pectoralis major muscle

Anterior surface of sternum superior six costal cartilages and aponeurosis of external oblique muscle. Pectoralis major is a thick fan-shaped or triangular convergent muscle which makes up the bulk of the chest muscle.

Pectoralis Major Stretch Yoga Anatomy Muscle Anatomy Anatomy

From the outside the pectoralis major looks like one muscle.

. It lies under the breast. The pectoralis major muscle is a broad superficial muscle found superficially in the anterior chest wall. The pectoralis major extends across the upper part of the chest and is attached to a ridge at the rear of the humerus the bone of the upper arm. The pectoralis major muscle is a large powerful muscle at the front of the chest.

Der Musculus pectoralis major ist ein starker fächerförmiger Muskel des Schultergelenks. Pectoralis minor With a proximal insertion origin at the superior and ventral surfaces or ribs 35 and a lateral insertion at the coracoid process of the scapula P. Anterior surface of sternum superior six costal cartilages and aponeurosis of external oblique muscle. Pectoralis Major muscle Origin of Pectoralis Major Clavicular head.

The pectoralis major is active in deep or forced inspiration but not expiration. The pectoralis major the larger and more superficial originates at the clavicle collarbone the sternum the ribs and a tendinous extension of the external oblique abdominal muscle. Anterior surface of medial half of clavicle. A thick and fan-shaped like muscle the pectoralis major is essentially the main component of a male chest and lies beneath the breast tissue in women.

Adducts and medially rotates humerus. Anterior surface of medial half of clavicle. The sternalis muscle is a strip of anterior and lateral muscle to the sternum and lateral to the pectoralis major muscle with a population response of 5 to 8. It is large and fan shaped and is composed of a sternal head and a clavicular head.

Responsible for the movement of the shoulder joint primarily the pectoralis major has four major actions. Basics of Pectoralis Major. Origin insertion innervation and function. Symptoms of a pec major sprain include a sudden sharp pain at the front.

Der Musculus pectoralis major ist ein großer kräftiger und fächerförmiger Muskel der am oberen Teil des knöchernen Thorax direkt über dem Musculus pectoralis minor liegt. Seine Form bestimmt entscheidend das Oberflächenrelief der Brust. Its weak point is where the tendon attaches to the arm bone and a strain or rupture can happen here when it is put under stress when weight training for example. Insertion of Pectoralis Major Lateral lip of intertubercular groove of humerus.

The pectoralis majors primary functions are flexion adduction and. Lateral lip of intertubercular groove of humerus. But actually it consists of three parts. Its insertion is quite variable and not always.

It builds up the majority of the chest muscles and lies under the breast. Muscle ActionFunction of Pectoralis Major Adducts and medially rotates. Muscle facts about the pectoralis major. Musculus pectoralis major.

Draws scapula anteriorly and. It is large and fan shaped and is composed of a sternal head and a clavicular head. Learn more about the muscles of the ventral trunk with our quiz at http. Theyre different muscles as stated in the collapsed answers.

Er gehört zu den äußeren Brustmuskeln die den ventralen Schultergürtel mit dem Rumpf verbinden. The pectoralis major muscles is a thick fan-molded or three-sided focalized muscle located at the chest of the human body. Sternocostal head and Clavicular head. Answer 1 of 2.

Des Weiteren ist der Musculus pectoralis major an der Bildung der ventralen Wand der Achselhöhle beteiligt. It serves to flex extend and rotate the humerus the long bone of the upper arm. The pectoralis major is the most superficial muscle in the pectoral region. Clavicular part comes.

Adducts the arm at the glenohumeral joint entire muscle. The pectoralis major attaches from the medial clavicle sternum and the costal cartilages of ribs 1-7 to the lateral lip of the bicipital groove of the humerus. Below this muscle lies the pecoralis minor. Pectoralis major is one of the muscles that move the humerus at the shoulder joint.

In males it is covered by the deep layer of fascia subcutaneous tissue and the adjacent skin. Musculus pectoralis major. The distal attachment of both heads is into the. The pectoralis major is the most superficial muscle in the pectoral region.

The pectoralis major is the pectoralis minor a flimsy three-sided muscle. It is inserted at the level of the manubriosternal junction and arises from the sternal handlebar and with myofascial continuity with the sternocleidomastoid muscle. The Pectoralis Major is composed of two heads. Everyone is familiar with bodybuilders squeezing their arms in front of their body to show off their big pecs.

Its a broad powerful muscle and the larger of the two pectoralis muscles. Every one of the three parts has its own and separate origin while all its fibers fuse together at the same spot namely at the upper side of your arm pit The three parts are named after the location of their origin. In females it is covered by the breast. It is used to rotate the arm inwards.

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