Exhibits/Lab Printouts Flashcards
1
Q
what does the expanded sternum allow in birds?
A
provides an expanded site for attachement of the massive flight muscles
2
Q
what muscle is the blue pin and which muscle is the yellow?
A
yellow pin: supracoracoideus
Blue Pin: Pectoralis
3
Q
the ————- adducts the humerus to generate aerodynamics lift with a powerful downstroke of the wing.
A
pectoralis
4
Q
what muscle abducts the humerus and elevates the wing in preparation for another wing beat?
A
supracoracoideus
