Lucas Downey is the co-founder of MoneyFlows, and an Investopedia Academy instructor. Katrina Ávila Munichiello is an experienced editor, writer, fact-checker, and proofreader with more than fourteen ...

Eccentric exercise focuses on movements, or phases of a movement, that lengthen the muscles. Some examples of eccentric exercise include lowering into a squat or lowering into a press-up. In contrast, ...

Compound exercises are exercises that work multiple muscle groups at the same time. For example, a squat is a compound exercise that works the quadriceps, glutes, and calves. You can also do compound ...