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, sometimes called Charley horses, are a common ailment, especially for pregnant women, the elderly, and people who engage in sports. A sudden contraction, usually of the calf muscles, causes sharp pain that can last anywhere from a few seconds to 10 minutes. While leg cramps can be prevented, you can relieve an acute leg cramp with prompt movement and massage.