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Writer's picturePaulius Jurasius

Improving Shoulder Stability and Posture: Myofascial Release for Rhomboids, Serratus Anterior, and Deltoids



Male Back Muscle Anatomy


When we think about the journey of the human body, it’s hard not to marvel at how much our anatomy has evolved from our ancient ancestors. Picture our early human lineage, moving through forests and across plains, relying on strong shoulders to climb trees, gather food, and use tools. The rhomboids, serratus anterior, and deltoids were pivotal to these actions. These muscles provided the stability and strength required for our ancestors to survive and thrive. Yet, in today’s world, with our increasingly sedentary lifestyles, these once robust muscles have become strained and misaligned.


I remember when I first began exploring the intricate relationship between shoulder stability and posture. I had encountered countless clients suffering from chronic shoulder tension, poor posture, and even headaches. It was clear that modern life, with its desk jobs, endless screen time, and forward head posture, was wreaking havoc on the shoulders. The rhomboids, meant to keep our shoulder blades retracted and our posture upright, were now overworked or weakened. Meanwhile, the serratus anterior, the unsung hero for proper scapular movement, was often neglected and tight. This realization inspired me to develop the JANMI Method—an approach grounded in both functional anatomy and the deep, transformative power of myofascial release.


The Story of Our Shoulders: From Movement to Modern Stagnation


In the early days of human evolution, we moved freely, our shoulders were in constant motion—reaching, lifting, pulling. The rhomboids retracted the shoulder blades, giving our ancestors the upper body strength to climb and forage. The serratus anterior helped stabilize the scapula, allowing for smooth, powerful movements of the arms. The deltoids played their part in providing range and flexibility, supporting diverse tasks like throwing and hunting.


Fast forward thousands of years, and our shoulders are no longer used in the same dynamic way. Today, we are more likely to be hunched over laptops, driving cars, or sitting on couches than climbing trees or building fires. Our arms remain in front of us, causing an imbalance in our shoulder muscles. The rhomboids and serratus anterior—muscles that crave movement and activity—become tense and dysfunctional. This leads to poor posture, shoulder impingement, and even pain radiating to the neck and upper back.


The Modern Dilemma: Common Issues with Shoulder Stability and Posture


In my practice, I often meet clients who complain of shoulder instability, scapular winging, or a general feeling of stiffness around the shoulder girdle. For many, this is the result of weak rhomboids, a tight or underactive serratus anterior, and dysfunctional deltoids. The alignment of these muscles is crucial for shoulder health, as they collectively stabilize the shoulder blade (scapula) and maintain an upright posture.


Without this balance, one of the most common problems I encounter is rounded shoulders—where the shoulders roll forward, resulting in strain on the neck and upper back. This posture not only affects physical well-being but can also lead to emotional tension, as the body mirrors a closed, guarded stance.


The JANMI Method: Bringing Balance Back to the Shoulders


It became clear to me that addressing these muscle imbalances required more than just stretching or strength exercises. That’s where the JANMI Method comes in, combining myofascial release, trigger point therapy, and targeted exercises to restore shoulder stability and improve posture. This is not just about alleviating pain but about reconnecting with our body's natural rhythm.


1. Myofascial Release for the Rhomboids


When the rhomboids become tight or weak, they lose their ability to retract the scapula effectively, contributing to poor posture. During my sessions, I focus on myofascial release to target the upper back. Using slow, deliberate pressure along the area between the shoulder blades, I release the built-up tension in the fascia enveloping the rhomboids. This process, which I like to think of as a “dance” with the muscle, restores its flexibility and readiness for proper function.


Self-Care Tip: I encourage my clients to use a tennis ball or foam roller between their shoulder blades for self-myofascial release at home. Gently rolling along the upper back helps maintain the rhomboids' flexibility, reducing tension and improving posture.


2. Releasing and Activating the Serratus Anterior


The serratus anterior plays a critical role in holding the scapula against the ribcage, which is vital for shoulder stability. Yet, it often gets overlooked in traditional therapy. In the JANMI Method, we give this muscle the attention it deserves. Through myofascial release techniques applied along the ribcage, I work to free the fascia surrounding the serratus, improving its ability to facilitate smooth shoulder blade movement.


Self-Care Tip: Wall slides with a foam roller are an excellent way to activate and stretch the serratus anterior. By performing this exercise slowly and mindfully, clients can build strength in this muscle and improve their shoulder mechanics.


3. Deltoid Mobility and Stability


The deltoids—with their anterior, middle, and posterior fibers—allow for a wide range of shoulder movements. However, they often suffer from overuse, resulting in tightness and imbalance. Through trigger point therapy and targeted myofascial release, the JANMI Method focuses on relieving tension in each section of the deltoids. This not only improves shoulder movement but also corrects imbalances that lead to instability.


Self-Care Tip: Incorporating gentle shoulder circles and isometric holds can help maintain deltoid flexibility and strength, providing a stable base for other shoulder muscles to function optimally.


Embracing the Journey to Better Shoulder Health


As we navigate the complexities of modern life, it is easy to become disconnected from our natural movement patterns. However, I believe that with the right approach, we can restore the harmony that our bodies once had. The JANMI Method is designed to help you achieve this by releasing tension, improving mobility, and fostering a deeper connection with your body's rhythm.


I invite you to share your own struggles with shoulder tension or posture issues. Leave a comment below, and I will personally reply with tips or insights that may help you on your journey toward better shoulder health. Remember, relief and freedom in movement are not just about fixing a muscle—they are about restoring the body’s innate balance and vitality.


Disclaimer: The information provided in this content is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of your physician or other qualified health professional with any questions you may have regarding your health or a medical condition.


To be continued…







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