The phrase "eccentric muscle" refers to the type of muscle contraction when it is elongating or stretching out. It happens when you are lowering or lowering a weight and is an important part of exercising and building strength. Full definition
In fact, our muscles are actually stronger during eccentric muscle actions! (sixstarpro.com)
Studies have shown a great reduction in eccentric muscle contractions and peak torque. (blog.bridgeathletic.com)
This fascinating study set out to assess whether velocity - specificity would still occur when training with eccentric muscle actions at a moderate velocity (60 degrees / s). (strengthandconditioningresearch.com)