According to legend, Pheidippides ran 26 miles from Marathon to Athens carrying a message. When he arrived in Athens, he collapsed from heat exhaustion and cried "Victory" before he died. This is how marathons have their named and they are just over 26 miles long.
It is a medical code which is taken by doctors, even today. It states what the must and must not do when the practice their profession.
LaLanne developed many fitness routines such as water aerobics and introduced the first leg extension machine.