Anatomy Of Pectoral Muscles

There are two such muscles on each side of the sternum breastbone in the human body. The function of the pectoralis major is to bring the humerus across the chest.

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It is large and fan shaped and is composed of a sternal head and a clavicular head.

Anatomy of pectoral muscles. The pectoralis major is a thick fan shaped muscle situated at the chest of the human body. Functions of the chest muscles. All about the chest muscles function of the chest muscles.

Explore and learn about the pectoral muscles with our 3d interactive anatomy atlas. The distal attachment of both heads is into the intertubercular sulcus of the humerus. The pectoralis major muscle is a strong fan shaped muscle of the shoulder joint.

The pectoralis major the larger and more superficial. Attached to the shoulder blade this muscle is one of many. The major muscles in the upper torso of the body include.

A flye movement is the best example of this action. The pectoralis major is a large substantial fan shaped muscle. It decisively shapes the surface anatomy of the breast.

Adducts and medially rotates the upper limb and draws the scapula anteroinferiorly. Pectoralis major and pectoralis minor. The pectoral major may colloquially be referred to as pecs pectoral muscle or chest muscle due to it being the largest and most superficial muscle.

The pectoralis majors primary functions are flexion adduction and internal rotation of the humerus. The innervation is carried by the medial and lateral pectoral nerves c5 t1 direct branches of the brachial plexus. Explore and learn about the pectoral muscles with our 3d interactive anatomy atlas.

This muscle extends across the neck shoulder and back. The pectoralis minor serves to move the shoulder area forward. Medial and lateral pectoral nerves pectoral branch of the thoracoacromial trunk.

Furthermore it participates in forming the anterior wall of the axilla. Beneath the pectoralis major is the pectoralis minor a thin triangular muscle. Anatomyzone 1 free online anatomy resource.

It makes up the bulk of the chest muscles and lies under the breast. The muscles of the chest and upper back occupy the thoracic region of the body inferior to the neck and superior to the abdominal region and include the muscles of the shoulders. This rotator cuff muscle helps raise and lower the arm.

The chest is part of a larger group of pushing muscles found in. The pectoralis minor is a thin triangular muscle that. Pectoralis muscle any of the muscles that connect the front walls of the chest with the bones of the upper arm and shoulder.

These important muscles control many motions that involve moving the arms and head such as throwing a ball looking up at the sky and raising your hand. This can be seen by shrugging your shoulder forward.

Pectoralis Minor Muscle Anatomy Innervation Function Kenhub