Pectoralis Major Flashcards
(5 cards)
1
Q
Clavicular head
Where does it originate
A
Inner collarbone
2
Q
Sternocoastal head
Where do they originate
A
Sternum, upper ribs and outer abs area
3
Q
Clavicular + Sternocoastal head
Where do they insert
A
Humerus (upper arm bone)
4
Q
Clavicular head
What is its function
A
Lift arm up and slightly inwards at the same time (fibres run diagonally)
5
Q
Sternocoastal head
What are their functions
A
Pulls arm across the body inwards
