Abnormal posturing is different from bad posture or slouching.. Instead, it involves holding a body position, or moving one or more parts of the body in a certain way. Abnormal posturing may be a sign of certain injuries to the brain or spinal cord.
Follow @TIME. 1963 was a momentous year in America: President John F. Kennedy was assassinated, Martin Luther King Jr. delivered his âI Have a Dreamâ speech at the March on Washington and, somewhat less heralded by all but the most fervent postal historians, the ZIP code was introduced.
Updated August 03, 2017. ZIP Codes, five digit numbers that represent small areas of the United States, were created by the United States Postal Service in 1963 to aid in the efficiency of delivering the ever-increasing volume of mail. The term ZIP is short for Zone Improvement Plan..