Table of Contents
A trigger point in the shoulder can turn the shoulder muscles into a source of discomfort or even debilitating pain. These knotted areas within muscle tissue are more than just a nuisance; they can significantly disrupt daily life, affecting everything from simple movements to sleep quality.
Understanding and addressing a trigger point in the shoulder can be a complex process. The shoulder is a robust structure composed of several interconnected muscles that work in harmony. These include the supraspinatus, infraspinatus, teres major, trapezius, rhomboids, subscapularis, levator scapulae, and deltoid muscles. Each plays a unique role, but when aggravated, they can all harbor painful trigger points.
Recognizing the location and symptoms associated with a trigger point in the shoulder can be the first step toward relief. Symptoms often manifest as localized pain, but can also cause discomfort that radiates down the arm or up into the neck. However, self-diagnosis can be challenging. Pain in the shoulder area could stem from a variety of sources and may not necessarily be due to trigger points.
In this blog post, we will explore the common locations of trigger points in the shoulder and the associated pain patterns. We’ll delve into the network of muscles around the shoulder, demystify the science of trigger points, and provide some insights into the treatment options available. Armed with this knowledge, you may be better equipped to understand and address the trigger points that could be the root cause of your shoulder discomfort.
Trigger points are tender, often painful areas of muscle tissue that can cause localized or referred pain. Common locations for trigger points in the shoulder and surrounding area include:
Trigger Point in the Shoulder Muscle Guide
Supraspinatus Trigger Points:
This muscle sits at the top of the shoulder blade and forms part of the rotator cuff. Trigger points in the supraspinatus can cause pain that is felt on the top of the shoulder, and may also radiate down the arm or up into the neck.
The supraspinatus muscle is an integral part of the rotator cuff, a group of muscles and tendons that provide stability and mobility to the shoulder joint. A trigger point in the supraspinatus muscle can produce a distinctive pattern of discomfort, often presenting as a sharp, aching pain on the top of the shoulder. This pain can sometimes extend down the arm or upwards into the neck, making it difficult to identify the true source without a professional assessment.
Overuse or strain of the supraspinatus muscle, often seen in individuals who perform repetitive overhead motions, can result in the formation of these trigger points. Athletes, manual laborers, and even those with poor postural habits, such as hunching over a computer, may be particularly susceptible.
Identifying and treating a trigger point in the supraspinatus can significantly reduce shoulder pain and improve mobility. This involves a combination of therapies, including manual manipulation, dry needling, and prescribed exercises to release the trigger point and strengthen the muscle. Further in-depth understanding of supraspinatus trigger points, their causes, symptoms, and effective treatment strategies can provide substantial relief for those experiencing chronic shoulder discomfort. Stay tuned for our comprehensive article on this subject for a deep dive into the world of supraspinatus trigger points.
Infraspinatus and Teres Major Trigger Points:
These two muscles also form part of the rotator cuff, and sit in the lower part of the shoulder blade. Trigger points in the infraspinatus as well as in the teres minor, can cause pain in the back and side of the shoulder, which may also radiate down the arm.
The infraspinatus and teres minor muscles, both integral parts of the rotator cuff, also contribute significantly to shoulder mobility and stability. However, these muscles, much like the supraspinatus, can develop trigger points that cause discomfort and limit range of motion. A trigger point in the infraspinatus or teres minor can lead to a distinct pattern of pain felt in the back and side of the shoulder, and it can radiate down the arm, sometimes even reaching the wrist and hand.

These muscles are particularly prone to trigger points due to their crucial role in arm rotation. Athletes engaged in sports that require repetitive arm movements, like tennis or baseball, often experience issues here. But it’s not just athletes who are at risk. Any activity that places consistent strain on these muscles, such as long hours spent at a computer with improper ergonomics, can lead to the development of these painful trigger points.
