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Muscles of body p2

QuestionAnswer
Origin of Latissimus Dorsi Spines of the thoracic and all lumbar vertebrae and iliac crest. intertubercual sulcus of humerus
Insertion of Latissimus Dorsi intertubercual sulcus of humerus
Action of Latissimus Dorsi Extend arm, adduct arm, medially rotate arm
Origin of Pectoralis Major Sternal end of clavicle, sternum and ribs 1-6
Insertion of Pectoral Major Greater tubercle of humerus and intertubercular sulcus
Action of Pectoral Major Adducts and medially rotates arm (at shoulder)
Origin of Rectus Abdominis Pubic symphysis and crest
Insertion of Rectus Abdominis Xiphoid and cartilage of ribs 5-7
Action of Rectus Abdominis Flex and rotate vertebral column
Origin of Internal intercostals Superior boarder of rib below
Insertion of Internal intercostals Inferior border of rib above
Action of Internal intercostals single - elevate inferior rib towards superior rib; as a set - depress and compress rib cage
Origin of External intercostals inferior boarder of rib above (bottom edge of rib Above)
Insertion of External intercostals Superior boarder of rib below
Action of External Intercostals Single - depress superior rib toward inferior rib; as a set - depress and compress rib cage
Created by: user-2020987
 

 



Voices

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