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Training/ Term

Concentric

"The shortening phase of a rep, where the muscle contracts to move the load."

Definition

The full breakdown. What it is, why it matters, how to use it.

The concentric phase is the 'lifting' portion — standing up from a squat, pressing a bench up, pulling up to a bar. It produces less muscle damage than the eccentric but is where force output and power are trained.

Q & A

Real Questions

01 answered
Question 01

Should the concentric be fast or slow?

Lift the concentric with intent — as fast as form allows. Slow concentrics reduce neural drive without adding hypertrophic benefit.

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