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Fred Duncan
@Fred__Duncan
When you land, you aren’t absorbing force, you’re producing it eccentrically to control momentum and redirect motion.

There are different ways to use eccentrics and help develop this quality

– Tempo eccentrics - slower lowering submax loads to build control and positional
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Fred Duncan
@Fred__Duncan
strength.
– EQIs (Eccentric quasi-isometrics) - holding an iso until failure and then resisting eccentric contraction for tissue tolerance and motor control.
– Overspeed eccentrics - using assistance or external load to increase the velocity of lengthening…higher neural demand
Fred Duncan
@Fred__Duncan
– Supramaximal eccentrics - loads above your concentric max
– Plyometrics - the most specific expression, training the ability to utilize the stretch shortening cycle.

Each method stresses the body differently and the art is knowing when and how to use each.
Get it wrong, and
Fred Duncan
@Fred__Duncan
you just create fatigue.
Get it right, and you build athletes who can control, redirect, and reuse force efficiently.

Inside Speed Kills, I break down how to actually apply these methods, how eccentric strength, stiffness, and reactive ability come together to produce real
Fred Duncan
@Fred__Duncan
speed, with full examples and an 8-week program that puts it all in motion.

fredduncantraining.com/product/speed-…
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