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The trapezius muscle, also known as the traps, is a large, flat, triangular muscle that extends over the back of the neck and upper thorax. It is a postural and active movement muscle that is used to tilt and turn the head and neck, shrug, steady the shoulders, and twist the arms. The trapezius muscle is vulnerable to injury and can become painful or sore due to overuse, stress, poor posture, physical trauma, or a pinched nerve in the spine.
| Characteristics | Values |
|---|---|
| Location | Back of the neck and upper thorax |
| Shape | Trapezoid or Trapezium |
| Type | Superficial |
| Function | Support of the shoulders and limbs, rotation of the scapula, movement of the spine, posture stabilizer, movement muscle |
| Sections | Superior, Middle, Inferior or Upper, Middle, Lower |
| Nerve Innervation | Cranial nerve XI, Spinal Accessory nerve |
| Injuries | Muscle tear, pinched nerve in the spine, trapezius palsy |
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What You'll Learn
Trapezius muscle anatomy
The trapezius muscle is a large, flat, triangular muscle in the upper back. It is a postural and active movement muscle, used to tilt and turn the head and neck, shrug, steady the shoulders, and twist the arms. It is the most superficial muscle of the back, neck, and upper trunk muscles, lying just beneath the skin and covering the upper back of the shoulders and neck. It is also one of the widest back muscles.
The trapezius muscle is named for its trapezoid shape. The right and left trapezius muscles together form a trapezium, or diamond-shaped quadrilateral. The muscle is broad and flat, extending over the back of the neck and upper thorax. It has three sections: the superior, middle, and inferior segment, or the upper, middle, and lower fibres, each with independent functions. The upper trapezius arises from the occipital bone in the back of the skull and the nuchal line in the back of the neck. The lower fibres of the trapezius arise from the spinous processes of cervical seven through to thoracic level 12. The trapezius is attached to the scapula (shoulder blade) and the clavicle (collarbone).
The trapezius muscle can be developed through various exercises. The upper portion can be developed by elevating the shoulders, for example, through neck extension or a shoulder shrug. The middle fibres are developed by pulling the shoulder blades together, and the lower part can be developed by drawing the shoulder blades downward while keeping the arms almost straight and stiff.
The trapezius muscle is vulnerable to injury, with pain and soreness arising from overuse, stress, poor posture, injury or physical trauma, a pinched nerve in the spine, and more. Resting the muscle, applying ice, and using pain medication can help alleviate trapezius pain. Stretching the muscle can also help prevent soreness and tightness.
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Trapezius muscle function
The trapezius muscle is a large, flat, superficial muscle that extends from the cervical to the thoracic region, covering the upper back, shoulders, neck, and head. It is divided into three sections: superior (upper), inferior (lower), and middle. Each section has distinct functions and plays a crucial role in various movements and maintaining posture.
The superior portion of the trapezius muscle originates at the base of the skull, attaching to the occipital bone and the ligamentum nuchae. It helps elevate and rotate the scapula, allowing for arm elevation and neck extension. This portion is responsible for movements such as shrugging the shoulders and turning the head to the side.
The middle trapezius muscle fibres adduct the scapulae, drawing them together towards the spine. This action helps prevent excessive kyphotic posture, commonly known as rounding of the upper back. The middle trapezius works in conjunction with other muscles, such as the rhomboids, to ensure smooth and controlled scapular movements.
The inferior trapezius muscle fibres depress the scapula, which is the opposite action to that of the superior trapezius. This downward rotation of the scapula is crucial for movements involving pulling or rowing motions. The lower trapezius also assists in stabilising the upper and mid-spine, bringing the shoulder girdle down. Additionally, the trapezius muscle, as a whole, acts as an accessory breathing muscle, providing a small amount of breathing room in the upper chest area.
The trapezius muscle is crucial for maintaining posture and enabling various movements of the head, neck, and shoulders. It works in coordination with other muscles to produce smooth and controlled motions. However, it is important to maintain muscle flexibility and avoid overuse or repetitive activities that can lead to trapezius muscle pain and soreness.
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Trapezius muscle pain
The trapezius muscle is a large, flat, kite-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 stabilizing and moving the scapula (shoulder blade) and supporting the arm. It also plays a role in moving the head and neck. Due to its prominent position and involvement in various movements, trapezius muscle pain is a common issue that many people experience.
Individuals with trapezius muscle pain typically experience discomfort and stiffness in the upper back, neck, and shoulder regions. The pain may be localized to a specific area or radiate across a broader zone. Certain movements, such as lifting the arms overhead or turning the head from side to side, may aggravate the pain. In some cases, the pain may refer to other areas, such as the arms or hands, and it can be accompanied by headaches. The severity of the pain can vary, ranging from a mild, nagging ache to intense, debilitating pain that impacts daily activities and sleep quality.
To manage trapezius muscle pain, a combination of approaches is often recommended. Rest is crucial, especially in the initial stages, to avoid further aggravating the muscle and giving it time to heal. Applying ice or heat to the affected area can help reduce inflammation and improve muscle flexibility. Gentle stretches and exercises can aid in relieving muscle tension and improving flexibility and strength. Massage therapy can be beneficial, as it can help release knots and tension, increase blood flow, and promote relaxation. In some cases, seeking the advice of a healthcare professional, such as a physiotherapist, chiropractor, or osteopath, may be advisable. They can provide a thorough assessment, diagnose the specific cause, and offer tailored treatment plans, which may include manual therapy, exercise programs, and advice on posture correction.
