All symptoms of leg pain caused by the conditions listed above are often referred to as sciatica. This is because the pain often radiates along the sciatic nerve, which originates with certain nerve roots in the low back and runs through the back of each leg into the foot.
Trackback - A method by which a blogger receives notification which other bloggers link to his or her blog entry
What does it mean to ping something? A ping is a term used to refer to a tool that checks to see if a website is down or not. In the context of Web search, pinging a Web site basically means that you're endeavoring to determine whether a specific Web site is having issues; it could also help narrow down connectivity problems when you're attempting to upload or download something.