Any great force can cause a micro tear in the muscles and tendons of the lower back. This injury commonly occurs in sports such as weightlifting, football, basketball, baseball or golf that require pushing or pulling or sudden twisting of the back. The risk of back spasm is greater in people with: 1  A pelvis that tips forward more than normal.  Any back weakness such as arthritis, spondylolysis, spondylolisthesis, disc rupture or a herniated disc, spinal stenosis or a tumor.
The Uniform Time Act of 1966 established a system of uniform (within each time zone) Daylight Saving Time throughout the U.S. and its possessions, exempting only those states in which the legislatures voted to keep the entire state on standard time.
A time zone is a geographical area in which clocks are synchronised to show a uniform time, known as a âstandard timeâ. Due to the size of some countries and the location of places that come under their jurisdiction, one country can be divided into a number of time zones.France, for example, covers twelve time zones.he simplest way to discover the time in another part of the world is to consult this website. It will help you to establish which cities are in which time zones and tell you the standard times within each time zone.