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s
racewalkersmovi
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hourwhichisapproximatelytwiceasma
yastheywouldbur
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i
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about1000ormorecaloriesperhour
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juriesmightwa
ttobecautiousi

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28Whyareracewalkersco
ditio
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ATheymustru
lo
gdista
ces
BTheyarequalifiedforthemaratho

CTheyhavetofollowspecialrules
DTheyaregoodatswi
gi
gtheirlegs
29Whatadva
tagedoesracewalki
ghaveoverru
i
g
AIt’smorepopularattheOlympics
BIt’slesschalle
gi
gphysically
CIt’smoreeffectivei
bodybuildi
g
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eei
juries
30WhatisDrNorberg’ssuggestio
forsomeo
etryi
gracewalki
g
AGetti
gexperts’opi
io
s
BHavi
gamedicalcheckup
CHiri
ga
experie
cedcoach
DDoi
gregularexercises
31Whichwordbestdescribestheauthor’sattitudetoracewalki
g
ASkeptical
BObjective
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otheremployeeswereshow

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Thee
gi
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detectharmfulchemicalsi
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edMichaelStra
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