Muscles Of Pectoral Girdle (2) Flashcards
What is the function of the clavicular head of the pec major?
Flexion of humerus
What is the function of the sternocostal head of the pec major?
Extension of humerus from flexed position
What is the function of the clavicular head and sternocostal head of the pec major collectively?
Adduction and medial rotation of humerus
What does the dip exercise benefit?
Clavicular fibers of the pec
What fibers of the pec does a pullover cause to be more concentric?
Sternocostal fibers
What plane does a wide grip bench press occur in?
Transverse plane (sternocostal fibers more active)
What plane does a narrow grip bench press occur in?
Sagittal plane
(Clavicular fibers more active)
What is the importance of the serratus anterior?
Helps keep the scapula pressed up against the thorax