Why do your muscles twitch?

It's so annoying... the muscles in my back, right over my left shoulderblade and the bottom of my neck are twitching since ye...

I sat on my foot wrong and now it won't quit twitching!! DDXX any way to stop twitching??

how can i sprain my shoulder/wrist/elbow/ankle quick!?

I did 100 sit ups last nite, I usually do about 20 sit ups for gymnastics, and now my stomach muscles are kiling me! did I p...

ok, im an insomniac, and I get bored quite easily. but lots of people I know say im insane. anyway, I was up last night, and ...

My eyebrow keeps twitching. It's been doing this all day and it's getting annoying. Why is it doing this?

How can we move our eyebrows, is there like a muscle or something ? o.o

ive had one in my leg for three days and its annoying ive been exercising more lately, could that be the cause? the spot abov...

My left eye has a constant twitch and it gets annoying. Should I go to the doctor for this??? Its been on going for two wee...

My boyfriend keeps getting muscle spasms in his leg and its been going on for like 4 days. He plays football so I dont know i...