A French-Australian study finds the way your muscle groups work together is unique. Like your iris, fingerprints and voice, your gait is an example of the immutable exceptionalism that makes you you. This insight may one day help identify you at a border crossing, but could also help with designing better prostheses, physical therapy and robotics.
Further Reading
Individuals have unique muscle activation signatures as revealed during gait and pedaling
Something in the Way We Move