Pectoralis major sternal origin of halloween

Pectoralis Major: Action, Origin& Insertion. Chapter 7 Lesson 1. Lesson; Quiz Both the clavicular and sternal heads of the pectoralis major muscle have the same two points of insertion. Oct 10, 2015 How to assess the Pec Minor& Pec Major, Lats and Rotator Cuff muscles Duration: 8: 15.

John Gibbons 18, 796 views How can the answer be improved? Pectoralis Major Muscle Pectoralis major is a thick, fanshaped muscle contributing to the thoracobrachial motion. It consists of a clavicular part and a sternal part, both converging to a flat tendon that inserts on the humerus.

The sternal head of the pectoralis major is a stronger shoulder transverse flexor (shoulder internally rotated) than transverse adductor (shoulder externally rotated).

It is a stronger shoulder adductor when the shoulder is internally rotated. Muscle Anatomy of the Pectoralis Major Sternal Head Origin: Lateral aspects of the manubrium and body of the sternum, the upper six costal cartilages and the aponeurosis of external abdominal oblique The pectoralis major (from Latin pectus, meaning 'breast') is a thick, fanshaped muscle, situated at the chest of the human body.

It makes up the bulk of the chest muscles and lies under the breast. The pectoralis major is a large, fanshaped chest muscle. major is the largest and most superficial of the anterior axioappendicular muscles, lying superficial to the entire pectoralis minor and subclavius, and part of the its still possible to build an excellent physique despite having suboptimal sternal head origin attachments.



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