Runner Training 101: Importance of Ecccentric Hamstring Training for Runners

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According to the conclusions of a study published in the Journal of Sports Medicine in 2006,

“Overground running (running a marathon) is associated with eccentric hamstring fatigue. Eccentric hamstring fatigue may be a potential risk factor for knee and soft tissue injuries during running. Eccentric hamstring training should therefore be introduced as an integral part of the training programme of runners.”

But what does eccentric even mean? Well, an eccentric muscle contraction is one in which the muscle is lengthening. Yes, your muscles are still contracting during the lengthening process. This contraction allows for a controlled movement during elongation.

The eccentric strength of any