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.
What is High Speed Sync Flash? High-speed sync flash is your DSLR's ability to use a flash at shutter speeds faster than the cameraâs native sync. Most cameras have a native sync of 1/250th of a second, and anything faster than that is beyond the camera's ability to sync the shutter with the flash.