Dog ears have a much wider range of movement in their ears than humans do. (atlantahumane.org)
Now, so far my experience wiht the iPad is that I have a much wider range of movements with my hands than I do with a computer keyboard. (gigaom.com)
The robots also demonstrated a wide range of movement, like using single legs to walk, using different step sequences, and using legs and wheels simultaneously. (sciencedaily.com)