'(<a href="http://www.j-archive.com/media/2011-10-03_J_17.wmv">Jimmy of the Clue Crew shows the clue on the monitor and demonstrates.</a>)  These fan-shaped muscles are used to lift the arms up as well as turn the arms inward'
the pectorals
THE HUMAN BODY: These fan-shaped muscles are used to lift the arms up as well as turn the arms inward
These fan-shaped muscles are used to lift the arms up as well as turn the arms inward
These fan-shaped muscles are used to lift the arms up as well as turn the arms inward
THE HUMAN BODY
the pectorals
THE HUMAN BODY