Answer: You can have 50 geo-fences for each GPS vehicle tracking device and 50 global geo-fences per account. Each geo-fence is square and centered around an address that you specify.
1 Almost everyone experiences a muscle cramp at some time in their life. 2  There are a variety of types and causes of muscle cramps. 3  Numerous medicines can cause muscle cramps. 4  Most muscle cramps can be stopped if the muscle can be stretched.
How to Prevent Leg Cramps. There are a number ways you can alleviate nighttime leg cramps. Once leg cramps set in, the best method to relieve them is movement, either walking around or simply jiggling or shaking your leg, advised Hyland. In addition, things like pumping your ankles up and down or rubbing the muscles can help as well.