Why do we get muscle spasms?

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...

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...

Is it true that when you donate blood you get fat..?

It does hurt but I've had one all day and it's annoying. Any ways to stop it?

I thought maybe it is because the force of your sneeze makes your muscles spasm just like they do when you are cold. And when...

My wife and I moved this weekend, and my muscles hurt. Everywhere. Is there anything I can do to speed the recovery, as I fee...

I'm 20 years old. When I was about 6 or 7 I was diagnosed with partial complex seizure disorder and epilepsy. My seizures nev...

im only 14, but im getting muscle contractions as if i was pregnant , but i highly doubt i am. and if i was, at most i'd be...

I need more answers since the last time i asked , i dont know whats going on and am too afraid to go to the doctor. im only...

I don't know how to explain it. Have you ever felt your muscle like, spas a little, it was just a quick moment? If so you wi...