When you land, you aren’t absorbing force, you’re producing it...
Fred Duncan@Fred__Duncan
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Oct 14, 2025
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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
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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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
– 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
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– 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
– 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
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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
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
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speed, with full examples and an 8-week program that puts it all in motion.
fredduncantraining.com/product/speed-…
fredduncantraining.com/product/speed-…