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.
Leg cramps are sudden, painful involuntary contractions of a leg muscle. The cramp usually only lasts a few minutes, sometimes a few seconds. Rarely though, they can last up to 10 minutes. Sometimes the pain is so severe that the patient is woken up and has a tender muscle for up to 24 hours afterwards.