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Fitness Theory and Practice. CrossFit's rationale & foundations. Who is fit? What is fitness?

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Old 04-25-2011, 07:15 PM   #11
James Yates
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Re: Intensity = Power

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Originally Posted by Chris Sinagoga View Post
James,

I was concerned with the phrase "exactly equal to" as well. But that's how it was presented at the Level I, and numerous videos on the journal. And to answer your question, the stopwatch would account for the difference in power, right?. Assuming you two weigh the same?
mmmm, yeah, the stopwatch would reveal the difference in practical power (power put into motion), but I might actually be expending more calories and putting forth more effort (working harder). Trying to compare 2 different athletes with an EXACT power comparison by the stopwatch is like comparing the 1/4 mile times for two cars when one has better tires, better aerodynamics, better driver.... the "less powerful" car may end up being faster in some cases.
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Old 04-26-2011, 07:17 AM   #12
Kyle Graves
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Re: Intensity = Power

I think when they say Intensity = Power, they are stating the physics term for what we, in everyday talk, call intensity.
http://en.wikipedia.org/wiki/Intensity_(physics)
the reason you keep getting dead ends with intensity definitions is because the physics definition for it isn't the same as what we mean when we say it and talk about it. Unless I'm mistaken, people loosely through around the word "intensity" when they are taking about "power" (in physics terms anyway) which is:
--> P=amount of work/period or amount of time.
obviously it means you can do the same amount of work, but if done in a shorter amount of time you'll have more power output. This is all the pure physics side of things however, so I hope I'm not just babbling about nothing... please ignore me if I am.
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