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[ Music ]

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>> Mike Hopkins: This is
astronaut Mike Hopkins

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from the Countermeasures
Training Room at NASA JSE,

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and today I'm going to talk
to you about the crown jewel

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of our countermeasure devices up
on orbit, and that's the ARED,

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which is the Advanced
Resistive Exercise Device.

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And this is ARED, and
this is what we use

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to help counteract the
effects of losing muscle mass

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and also bone loss, one
of our primary tools.

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And so actually it looks
a little bit different

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than your squat rack that you
might have in your local gym,

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but it has some of the
same functions in the sense

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that we do squats on this.

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We can do dead lifts, bench
press, shoulder press,

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things of that nature, and
it's very effective for us,

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and it's really been
very helpful

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to increasing our fitness

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when we actually
return back to Earth.

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So how does it work?

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Well, we actually have two
canisters here that have vacuum

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in them, and so we pull
against that vacuum,

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and we can just dial
in different loads

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with the handle right here.

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And we can change how
much weight we're lifting.

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Now, I'm going to give you
a little bit of a demo here

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with the squat, and so some
of the first things we have

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to do is make sure this bar is

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at the right height
for each individual.

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And so in this case, I'm going
to need to rotate the handles,

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and so each one can be
rotated individually.

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And then after that, there's
numbers along the side here,

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and so for each of our
lifts, this is some

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of the stuff we do here
on the ground as we figure

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out what the right
setting is for each of us.

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And so I now have it set
up, and this is the plate

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that we have up in orbit.

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This black platform
that you see me standing

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on isn't actually
there on orbit.

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So then I would dial
in the right load.

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I can step in.

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And now we do a squat.

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[ Background Sounds ]

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Once we're done, we rack
it, and we can float back,

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and that's how we use ARED.

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And so, again, it's been
great training on it,