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Interestingly, my first thought to your reply was how on earth can you pick your feet without looking at them?!! ;-)
OK OK so it happens when I look down at the floor, was trying to be too descriptive with the chin on chest thing!
It doesn't happen when I stand up or sit down zimzam, do you reckon it would do if was a trapped nerve then?
Funnily enough Panic Button I was in a Yoga session when I first realised that it was that movement that caused the pins & needles I'd had for a few weeks - it was like an epiphany. Well, they do say Yoga is an elightening experience!
I'm not particularly worried by it, just wondered if anyone had experienced it before...