience chronic pain and tenderness in the trapezius muscle, as well as headaches, jaw pain, and pain between the shoulder blades. The exact causes of myofascial pain syndrome are not fully understood, but it is often associated with repetitive strain, stress, anxiety, and depression.
Treating trapezius muscle injuries typically involves a combination of rest, ice, compression, and elevation (RICE protocol) in the initial stages to reduce inflammation and pain. Non-steroidal anti-inflammatory drugs (NSAIDs) may also be recommended to help manage pain and swelling. Once the acute phase has passed, gentle stretching and range-of-motion exercises can help improve flexibility and reduce muscle stiffness. More severe or chronic cases may require physical therapy, massage therapy, or dry needling to release trigger points and improve muscle function. In rare cases, when conservative treatments fail to provide relief, steroid injections or, in severe cases, surgery may be considered.
To prevent trapezius muscle injuries, it is important to maintain correct posture, especially when sitting for long periods. Taking breaks and stretching can help relieve muscle tension and prevent overuse. Strengthening the muscles of the upper back and improving core stability can also provide better support for the shoulders and neck, reducing the risk of injury. Additionally, practicing relaxation techniques and managing stress can help prevent muscle tension and myofascial pain syndrome.
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Trapezius muscle anatomy
The trapezius muscle is a large, triangular muscle in the upper back, extending to the width of the shoulders and running from the skull to the middle of the back. It is made up of long muscle fibres and has three sections: superior, middle, and inferior. Each section plays a role in specific movements of the neck and shoulders. The trapezius muscle is also an accessory breathing muscle, helping to open up a small amount of breathing room in the upper chest area.
The superior or upper trapezius fibres originate from the back of the head and proceed downward and outward to be inserted into the collarbone. The middle fibres, or transverse trapezius, arise from the back of the neck and the first few thoracic vertebrae in the upper back. They are inserted into the scapula, or shoulder blade. The lower trapezius, or inferior trapezius, extends from the shoulder blades down the back, forming a trapezoid shape.
The trapezius muscle works in conjunction with several other muscles to produce coordinated movements, primarily involving the scapula. For example, the rhomboids (major and minor) work closely with the trapezius to retract and stabilize the scapula, playing a key role in shoulder movement and posture. The upper trapezius elevates the scapulae, the middle fibres retract the scapulae, and the lower fibres depress the scapulae. In addition, the trapezius induces scapular rotation. The upper and lower fibres tend to rotate the scapula so that the acromion and inferior angles move up and the medial border moves down.
The trapezius muscle is important for posture and shoulder and arm movement. It helps move the head, neck, and upper back, and maintain and adjust posture. It is also used for active movements such as side bending and turning the head, elevating and depressing the shoulders, and internally rotating the arm. The trapezius is vulnerable to injury, with common causes of trapezius pain including a pulled muscle, poor posture, and stress. Treatment for trapezius pain may include rest, ice, compression, elevation, massage, and over-the-counter pain relievers.
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Frequently asked questions
The trapezius muscles are two large muscles found on either side of the upper back. They are responsible for various movements of the head, neck, and upper back, as well as maintaining and adjusting posture.
The trapezius muscles have several functions, including:
- Turning the head from side to side
- Maintaining and adjusting posture
- Twisting the torso
- Shrugging or pulling back the shoulders
- Lifting the arm or throwing something by pushing on the shoulder blade (scapula)
Common symptoms of a trapezius muscle strain include:
- Limited mobility or decreased range of motion
- Neck and shoulder stiffness
- Swelling, bruising, or tenderness in the shoulders, neck, or upper back
- Mild to severe pain, depending on the severity of the strain











































