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.
In some cases, leg cramps are caused by chronic conditions that require medical attention, including issues with blood flow and nerve compression. If you develop leg cramps that are not prompted by physical activity, or the causes listed above, then seek medical attention.