As pregnancy progresses, you might find yourself thinking about labor and contractions. Learn about types of contractions, how they feel, and what they mean. Whether you're currently pregnant or ...

A concentric contraction is a type of muscle activation that causes tension on your muscle as it shortens. As your muscle shortens, it generates enough force to move an object. This is the most ...

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.

If you’re a first-time mom, you might be nearing your delivery day with some anxiety. It’s normal to wonder when labor might start and how it will feel. Though there are many signs that you’re in ...