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A Guide to the Muscles of the Chest

A Guide to the Muscles of the Chest

The chest is comprised of 2 main muscles groups-- the pectoralis major and pectoralis minor-- and one small muscle, the serratus anterior. All these muscles, except the serratus anterior, connect the bones of the chest at various indicate the shoulder and arms.



Pectoralis Major

This fan-shaped muscle covers much of the chest area and divides into 3 different heads-- the sternocostal, abdominal and clavicular. Nevertheless all the heads connect to the humerus on one end.

Sternocostal - The sternocostal head connects midline of the chest at the breastbone and cartilage running to the ribs (at the second to the sixth).

Abdominal-- Sitting under the sternocostal, this head connects to the breastbone and the second to sixth rib cartilage likewise.

Clavicular-- Sitting on top of the sternocostal, it links at the collarbone instead of the breastbone.

All 3 heads have the precise same function-- allowing us to move our arms throughout our body.

Pectoralis Minor

Smaller than the significant, it sits just beneath it and connects to the shoulder blade on one end and from the third through the fifth ribs on the other end. The small enables the shoulder to move down and forward and is the opposing muscle group of the trapezius.

Serratus Anterior

Linking the shoulder blade to the upper 8 ribs, these muscles runs down the side of the body almost across the whole width of the shoulder blades. They enable the shoulder blades to thrust forward as when pushing something. They are also made use of in breathing: bending on the inhale, contracting on the exhale.

Structure Chest Muscle

Right here are some workouts that target each of the chest muscle groups:

Pectoralis (both significant and small)-- incline barbell, dumbbell bench press and incline dumbbell flyes (all done at a 30 to 45 % slope), decrease barbell, dumbbell bench press and decrease dumbbell flyes (all done at a 30 to 45 % decline).


Serratus Anterior-- wall and floor presses, yoga poses: downward dog, the dolphin, handstands, and the wheel and forearm balances.

The muscles of the chest generally allow us to move our arms multi-dimensionally and to press things forward. As with other groups of muscle, make certain to work each one similarly. Not just will it give you a more well balanced look, it will minimize the risk of an injury. With these muscles, an injury will probably hurt whenever you breathe till healed.

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