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UE - Muscles

Anterior Chest

QuestionAnswer
Pectoralis Major - Origin Clavicular Head: Medial 1/2 of the Clavicle Sternocostal Head: Anterior Surface of the Sternum, 1st-6th Costal Cartilages, Aponeurosis of the External Oblique M.
Pectoralis Major - Insertion Lateral Lip of the Intertubercular Groove of the Humerus
Pectoralis Major - Innervation Lateral Pectoral N. (C5-C7) & Medial Pectoral N. (C8-T1)
Pectoralis Major - Action Humerus: Adduction, Medial Rotation Sternal Head: Helps Extend a Flexed Humerus Clavicular Head: Helps Flex Humerus
Pectoralis Major - Blood Supply Pectoral Branch of the Thoracoacromial Trunk A.
Pectoralis Minor - Origin 3rd-5th Ribs Anteriorly
Pectoralis Minor - Insertion Coracoid Process
Pectoralis Minor - Innervation Medial Pectoral N. (C8-T1)
Pectoralis Minor - Action Scapula: Protraction Closed Chain: Elevate Ribs
Pectoralis Minor - Blood Supply Pectoral Branch of the Thoracoacromial Trunk A.
Subclavius - Origin 1st Rib at Costochondral Junction
Subclavius - Insertion Middle 1/3rd Clavicle on the Inferior Surface
Subclavius - Action Clavicle depression
Subclavius - Blood Supply Clavicular Branch of the Thoracoactomial Trunk A.
Created by: CaitlinBukowski