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.

Contraction is this nation's latest spelling word. It's the talk of Major League Baseball and soon fourth graders everywhere will be forced to learn the word. Our oldest daughter, Becca, is in fourth ...

The U.S. manufacturing sector shrank for the fifth month in a row in July 2025. The Institute for Supply Management (ISM) reported a Purchasing Managers’ Index (PMI) of 48.0, down from 49.0 in June. A ...