Title: Anat & Phys 1/9/07 Anatomy Complete skinning 11/10/2018 Title: Anat & Phys 1/9/07 Objectives: . Class Topics Anatomy Review Chest muscles Complete skinning Reflect chest muscles “It is not enough to have a good mind; the main thing is to use it well.” Rene Descartes Saturday, November 10, 2018 6:08 AM
Class Assignments Chest muscle quiz 1/16/07 Due this class period 11/10/2018 Class Assignments What By When Chest muscle quiz 1/16/07 Due this class period Due next class period Due in the future
Review What is a synergist? What is an antagonist? 11/10/2018 Review What is a synergist? What is an antagonist? What is a prime mover? What are the attachments for the pectoralis major? How does the pectoralis minor aid in breathing? How did the serratus anterior get its name? What are the origin and insertion? Are they interchangeable?
Chest Pectoralis major Pectoralis minor Xiphihumeralis 11/10/2018 Chest Pectoralis major Pectoralis minor Xiphihumeralis Pectoantebrachialis Intercostals Serratus anterior
Pectoralis Major Attachments Prime mover in pushing forward 11/10/2018 Pectoralis Major Attachments Sternum, clavicle, and cartilage of ribs 2-6 Greater tubercle of humerus Prime mover in pushing forward
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Pectoralis Minor Attachments Actions ribs 3-5 11/10/2018 Pectoralis Minor Attachments ribs 3-5 Coracoid process of scapula Actions Elevates ribs - heavy breathing Rotates scapula
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11/10/2018 Xiphihumeralis Attachments Xiphoid process Humerus
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Pectoantebrachialis Found only in the cat 11/10/2018 Pectoantebrachialis Found only in the cat used as a synergist to pectoralis major and deltoids (clavobrachialis)
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Serratus Anterior Attachments Action ribs (anterior regions) scapula 11/10/2018 Serratus Anterior Attachments ribs (anterior regions) scapula Action Pulls the scapula forward
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11/10/2018 http://forum.bodybuilding.com/photo/showphoto.php?photo=18620&cat=2
Intercostals Muscles found between the ribs 11/10/2018 Intercostals Muscles found between the ribs Used to elevate or depress the ribs Used in breathing along with the diaphragm
Dissection Complete the reflection of the chest muscles 11/10/2018 Dissection Complete the reflection of the chest muscles Not the intercostals!