why does my dogs leg twitch??

[Nellymay]

Whenever i scratch his belly in a certain place his back leg twitches - is this normal?
it happens by itself too without us touching him., its quite funny to watch but I'm still a bit worried about it as its only come on in the past month or so

Totally normal, you've caught him on a nerve or 'tickley spot' as we call them

Even if its a recent thing, lil?

If he is walking normally I wouldn't worry.