Deltoid: the key muscle of the shoulder

All about the deltoid: the key shoulder muscle

THE deltoid It is one of the most important and visible muscles of the human body.

Located in the upper part of the shoulder, this triangle -shaped muscle plays a crucial role in many physical activities.

In this article, we will explore the structure, function and training.

Deltoid anatomy

It consists of three distinct rays:

1. The front radius (first) : Is responsible for the elevation of the arm forward and the internal rotation of the shoulder.
2. The lateral radius (half) : This muscle is essential for the lateral elevation of the arm, thus allowing to lift your arms on the sides.
3. The rear (rear) : Helps to pull the arm backwards and perform an external shoulder rotation.

These three bundles work together to allow a great width of movement, make it essential for daily activities, such as the collection of objects, the launch and even the basic movements, such as style.

Deltoid functions

It is essential in many activities:

• Arm elevation : If you lift a weight or simply reach something on a shelf, the deltoid is used.
• Shoulders stability : By stabilizing the shoulder articulation, it helps prevent injuries during rapid or intense movements.
• Posture : A well -developed deltoid contributes to a good posture by balanced the musculature of the shoulder.

Deltoid Drive

To develop a strong and well -defined deltoid, it is important to integrate a variety of exercises in the driving routine.

Here are some of the best exercises:

1. Military : This classic exercise aims mainly to the front radius and the medium radius.
2. Secondary elevations : It is an excellent exercise to isolate the side radius.
3. Oiseau (Split rear flight) : Ideal for working on the rear ray.
4. Pumps with raised hands : A basic exercise that assumes the deltoid, also involving other muscles of the upper body.

Conclusion

The deltoid is a central muscle in the dynamics of the upper body.

Whether you are an athlete or just someone who wants to improve their physical shape, pay attention to your deltoid training is essential.

This will not only improve your sporting performance, but will also contribute to your global health.

So do not hesitate to integrate these exercises in your routine and observe the difference!