Addressing trigger points in the infraspinatus and teres minor muscles requires a targeted approach. This can involve a mix of physical therapy, massage, and self-care strategies such as heat application and specific strengthening exercises. By understanding the symptoms, potential causes, and appropriate treatment methods, individuals can take proactive steps towards relieving their shoulder pain. For a more detailed understanding of the intricacies of trigger points in these muscles, keep an eye out for our upcoming in-depth article. This will provide valuable insights into the complex world of shoulder trigger points and how to manage them effectively.
Trapezius Trigger Points:
This large, triangular muscle extends down the back of the neck and the upper spine, with its edges reaching out to the shoulder blade. Trigger points in the upper parts of the trapezius can cause pain in the neck, back of the head, and shoulder area.
The trapezius muscle, a large, kite-shaped muscle that extends down the back of the neck and upper spine, is another common location for trigger points in the shoulder. These points can be a significant source of discomfort, contributing to pain and tension in the neck, back of the head, and shoulder area.



Trigger points in the trapezius muscle can be due to a variety of factors. These include poor posture, especially when sitting for prolonged periods, repetitive strain from activities such as heavy lifting, or even psychological stress, which can lead to persistent shoulder and neck tension.
Dealing with trapezius trigger points in the shoulder often involves a multipronged approach. It can require changes in daily habits to correct postural issues, stress management techniques, as well as targeted physical therapy. This could involve manual therapy, like massage or dry needling, and therapeutic exercises to strengthen and stretch the muscle. Understanding how these trigger points in the shoulder function and their treatment options can be pivotal in managing and potentially alleviating the associated pain and discomfort. By addressing these issues head-on, it’s possible to significantly improve one’s quality of life.
Rhomboid Trigger Points:
Located between the spine and the shoulder blades, these muscles can harbor trigger points that cause pain in the shoulder blade area, which can sometimes feel like it’s deep inside the upper back.
The rhomboid muscles, located between the spine and the shoulder blades, play a crucial role in maintaining good posture by pulling the shoulder blades together. When overworked or strained, these muscles can develop trigger points, leading to a unique set of symptoms that might initially be difficult to associate with the shoulder.
Trigger points in the rhomboid muscles can produce a deep, aching pain in the upper back, usually between the shoulder blades. This discomfort can occasionally radiate to the chest, making it sometimes mistaken for heart-related issues. The root cause of these trigger points in the shoulder can be quite varied, ranging from carrying heavy backpacks or bags on one shoulder, to repetitive motion or poor posture during work, particularly with tasks involving forward-reaching movements.
Managing rhomboid trigger points in the shoulder requires a careful and targeted approach. Therapy might involve massage or dry needling to release the trigger points, as well as stretching and strengthening exercises to promote muscle balance and correct postural issues. Additionally, lifestyle modifications, such as ergonomic adjustments at work or during daily activities, can be instrumental in both treatment and prevention. Understanding these trigger points in the shoulder, their causes, symptoms, and treatment options, is a crucial step in effectively handling the pain and discomfort they can cause.
Subscapularis Trigger Points
Part of the rotator cuff, this muscle lies on the underside of the shoulder blade. Supscapularis trigger points can cause pain in the back and inner side of the shoulder, sometimes radiating down the inside of the arm.
The subscapularis muscle is a lesser-known but essential part of the rotator cuff, lying on the underside of the shoulder blade. It plays a crucial role in shoulder stability and internal rotation of the arm. Like its counterparts, the subscapularis can also develop trigger points, leading to specific pain patterns that can impact daily activities.
When trigger points form in the subscapularis muscle, the resulting pain often feels deep within the shoulder, sometimes radiating down the inside of the arm. These trigger points in the shoulder can be caused by various factors, including repetitive arm movements or sustained shoulder positions that strain the muscle. For instance, tasks that require the arms to be held out in front, such as driving or working on a computer, can contribute to subscapularis trigger points.
