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 ...

When doing resistance training, you will do two movements which are either eccentric and concentric. Whether you are pushing, pulling or raising, you will do these movements every time. Both movements ...

Concentric exercises have the ability to increase the strength of your muscles, but you run the risk of injury when doing these training exercises. There are many type of concentric exercises, all of ...

Time under tension (TUT) refers to the time muscles spend active during an exercise. We cover how it works and the benefits ...

Banging out reps is pretty straightforward, generally speaking. Lift the weight, lower the weight, repeat. But if you break down the anatomy of a repetition, there’s more going on than meets the eye.

If you're like most guys in the gym, when you’re doing a big lift—whether it’s a max bench, a PR squat, or the last rep of a strip set of curls—you’re focused on one thing: Getting that weight up. The ...

Disorders in the metabolism of glucose and lipids have reached an epidemic dimension. Important reasons for this tremendous problem are overweight and a lack of exercise. There are plenty of data ...