Muscle contraction is the tightening, shortening, or lengthening of muscles when you do some activity. It can happen when you hold or pick up something, or when you stretch or exercise with weights.

Contractions are a sign that your body is getting ready for one of the biggest moments of your life. You might be asking yourself what they will feel like or how you will handle them when they start.

There's a big learning curve when it comes to pregnancy. For many expecting parents, just thinking about contractions can be nerve-wracking because they are associated with pain and the start of labor ...

Researchers funded by the National Institutes of Health have developed a new imaging tool, called electromyometrial imaging (EMMI), to create real-time, three-dimensional images and maps of ...