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 ZIP Code program expanded the code to 5 digits and extended it nationwide. Implemented by the U.S. Post Office Department in 1963, the ZIP Code uses a 5-digit code to identify the individual community post offices or, in large urban areas with multiple post offices, delivery stations in metropolitan areas associated with a given address.