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we'll check for you

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would you like me to try and uh start

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affirmative eric you can proceed

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the furnace has to start moving

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and space lab huntsville for aghf it'll

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probably take about 10 or 15 minutes for

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the furnace to complete its translation

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but you have a go to proceed with that

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cartridge exchange as soon as it's

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okay when we see the

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to insert the next country

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above the earth we just crossed over the

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united states and we're out over the

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atlantic now

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well you do that about uh every 90

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minutes or so what's it like circling

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the earth that high and that often over

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well it's been fantastic so far the

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first passes we see in the morning are a

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gorgeous uh

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panoramic view of the mediterranean area

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we have two alternate payload

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specialists that train with us and

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they're from spain and italy so we see

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their home countries every morning just

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after we arrive

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too bad they can't pass up some food as

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now this is a the longest mission that

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they nasa has attempted with the space

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shuttle 16 days you can stay an extra

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two if you need to for contingencies

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there and weather ops uh and i

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understand one of the primary missions

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is to study microgravity and

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weightlessness in space now we've been

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in space for 30 years and we've had long

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duration missions in the sky lab and

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certainly now with the mirror with

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american astronauts up with the russians

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why is it important to know what happens

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to the human body and weightless

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that's a great question gene we uh we

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have had a lot of experience both in the

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american program and with the soviet

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program uh

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we have on this flight however began

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some real baseline collection

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particularly in the muslim bomb

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physiology area

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probably the most extensive collection

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of sampling

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from muscle and bone tissue that's been

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done to date

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and we have a chance for a long duration

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mission to accumulate that we've used a

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lot of great data that's accumulated

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from prior missions to formulated

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experiments that we're trying to do on

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this one

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specifically this crew is getting

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payload crews getting biopsies of their

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muscle tissues pre and postmission and

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this issue is going to be examined by

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investigators around the world and this

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is very valuable uh sampling has not

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been done before

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and we're getting really extensive

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studies of the calcium system and we

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really hope that

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some of this data also interrelates and

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correlates with diseases like

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osteoporosis back here on earth

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so it has both a a purpose for a long

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duration future space missions and also

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for

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regime we've really got some great

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investigators both uh in the u.s and

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around the world looking at these

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samples and certainly the diseases of

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all like osteoporosis and many of the

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muscle diseases correlate highly with

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many things we find happen to astronauts

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in microgravity and we're very hopeful

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that some of these spin-offs from some

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of this research will be helpful in

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those areas

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okay let me ask susan helms real quickly

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what is it like just to live in the

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well actually the best correlation i can

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make is with a camping trip where you're

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well prepared

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we basically have a fixed amount of

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volume inside the space shuttle and

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inside here we've got living quarters

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working quarters habitability quarters

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and uh it's home for as long as two

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weeks or even longer hopefully on this

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flight and we we definitely

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get to be a team we work together as a

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team for over a year and become a family

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as that progresses and when we get up

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here we've got a job to do

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and uh we we work back in the module

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primarily during the day on this flight

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and then when or i should say during the

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work shift on this flight and then when

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it comes time for the crew to go to

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sleep we turn the front end into a

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sleeping quarters

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and and it's very much like a camping

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trip we're we're sort of in a volkswagen

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bus here locked up with the door closed

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for over two weeks and it definitely

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takes a lot of choreography and a lot of

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practice but it's working extremely well

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let me ask very quickly charles brady

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about uh about

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carrying the olympic torch when he was

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doing his exercises the other day

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well i didn't expect that my uh my

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crewmates uh handed it off to me it

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really was a great honor something that

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we all

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take great honor and pride in the fact

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that columbia has been able to carry the

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olympic torch here with us and also

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olympic banner we hope to unfold here on

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our day off and uh we all feel

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tremendous uh honor and respect for the

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olympic to international spirit we have

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an international crew

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from uh many different countries spain

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italy canada france and the u.s is

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represented along with a respected space

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agency so we feel like this is uh our

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play is a real representation of the

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olympic spirit and it was quite an honor

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to be exercising with that

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well thank you very much for joining us

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we appreciate it taking your time out

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aboard your busy schedule and talking to

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well it's been a pleasure talking to you

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from aboard the space shuttle columbia

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during the life and microgravity space

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lab mission we're going to make a very

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aggressive and coordinated effort to try

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to understand the extent of muscle

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atrophy and also the mechanisms behind

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it and for that reason we brought

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together six different teams from the

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united states and europe to study this

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in a comprehensive fashion

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to support the muscle physiology

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experiments we're making use of a very

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sophisticated device called a torque

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velocity dynamometer or tvd

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it's contributed to the mission by the

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european space agency

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i sort of think of the torque velocity

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dynamometer as an arm wrestling or a leg

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wrestling machine this morning as jean

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jacques fabian my colleague is working

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out here he's using it in the light

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wrestling mode

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sometimes the machine wins the wrestling

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match against us and sometimes it lets

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us win but who wins the wrestling match

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is not important

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what is important is that the tvd can

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measure the torque or the force applied

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by the limb

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and also the speed at which we contract

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our muscles and the position of the the

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foot or the arm at any instant in time

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and with this information the scientists

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on the ground can understand how muscle

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performance is adapting to

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weightlessness

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for example they can look at the results

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coming out of this machine here and

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understand what's happening at the level

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of muscle

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in our body we have fast twitch fibers

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and we have slow twitch fibers

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fast twitch fibers contract muscles very

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quickly but they fatigued quite readily

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slow twitch fibers on the other hand

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contract more slowly but they have a lot

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more endurance

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the lms scientists theorize that

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during our 17 days here in space that

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our

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slow muscle fibers are going to take on

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properties of fast muscle fibers

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that means that they'll be able to

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contract quicker but they'll be more

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but the muscle wasting and the loss of

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strength is not totally explained by the

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fact that changes occur at the level of

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muscle fibers

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there must be other changes going on as

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well and therefore we have some

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investigators who are looking at changes

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at the hormonal level

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and the neurological level as well for

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instance we have one particular group

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from ucla we're looking at the level of

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neurological activation required to

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energize the muscles in our legs

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because of all the electrodes that we

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wear on our body

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and because of all the blood samples and

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muscle biopsies that are taken from us

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and because of the fact that we spend a

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lot of time inside the tvd every day we

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light-heartedly refer to ourselves as

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the rat crew as in laboratory rats

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however we and the scientists on the

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ground fully expect the results coming

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out of the muscle physiology set of

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experiments will go a long way to

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helping us understand the adaptation of

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muscles to weightlessness

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and in the future we're going to be able

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to provide counter measures for

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astronauts flying on the international

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space station and on exploratory

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missions to the inner solar system

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and we also expect that some of the

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results coming out from the muscle

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physiology work will have application to

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uh rehabilitation programs on earth for

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spinal cord injured patients and also

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patients who suffer from muscle

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unloading uh illnesses

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well that's about it for the muscle

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physiology experiments um i hope you now

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have an understanding of what we're

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doing when you see us in downlink images

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in the torque velocity dynamometer

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so long from the space shuttle columbia

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this television uh

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being seen from the space lab science

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module showing payload specialist jean

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jacques favier who is working along with

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pilot kevin kriegel and payload

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commander susan helms

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on a in-flight maintenance procedure

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which should take about an hour and a

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half to complete that we'll bring back

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to full operation one of the key

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experiments in the space lab that is the

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bubble drop facility

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a power cable has experienced a short

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circuit on board and as was mentioned

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during the mission update program it is