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FR“Isometric” doesn’t mean nothing moves…
It means muscles are producing force with very little shortening while joints and tendons handle the motion.
At sprinting speeds, ground contact is too short to rely on big concentric actions.
Force has to be present early, held briefly and applied efficiently.
That’s why speed is less about pushing harder and more about staying organized under load.
This is exactly how I think about sprint training inside Speed Kills, how strength, plyometrics, and sprinting actually fit together from acceleration to max velocity, and why exercise selection and volume matter.
It’s not just what to do. It’s why it works and when to use it.
Link’s in the bio.
#speedtraining #plyometrics #isometric #sprinting #sprints
@fred_duncan
