
The trapezius muscle, commonly referred to as the traps or trap muscles, is a large muscle in the upper back. It starts at the back of the head and neck, extends across the shoulders, and runs down the middle of the back, forming a trapezoid. The trapezius is responsible for maintaining posture and enabling movement in the upper back, neck, and head. It has three sections – superior, middle, and inferior – each playing a specific role in the movement of the neck and shoulders.
| Characteristics | Values |
|---|---|
| Name | Trapezius, Trapezoid, or Trap Muscle |
| Location | Upper back |
| Shape | Triangular, forming a trapezoid |
| Size | Large |
| Function | Stabilises the shoulders, enables the neck to move, helps maintain posture |
| Movement | Moves the shoulders, lifts arms out to the side, protects the neck and spine |
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What You'll Learn

The trapezius muscle is in the upper back
The trapezius muscle, also known as the trapezoid or traps muscle, is a large muscle in the upper back. It starts at the back of the head and neck, extends across the shoulders and down the middle of the back, forming a trapezoid shape. The trapezius is a skeletal muscle and part of the musculoskeletal system. It has three sections: superior, middle and inferior. Each section plays a role in specific movements of the neck and shoulders. For example, the trapezius helps to move the shoulders, lift the arms out to the side and protect the neck and spine. It also helps to maintain posture and move the upper back, neck and head. Certain stretches can help ease pain and keep movement flexible.
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It helps maintain posture
The trapezius muscle, also known as the trapezoid or traps muscle, is a large muscle in the upper back. It starts at the back of the head and neck, extends across the shoulders, and down the middle of the back, forming a trapezoid shape. The trapezius is responsible for stabilising the shoulders and enabling the neck to move. It plays an important role in maintaining posture and moving the upper back, neck, and head.
The trapezius muscle has three sections: the superior, middle, and inferior segments. Each segment plays a specific role in the movement of the neck and shoulders. For example, you use the trapezius when you shrug or pull your shoulders back. It also helps lift your arms out to the side and protects the neck and spine.
Maintaining good posture is essential for overall health and well-being. It helps prevent muscle pain and soreness, especially in the back and neck areas. By keeping the body aligned, good posture reduces the risk of muscle strain and improves balance and coordination. Additionally, good posture can enhance breathing and circulation, leading to increased energy levels and a more positive outlook.
To maintain good posture, it is crucial to strengthen the trapezius muscle through specific exercises and stretches. Certain yoga poses, such as the downward-facing dog, target the trapezius and can help improve posture and flexibility. Additionally, strengthening the core muscles can also contribute to better posture, as a strong core provides a solid foundation for the spine and improves overall stability.
In conclusion, the trapezius muscle plays a vital role in maintaining posture and facilitating movement in the upper back, neck, and head. By understanding the importance of this muscle and incorporating targeted exercises and stretches into our routines, we can improve our posture, enhance our overall health, and prevent muscle-related issues.
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It has three sections: superior, middle and inferior
The trapezius, trapezoid, or traps muscle is a large muscle in the upper back. It stabilises the shoulders and enables the neck to move. It has three sections: superior, middle and inferior. Each section plays a role in specific movements of the neck and shoulders.
The superior section of the trapezius muscle is located at the back of the head and neck. It extends across the shoulders and down the middle of the back, forming a trapezoid. The middle section of the trapezius muscle is located in the middle of the back, running from the skull to the thoracic spine. The inferior section of the trapezius muscle is located at the base of the neck and the top of the shoulders.
The trapezius muscles help you maintain your posture and move your upper back, neck and head. They are skeletal (superficial) muscles and are part of your musculoskeletal system. Certain stretches can help ease pain and keep movement flexible.
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It can be stretched to ease pain
The trapezius muscle, also known as the traps or trap muscle, is a large muscle in the upper back. It starts at the back of the head and neck, extends across the shoulders, and down the middle of the back, forming a trapezoid. The trapezius is responsible for maintaining posture and moving the upper back, neck and head. It has three sections: the superior, middle and inferior segment, and each plays a role in specific movements of the neck and shoulders.
The trapezius muscle can be stretched to ease pain and keep movement flexible. Certain stretches can help to relieve discomfort in the muscle. For example, you can try shrugging your shoulders or pulling your shoulders back. It is also important to rest the muscle and avoid any painful activities to help it heal.
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It can be affected by a pinched nerve in the spine
The trapezius muscle, also known as the trapezoid or traps muscle, is a large muscle in the upper back. It starts at the back of the head and neck, extends across the shoulders, and down the middle of the back, forming a trapezoid shape. It helps maintain posture and move the upper back, neck and head.
The trapezius muscle can be affected by a pinched nerve in the spine. This can be caused by poor posture, which places unnecessary stress on the body and can damage the muscles and spine, resulting in a trapped nerve. A pinched nerve can also be caused by a slipped disc, which puts pressure on the spinal nerve. This can lead to muscle cramps in the trapezius area.
To relieve pain from a pinched nerve, it is important to rest the muscle and avoid any painful activities. Stretches can also help to release trapped nerves and relieve pain and pressure. Neck bends and slow, controlled neck movements can help to release tension in the neck and shoulders. In addition, physical therapy and gentle exercises can be effective treatments for mild pain. Over-the-counter pain medications such as NSAIDs can also help relieve pain and reduce swelling.
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Frequently asked questions
The trap muscle is in the upper back.
The trap muscle helps you maintain your posture and move your upper back, neck and head.
The trap muscle is large and triangular, extending to the width of the shoulders.
The trap muscle is also known as the trapezius muscle.
A pinched nerve in the trap muscle can cause muscle cramps.











































