What Are Eccentric and Concentric Contractions? Eccentric contractions occur when a muscle lengthens under load, such as lowering a dumbbell during a biceps curl. Concentric contractions happen when ...

QUESTION: I have been doing the same workout for a year but wouldn’t mind mixing it up a bit. Any thoughts? ANSWER: It’s been said that the best workout for each of us is the one we will do. For some, ...

If you tend to breeze through the "easy" part of an exercise – like lowering into a squat or letting your dumbbells drop after a curl – you might be missing a major opportunity to build strength. That ...