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.
The final two digits designated small Post Offices or postal zones in larger zoned cities. The ZIP Code began as scheduled. At first, use of the new code was not mandatory for anyone, but in 1967, the Department required mailers of second- and third-class bulk mail to presort by ZIP Code. The public and business mailers alike adapted well to its use. n.