In contrast, exposing the muscle to a high-degree of tension, especially while  the muscle is lengthening, also called an eccentric contraction, generates effective conditions for new growth.
Nasuprot tome, izlažući mišiće visokom stupnju napetosti, pogotovo kad se oni produljuju, tijekom takozvane  ekscentrične kontrakcije, stvaraju se učinkoviti uvjete za njihov novi rast.