Pectoralis Major & Minor, Serratus Anterior
Pectoralis Major Joint Actions
Adduction of the shoulder Horizontal Adduction of the Humerus Medial Rotation of the Humerus
Pectoralis Minor Origin
Anterior surface of ribs 3-5 near costal cartilage
Pectoralis Major Origins
Clavicular Head: Medial half of the clavical Sternal Head: Sternum, Cartilages of the upper 6 ribs
Pectoralis Minor Insertion
Coracoid Process of Scapula
Pectoralis Major Insertion
Lateral lip of bicipital groove of the humerus
Pectoralis Minor Joint Actions
Protraction Depression Downward Rotation of the Scapula (Adduction)
Serratus Anterior Joint Actions
Protraction of Scapula Upward Rotation of the Scapula (Abduction)
Serratus Anterior Insertion
Vertebral border of the scapula
Serratus Anterior Origin
Outer surface of upper 8 ribs