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.
See your doctor if you frequently get painful cramps. On rare occasion, they can signal medical problems involving circulation, nerves, metabolism, hormones, medications, or nutrition. Once you get a clean bill of health, you might consider acupuncture or massage therapy; both can help relieve persistent cramping. Take these immediate steps to ease a leg cramp: Gently stretch and massage the painful muscle, holding it in a stretched position until the cramping stops.