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1/12/2015 9:42:56 PM - David Adamson
I just finished your Applied Sprint Training book. Several times you have mentioned running hills as a means to restrict or limit the intensity of speed work. If speed output is the indicator of intensity, then sprints with a sled would also be lower intensity than sprinting alone, even when performed maximally, correct? Furthermore, how would overspeed training compare? Would this be a higher intensity than sprinting itself?

Would this also apply to jump and plyo training, as well? To keep this simple, let's use the box jump as an example: box jumps with a weight vest = low intensity, body weight jumps up = mod intensity, and depth jumps = high intensity.

Thank you,
David Adamson

David, intensity is characterized by force: velocity characteristics and NOT, as much of the misdirected information in circulation suggests, effort.

In this way, sprinting with a 2m/s tailwind is more intensive than sprinting with a 0m/x tailwind which is more intensive than sprinting into a 2m/s head wind.

Both the achievable movement velocity as well as ground contact force is greatest with the tailwind, second greatest with no tailwind, and least into the headwind.

Similarly, a depth jump from a 1m box is more intensive than a landing only from a 1m box, which is more intensive than a box jump up to a 1m box; and so on and so forth...

The ground force dynamics are greatest in the depth jump, second in the landing, and least in the box jump up.

It is essential to apply the fundamental principles, in this case force:velocity characteristics, towards sport training problem solving. Interestingly, however, this is not done by coaches which is why sport practices of all kinds are wildly mismanaged on multiple levels and often occur later in the day following general physical conditioning- which is also a flawed sequence.

As to the domain of misdirected conventional wisdom which prevails and thus the eventuality of the existing calamity of organized sports...In the words of Galileo "I say that the testimony of many has little more value than that of the few, since the number of people who reason well in complicated matters is much smaller than of those who reason badly"

Fortunate is he who did not receive formal education in these matters.

The Thinker

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