[7–9] Specifically, several researchers [10–13] hypothesized that the stiffness of specific muscles (rotator cuff) may contribute to posterior shoulder stiffness. These potential mechanisms ...

Want to max out the muscle growth of your shoulders? These exercises will work the anterior, medial and posterior portions of ...

You use your posterior deltoids when you reach backward or rotate the shoulder. They’re often the smallest of the three because they can get less use than the other two. Your deltoid muscles ...

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Each of the best dumbbell shoulder exercises below is compound, primarily stimulating the three muscle heads — anterior, lateral and posterior deltoids — activating the core muscles ...

The muscles, which are also known as the posterior deltoids, are located on the back of the shoulder/upper arm area. While other shoulder muscles function to elevate the arms or drive the shoulder ...

What Is a Shoulder Press? The shoulder press is an upper-body-focused movement that allows you to increase your overhead strength. When done correctly, it can lead to a significant increase in ...

The rear (posterior) deltoid, which helps you pull your arm back. These three muscles are the ones that sit like a cap on top of the shoulder, like where your shoulder pads would be if you were ...