06/06/2026
A lot of fast sprinters demonstrate good knee lift.
But is the knee lift creating the speed or is it showing up because the athlete is already moving fast, putting large amounts of force into the ground and repositioning the limbs efficiently?
One study on frontside mechanics found that the frontside variables they measured were not significantly associated with maximal sprint velocity.
That doesn’t mean frontside mechanics don’t matter…
It means we need to be careful confusing what fast athletes show with what actually creates speed.
And I’ve seen this play out with a ton of young athletes who have been coached to think “knees up, knees up,”
You can usually spot it pretty quickly.
They almost start tiptoeing down the track, reaching for the ground, and landing in that squatted/seated position instead of striking the ground from a strong position.
The better question isn’t “How do I get my knees higher?”
It’s “What mechanical qualities and actions produce faster sprinting?”
That’s what I try to do with my resources.
Force and Expression gives you the why behind acceleration, max velocity, speed endurance, plyometrics, agility, and strength training.
Speed Kills gives you the how with an 8-week speed program you can actually follow.
Speed Kills has now been used by nearly 1,100 coaches and athletes around the world, and the feedback is always the same: faster, stronger, more explosive, and healthy enough to keep training.