Used this as the post header image at http://easybuypal.com/learn/chin-ups-vs-pull-ups/

used css to hang this little guy of fsome rounded borders....exactly positioned him looks like he's doing a pull up on the page border

used to show a chin up grip

used to show a pull up grip

colour coded to show the primary, secondary & rest of the muscle grouped used when performing by chin up

colour coded to show the primary, secondary & rest of the muscle grouped used when performing by pull ups