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Trenbolone acetate chest muscles
Steroids of the pectoral muscles - Bodybuilding - Steroids - USA The chest muscles are one of the largest muscle groups in humans, which is located on the outer surface of the thoracic region. In structure, they have the shape of a fan and consist of 3 main muscle bundles, Steroids of the pectoral muscles, Steroids, Training, Bodybuilding, Slimming, Sports, Active rest, the pectoral muscles, chest muscles, large muscle of the chest, small muscle of the chest, subclavian muscle, diaphragm , Steroids of the pectoral muscles, Steroids

Steroids trenbolone acetate of the pectoral muscles

The chest muscles are one of the largest muscle groups in humans, which is located on the outer surface of the thoracic region. In structure, they have the shape of a fan and consist of 3 main muscle bundles.
The chest muscles are one of the largest muscle groups in humans, which is located on the outer surface of the thoracic region. In structure, they have the shape of a fan and consist of 3 main muscle bundles. 

Chest muscles can be divided into two structures.

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The first group includes muscle fibers directly related to the shoulder girdle:

- small muscle of the chest;

- big chest muscle;

- gear;

- subclavian muscle. 

To the second belong to the actual chest muscles:

- external intercostal muscles;

- internal intercostal muscles.

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They are located in the intercostal spaces and are responsible for reducing the human diaphragm. 


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1. Big breast muscle has a powerful muscular structure and therefore occupies 90% of the chest. The main feature is their pairing and plane. It is this structure that predisposes to the development of maximum hypertrophy of the muscle group. 

Main functional features

The pectoralis major muscle is responsible for lowering the arm from the upper position directly to the torso. In this case, it produces a simultaneous rotation of the hand to the inside of the body. A large lever allows you to make the above movement powerful, high-speed and strong, this is what is needed for heavy training of the chest. 

2. Small chest muscle its shape resembles a flat triangle and is located under the main muscle. It begins in the area of ??the ribs and is attached directly to the shoulder blade. 

The main functional feature directed to the movement of the scapula and pushing it back and forth. 
 
3. Front gear is located laterally relative to the front of the pectoral muscle, which starts from the ribs and is attached in the area of ??the scapula.

Subclavian muscle located directly in the area of ??the clavicle. 

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Main functional activities the anterior muscle is aimed at turning and feeding the shoulder blade forward. The second muscle has one function, the movement of the clavicle down. 

4. Intercostal muscles There are two types: internal and external. They are attached to different parts of the ribs: this is necessary to ensure a normal process of exhalation and inhalation. 

Subcostal muscles mounted on the inside of the lower ribs. The main difference from the intercostal muscles is the uneven and more rare attachment of muscle bundles. 

Diaphragm - This is the muscular structure responsible for human breathing. It is movable, consisting of a septum, which is located between the cavities of the chest and abdomen. 

Functional features:

When the diaphragm is reduced, the chest plane moves away and the abdominal plane increases, respectively. The above action is accompanied by a breath of a person.

The contraction of the abdomen trenbolone and diaphragm increases intra-abdominal pressure. This integral physiological characteristic is very important when working with extreme weights. 

What should be noted from the above?

1. First, the muscles of the breast are unique in their physiology and genetic predisposition to growth. Muscle fibers of the chest are located in different directions. That is why it is necessary to train the chest from different angles. 

2. Secondly, the chest muscles are a large muscular group, so they are able to work in a power mode and endure high-intensity training.

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