It is important to address trapezius muscle pain, as it can significantly impact an individual's quality of life. By identifying the underlying cause and implementing appropriate management strategies, it is possible to alleviate the pain and prevent future occurrences. Maintaining good posture, correcting muscle imbalances, and ensuring proper form during physical activities can all help reduce the risk of developing trapezius muscle pain. Additionally, incorporating regular stretching and strengthening exercises for the upper back, neck, and shoulders into one's routine can promote muscle health and resilience.
If trapezius muscle pain is severe, persistent, or accompanied by other symptoms, it is always advisable to seek medical advice. While muscle strain is a common cause, pain in this area can sometimes indicate underlying conditions that require further investigation and specialized treatment. Early diagnosis and appropriate management are key to a successful outcome.
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Trapezius muscle stretches
The trapezius muscle is a large, flat, triangular-shaped muscle located in the upper back and neck region. It originates from the base of the skull and runs down to the collarbone and upper spine, spreading across the shoulder blades. This muscle is responsible for various movements and stabilizations of the head, neck, and shoulder. Sitting for long periods with poor posture, repetitive motions, and stress can cause the trapezius muscle to tighten and become painful. Stretching this muscle can help relieve tension and improve flexibility and range of motion in the neck and shoulders. Here are some effective stretches to target the trapezius muscle:
Neck Rolls: Start by standing or sitting upright with a straight back. Slowly roll your head forward, bringing your chin to your chest. Then, gently roll your head to one side, aiming to touch your ear to your shoulder. Hold this stretch for a few seconds, and then slowly roll your head back to the center. Continue the roll to the other side, and finally, bring your head back up to the starting position. Repeat this slow and controlled movement several times, ensuring you keep the motion smooth and gentle.
Shoulder Shrug and Roll: Begin in a standing or sitting position with relaxed shoulders. Lift your shoulders up toward your ears as high as you can, squeezing the muscles, and then roll them back, down, and together in a circular motion. Repeat this shrug and roll movement several times, keeping the motion smooth and deliberate. You should feel the stretch across your upper back and neck.
Trapezius Stretch with Towel: You'll need a towel or a strap for this stretch. Stand or sit upright, holding the towel in front of you at shoulder height. Reach forward with both arms, keeping your shoulders down and back straight. Then, slowly pull the towel apart, bringing your arms out to the side and stretching them overhead until they are fully extended. Hold this stretch for a few seconds and then slowly bring the towel back down to the starting position. Repeat this stretch several times, ensuring you keep your shoulders down and back straight throughout the movement.
Neck Side Stretch: Sit or stand with your back straight. Gently tilt your head to one side, using your chin to try and touch your shoulder. Hold this stretch for a few seconds, and then slowly bring your head back to the center. Switch sides and repeat the stretch, aiming to feel the stretch along the side of your neck and upper trapezius region.
Remember to perform these stretches in a slow and controlled manner, listening to your body and avoiding any movements that cause pain. Regularly incorporating these stretches into your routine can help alleviate tension and improve flexibility in the trapezius muscle.
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Trapezius muscle injuries
The trapezius muscle is a large, flat, kite-shaped muscle located in the upper back and neck. It extends laterally from the midline of the spine to the shoulder, and vertically from the base of the skull to the lower thoracic spine. The trapezius muscle has several important functions, including stabilizing and moving the scapula (shoulder blade), supporting the arm, and moving the head and neck. Due to its location and function, the trapezius muscle is susceptible to various injuries that can cause pain and discomfort.
One common injury associated with the trapezius muscle is myofascial pain syndrome, which involves sensitive trigger points in the muscle that can refer pain to other areas of the body. These trigger points can form as a result of muscle tension, strain, or injury, and can cause localized pain, as well as headaches, neck pain, and discomfort in the upper back and shoulders. Treatment for myofascial pain syndrome typically involves trigger point release techniques, stretching, and strengthening exercises to improve muscle balance and posture.
Another common injury affecting the trapezius muscle is a strain or tear. This can occur when the muscle is overloaded or overstretched, leading to partial or complete tearing of the muscle fibers. Symptoms of a trapezius muscle strain or tear include sudden pain, tenderness, bruising, swelling, and decreased range of motion in the shoulder and neck. Initial treatment for acute trapezius muscle strains follows the RICE protocol (rest, ice, compression, elevation), followed by gradual stretching and strengthening exercises to promote healing and restore function.
In more severe cases of trapezius muscle tears, surgery may be required to repair the damaged muscle and facilitate a full recovery. After surgery, a period of immobilization is typically necessary, followed by physical therapy to regain strength and mobility in the shoulder and neck. It is important to work closely with a healthcare professional or physical therapist to ensure a safe and gradual return to activity and prevent re-injury.
To prevent trapezius muscle injuries, it is important to maintain proper posture, practice correct technique during physical activities, and stretch and strengthen the muscles of the neck, shoulders, and upper back. A balanced exercise program that targets the trapezius muscle, as well as the surrounding muscles, can help improve stability, flexibility, and strength, reducing the risk of injury and promoting long-term musculoskeletal health.
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Frequently asked questions
The trapezius muscle is a large, flat, triangular muscle in the upper back. It is also known as the traps muscle.
The trapezius muscle supports the shoulders and enables the neck to move. It is used to tilt and turn the head and neck, shrug, steady the shoulders, and twist the arms.
Trapezius muscle pain can be caused by overuse, stress, poor posture, injury, or physical trauma. To relieve pain, you can try applying ice, using over-the-counter pain medication, dry needling, or stretching.
