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.
In 1943, the Post Office Department implemented a system of postal zoning that was used until the debut of the new ZIP Code system in 1963. In 1943, the Post Office Department implemented a system of postal zoning that was used until the debut of the new ZIP Code system in 1963.