The pectoralis major muscle forms the rounded curve of the shoulder. The bulk of the chest is made up of the pectoralis major which is why it is also called.
Pectoralis Major Function Origin Insertion Innervation And Location Human Anatomy Human Body Human
Pectoralis major muscle Musculus pectoralis major The pectoralis major is a paired superficial muscle located on the anterior surface of the thoracic cage.
WHERE PECTORALIS MAJOR LOCATED. Muscle facts about the pectoralis major. The pectoralis major is a thick triangular-shaped muscle located on both sides of the chest. 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.
The pectoralis major lies underneath is and is usually best viewed just below the pectoantebrachialis. This large fan-shaped muscle stretches from the armpit up to the collarbone and down across the lower chest region on both sides of. Where is the pectoralis major Located in a cat.
Where Is the Pectoralis Major Located The Pectoralis Major spans the upper chest and inserts into the Humerus bone. 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. Below this muscle lies the pecoralis minor.
This is the large upper portion of the chest and is involved in many pushing movements. What is the insertion of the pectoralis major. The pectoralis major is innervated by the lateral pectoral nerve which can be located just inferior to the clavicle with the pectoral branch of the thoracoacromial artery.
It attaches to the ribs and serves to stabilize the scapula the large bone of the. Origin insertion innervation and function. It is a thick fan-shaped muscle and is the most superficial one in the chest area.
The xiphihumeralis is named for its attachment to the xiphoid process of the sternum and the humerus. The pectoralis major muscle is a large muscle in the upper chest fanning across the chest from the shoulder to the breastbone. The clavicular head is the most superior unit of the pectoralis major and is a single architectural segment that cannot be further divided.
The pectoral region is located on the anterior chest wall. The pectoralis minor is below the major. Responsible for the movement of the shoulder joint primarily the pectoralis major has four major actions.
The pectoralis major is a muscle that is situated in the chest region of the human body. Learn more about the muscles of the ventral trunk with our quiz at http. This is a large muscle thats more visually prominent in males as its hidden underneath female breasts.
The pectoralis major pectoralis minor serratus anterior and subclavius. The clavipectoral triangle a small surface depression bordered by the deltoid and pectoralis major muscles is where the ________ terminates. In this article we shall look at the anatomy of the muscles of the pectoral region their attachments actions and innervation.
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. Pectoralis major is a thick fan-shaped or triangular convergent muscle which makes up the bulk of the chest muscleIt lies under the breastIt serves to flex extend and rotate the humerus the long bone of the upper arm. Pectoralis minor is a thin triangular muscle located beneath the pectoralis major.
This muscle makes up most of the chest muscles in both males and females although its less visible. It contains four muscles that exert a force on the upper limb. Its main function is to flex and rotate the humerus a long bone in the upper arm.
The pectoralis major muscle consists of clavicular and sternal heads and variable contributions from the costal attachments inferior to the sternum which are sometimes considered to be an abdominal head. The major muscle in the chest is the pectoralis major. If youre a gym lover youll hear these muscles also being referred to as the pecs muscles.
The medial pectoral nerve passes through the pectoralis minor muscle and sends 2 to 3 branches to the pectoralis major. The pectoralis major is a muscle located in the chest of the human body.
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