5 ms·Actually I feel like moving very slow is also a way to increase intensity.by baxtr 4d agoActually I feel like moving very slow is also a way to increase intensity.naasking 4d agoMove fast on the concentric (increases power), move slowish on the eccentric.baxtr 4d agoYes. Although as you get older moving fast on the concentric might also increase your chances of injury.