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 ...

Add Yahoo as a preferred source to see more of our stories on Google. There are actually three phases of each rep: the concentric (the “up” portion), the eccentric (the “lowering” portion), and the ...

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 ...

When muscle cells are viewed under the microscope, one can see that they contain a striped pattern (striations). This pattern is formed by a series of basic units called sarcomeres that are arranged ...

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 ...

To speed up your progress in the gym, try this tried and true technique.