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 ...

Posterior shoulder dislocation occurs when the top of the upper arm bone, known as the humerus, moves backward out of its socket. This causes pain, muscle spasms, and a limited range of motion.

[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 ...

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It’s time for your favorite strength class and you’re pumped for it. First move on the docket? Overhead presses. You’ve got this, you tell yourself. But as soon as you lift your dumbbells ...

For example, the serratus posterior superior and the ... comes to mind when people think of their back muscles. Superficial muscles support shoulder and neck movements, and four major muscles ...

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 ...

Measurement of posterior shoulder tightness was based on horizontal flexion ROM (cross-chest adduction) measurement. [15] Because we measured the transverse tightness of the muscles by ...