Had a Taekwondo class tonight.. pretty tough one (I'm 47 and started a year ago..mad!)
Got home, knackered, had a shower and struggled to dry my hair as my right arm felt shaky. No pain but now if I move my arm it shakes and my little and ring finger are limp.. can't lift them and they are curled in..I'm struggling to lift my arm at all! (Luckily I can type left handed 
I'm guessing I have squished a nerve or something ? Wondering if anyone has had anything like this, and do I need to see a gp or will it go away? Driving is going to be fun tomorrow :/