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I

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the space shuttle Columbia mission

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specialist number three them standing in

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front of today an experiment developed

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by dr. Reggie Edgerton at UCLA le

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laboratories it involves measuring arm

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wrist and hand straight it is well now

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that in space over lon joist the time

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our muscles in our bodies go weaker it

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fell however that the hand in wrist and

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arm muscles stay essentially the same

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here for Columbia myself and my

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crewmates are going to actually measure

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exactly whether or not this is true this

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device I have in my hand right here

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accurately measures our hand wrist and

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arm strength its plight allograft here a

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given a a curve which we can exactly

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duplicate over time we measure this pre

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flight and four times in flight and

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post-flight basically involves grabbing

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Sahay grip dynamometer and squeezing in

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various levels of contraction ranging

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from tis a hundred percent visual later

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plotted out on curves that were asked to

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follow in graphs as spike and were asked

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to trace these this will give dr.

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Edgerton it is assistance all the data

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that they need to actually measure

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whether or not the muscles and our

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wrists and arms continue to stay the

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same or grow weaker thanks for joining

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us aboard space shuttle columbia today

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and we'll be continuing with some

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examples of muscle involve experiments

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welcome aboard Columbia and SPS 78b life

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sciences of microgravity Space Lab lms

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for short my name is Rick went ahead and

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I am the NS one of the flight and this

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is a short for askin our lung function

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experiment now alfie is the brainchild

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of dr. john west and elliot and kim

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frisk from UCSD University of California

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San Diego and it is designed to measure

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the physiological processes of gas

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exchange in the Unimog on earth and a

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space or free fall now there are

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discrete differences which will occur in

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space and there are four payload crew

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members who are participating as well as

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your crew members in our experiments

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throughout 70-day LMS flight and what we

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hope to ascertain from these experiments

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is how the gas flow rate in the law

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changes due to microgravity or free fall

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in terms of how gas dissipates or aligns

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itself in the lung now when we learn

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things like this be able to predict how

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the one will function obviously in space

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and we can use that knowledge to

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determine hopping should function on the

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ground and with this information we get

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also hope to understand various

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topological processes which occur in the

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human lung saw different diseases so

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that we might be able to study when we

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have better controls additionally will

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use this information for long term stage

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in space on the space station and

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hopefully a long-duration spaceflight

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maybe one day to colonize the planets

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all this information will be put to use

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in one way the other for long-term

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spaceflight and stays on space now this

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rather debonair suit that i'm wearing is

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now called the mark 1 mod of the RIP

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suit and rip basically it's a

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respiratory plasmid to graphene suit

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which will measure our ribcage and

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abdomen contractions and expansions

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while we breathe and this is measured

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over on our optic ATT here and with that

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signal that is rotted to the ground the

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key is elliot dr. Westman dr. Chris

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we're able to determine differences in

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how we

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and our chest muscles function in space

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when we breathe it's a very very

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important experiment and were the best

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experiments I believe to fly on the SLS

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series flights we're going to get a lot

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of today from it and I'm really excited

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to be able to participate in this

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thank you much I'm delighted to be

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speaking to you today on occasion of

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Canada's 120 ninth anniversary to you

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your excellency governor general

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applause to the right honorable Prime

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Minister taken to my fellow astronauts

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to all the other distinguished guests

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there today in to all Canadians sure

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booth on voir to made my yuzu I LoCascio

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to solve and new Kia money besaid to

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Canada actually are not that far away

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I'm 280 kilometers but straight up and

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in fact the last time I looked we were

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just about to head over Y which from my

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perspective is not that far from Ottawa

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this lease for the air do represent a la

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canada or send a septic a cheap aaj ki a

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group days are made from C to a a 10-1

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debris alerts provide an occasion

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astronaut program as well if has the

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same that the spirit is my group of

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Canadian of my group of astronauts here

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on board the life and microgravity

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Spacelab mission I'm proud to be a

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member of the Canadian astronaut program

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and internationally they're also quite

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well respected journey trick miss then

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one in the Canadian astronaut has

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recently been selected for a payload

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specialist flight sudeep I and Steve

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mcclain are recently announced mission

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specialist candidates and Dave Williams

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has recently completed his mission

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specialist candidacy is now eligible for

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I'm living in a incredible extraordinary

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experience on board the space shuttle

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Columbia this is probably the highlight

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of my career as an astronaut and of my

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personal life as well I feel very

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privileged Marc Garneau who is there

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with you today can tell you all about

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that Damone post Allison abdomen adepts

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she was and grampa tree to Canada off a

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cemetery buchla male built the wizard

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Toronto a Ottawa she say Callum a POF a

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bow or should we laugh say dog the

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privilege to sweat theatre they can add

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ya doin boo I'll open to pay during

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sleep as depth ar-15s you yay and I

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believe I have the best seat in all the

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house to wish you well for my view here

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from Canada from coast to coast I share

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with you all the pride and joy of being

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a Canadian on this can of the day I like

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to thank all the organizers of the

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Canada Day festivities and now I'll turn

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columbia this is a WBBM how do you hear

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me study BPM rod clear we're ready for

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your questions tell me about your can

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you're conducting medical tests up there

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and scientific experiments if you might

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give me an outline first of all of what

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kind of science experiments I understand

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you have a lot of critters up there rats

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and fish and such grand study but

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they're taking a backseat to the primary

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life science experiments which are the

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human experiments we've got four people

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on this flight that have volunteered to

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dedicate their bodies to science if you

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will and ever since we launched it

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before then we've been taking data on

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these guys from start to finish they've

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been doing some circadian rhythm studies

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which means that their body temperatures

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have been measured and their sleep

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pattern to be monitored addition they're

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being monitored for their moods and

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their work performance on top of that

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these guys are also giving blood and

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saliva samples to contribute to a

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metabolic studies which are very

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comprehensive and really complete

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they're on top of that without a lot

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function experiment which is helping us

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understand the mechanics of the log in

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the very basic sense we get some data up

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here in microgravity that you just can't

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do on earth as far as that experiment is

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concerned and actually all seven members

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of the crew are participating in that

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experiment and one of the workhorses of

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the life science aspect is to talk

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velocity dynamometer there are four

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separate principal investigator teams

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that are studying the musculoskeletal

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system and everything from very basic

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muscle function studies everything down

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to the microscopic level these guys have

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had biopsies on their legs before and

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after the flight and with all that

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complete data on the muscles were going

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to learn quite a bit about what happens

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to muscular structures as we launch into

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space and stay there for extended

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periods of time and that's a life

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science aspect would you like to hear

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about the microgravity side well tell me

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a little bit more about the the reason

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you're doing that in part is with

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conducting a lot of these studies is

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because of the concern about atrophy

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when you go up into space you don't have

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gravity so that that you

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problems than with your muscles were at

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least the potentiality for problems is

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that right your muscles up here it's

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really not a problem because you go back

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to some gravity field to try to stand on

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the surface and on the soul side we

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haven't had many problems per se because

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the solo missions themselves don't

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really last more than two or three weeks

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and that's not enough time to get

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capacitate anybody it is today we're

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also doing exercise up here to prepare

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for the return to Earth what's the most

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interesting part of that question is

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what are we going to do when it comes

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time to travel the bars and the trip to

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Mars as we currently have it scoped out

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it's going to be approximately one to

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two years and that's quite a bit of time

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if you would like to get out and walk

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around on the surface of Mars when your

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spaceship arrives you've got to make

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sure that your muscles are in good

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condition and that's what we're trying

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to capture with these studies or

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preventative measures in order to

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understand how we can do things in the