Why Do Dogs Shake Thier Legs When You Pet Them in a Certain Area?

Answer

As far as I know dogs shake their legs when you pet them in a certain area because it feels good. The leg shaking is reflexive. It is a natural sign of pleasure.
Q&A Related to "Why Do Dogs Shake Thier Legs When You Pet Them..."
When you scratch a dog and his leg starts shaking, you are touching...
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Scratching a dog in the saddle region causes the hind leg to twitch or shake called a scratch reflex.
http://www.kgbanswers.com/why-do-dogs-legs-twitch-...
Stephen, I'm so sorry for not getting back sooner. I had no access to a computer. As for your question, I don't know. Maybe its because they really enjoy it and are trying to help
http://en.allexperts.com/q/Dogs-701/scratching.htm
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Dogs shake their legs when you pet them because of the scratch reflex. The scratch reflex is an involuntary reaction that happens when you scratch or tickle your ...
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