Treatment for subscapularis trigger points in the shoulder can be somewhat challenging due to the muscle’s location. However, skilled practitioners can use techniques like manual therapy or dry needling to reach and release these trigger points. Strengthening and stretching exercises are also crucial for maintaining the health of the subscapularis muscle and preventing recurrence. It’s essential to understand the dynamics of these trigger points in the shoulder to recognize their symptoms and seek appropriate care. By being proactive, individuals can better manage their shoulder health and maintain their mobility.
Levator Scapulae Trigger Points:
This muscle runs down the side of the neck and connects to the upper part of the shoulder blades. Trigger points can cause pain in the neck, shoulder blade, and often are responsible for the “stiff neck” sensation.
The levator scapulae muscle, as its name suggests, has the primary function of lifting the shoulder blade. Running along the side of the neck and connecting to the upper part of the shoulder blades, this muscle can develop trigger points that lead to significant discomfort.
Trigger points in the levator scapulae often manifest as pain in the neck and shoulder blade area. The discomfort may also extend to the upper back and the side of the neck. These trigger points in the shoulder and neck can develop due to numerous factors. Poor posture, particularly the forward head posture often seen in people who work at computers, is a common cause. Additionally, carrying heavy bags on one shoulder, sleeping in an awkward position, or stress, which can lead to the shoulder being hunched or lifted, can also contribute to this issue.
Addressing levator scapulae trigger points in the shoulder involves a multi-faceted approach. This typically includes manual therapies like massage or dry needling, stretches and exercises specifically designed to relax and strengthen this muscle, and, importantly, addressing postural and lifestyle factors that may be contributing to the problem. With an understanding of the symptoms and causes of these trigger points in the shoulder, individuals can seek out appropriate treatment, potentially finding significant relief from the pain and tension often associated with this issue.
Deltoid Trigger Points:
The deltoid muscle, responsible for the rounded contour of the shoulder, is a common site for trigger points in the shoulder. This muscle’s main function is to lift the arm and help provide stability to the shoulder joint during certain movements. Due to its broad use in many daily activities, the deltoid can often develop these painful knots.
This muscle gives the shoulder its rounded contour. It has three parts: anterior, middle, and posterior. Trigger points in different parts of the deltoid can cause pain in the front, side, or back of the shoulder, respectively, sometimes extending down the outside of the arm.
The deltoid muscle has three parts: the anterior, middle, and posterior. Each segment can develop trigger points, causing pain that can be felt in the front, side, or back of the shoulder respectively. This pain may sometimes extend down the outside of the arm, making even simple tasks challenging. Activities such as lifting heavy objects or performing repetitive arm motions can contribute to the development of these trigger points in the shoulder. Stress, poor posture, and trauma to the shoulder can also play a role.
Treatment for deltoid muscle trigger points in the shoulder can involve several approaches. Manual therapies like massage, dry needling, or trigger point injections can be effective in releasing these knots. Complementary physical therapy exercises can help strengthen the deltoid muscle and prevent future trigger points from forming. Understanding these trigger points in the shoulder is an important part of managing the associated pain and maintaining shoulder function. A holistic approach that includes appropriate treatment, good posture, and regular exercise can go a long way in promoting shoulder health.
In conclusion, understanding the intricacies of trigger points in the shoulder is pivotal in addressing the associated discomfort and pain. These knots can form in various muscles around the shoulder, each producing a unique set of symptoms that can significantly impact one’s daily activities. Whether it’s the supraspinatus, infraspinatus, teres minor, trapezius, rhomboids, subscapularis, levator scapulae, or deltoid muscles, each has the potential to harbor these painful points.
Being equipped with this knowledge can empower individuals to seek help and manage their symptoms effectively. By understanding the common locations of trigger points, recognizing their symptoms, and being aware of potential treatment options, individuals can better communicate their experiences with healthcare professionals and participate more actively in their care. It’s crucial to remember that while self-care is beneficial, seeking professional help for trigger points in the shoulder is important to ensure an accurate diagnosis and appropriate treatment. Ultimately, taking proactive steps towards understanding and managing these shoulder trigger points can make a significant difference in enhancing quality of life and maintaining shoulder health.
Leave a Reply