Add Yahoo as a preferred source to see more of our stories on Google. A muscle spasm, also known as a cramp, twitch or charley horse, is the sudden and involuntary forced contraction of a muscle.

Add Yahoo as a preferred source to see more of our stories on Google. Many of us have felt a muscle in some part of our body suddenly and involuntarily tighten, causing a twitch or even severe cramp.

If painful leg cramps have woken you up in the middle of the night, the condition can be both scary and confusing. You may think it’s due to the position you’re sleeping in — but there’s more to know ...

Many of us have had this dreaded experience: you’re asleep or lying in bed, minding your own business, when all of a sudden you feel an excruciating, twisting, tightening, pain in one of your calves.

Dear Dr. Roach: I’ve had muscle spasms and cramping in my lower legs and feet for quite some time. It almost always happens when I’m laying in bed and in the early morning hours. If I stand up and ...

How do you really want to age? Because to me, gracefully is beginning to sound a little... boring. This idea was first seeded by a recent conversation I had with Kate Rowe-Ham renowned Women's Health ...