You all missed the real reason. Holding the hands behind the back allows walking and standing with a slight hunch forward. This relieves the nerve compression of sciatica, a common ailment of older people, especially men. It is possible that many who do this don't even fully recognize why they do it, but just that it makes them feel better.
FLASH Application. Online Application for an Insurance License. The California Department of Insurance (CDI) requires California resident applicants to first pass the qualifying license examination prior to submitting their license application.
Adobe's Flash Player is one of the most popular plug-ins on many websites, developed as multi-platform software for use on all the major operating systems. This plug-in provides what is called Active Content, meaning it adds additional functionality to web pages for interactive or media-related capability.