Toliftsomethingfromthefloorcorrectlyfirstbendyourkneesandsquatdown.Keepyourbackandhips(臀部)andwaist(腰部)inaline.Ifyoubendoverthemusclesinyourlowerbackcanbecomehurteasily.Ifyoukeepyourbackandhipsstraightthemusclesarestrongerbecausetheyhavemuchmoresupport.Theothermusclescanthenhelpthelowerbackmuscles.
Asyousquatdowntrytogetclosetotheobjectaspossible.Forexampleifyouaregoingtopickupaheavyboxsquatdowndirectlyinfrontofit.
Maybeyouwillhavetospreadyourkneesandlegs.Putonekneeoneachsideofthebox.Rememberatalltimestokeepyourbackstraight.
Putyourhandsundertheobjectthatisinfrontofyoubetweenyourknees.
Tolifttheobjectyoushouldstandupslowly.Useyourmusclesinordertostandup.Inotherwordsliftwithyourlegsnotwithyourback.
36.Theunderlinedword"squat"means________.
A.tobendoveryourwaist B.tobendyourselfbybendingyourlegs
C.toloweryourselfbybendingyourlegs D.tostandstraight
37.Youshouldkeepyourbackstraightsothat________.
A.themusclescan’tbehurt B.themuscleswillhavemoresupport
C.youseemtobestranger D.youwillgetmoremuscles
38Thecorrectwaytoliftsomethingheavyfromtheflooris________.
A.tobendoverfromyourwaistfirst
B.tobendyourkneesandsquatdownfirst
C.tokeepyourbackinaline
D.toputyourhandsundertheobject
39.Whatliftstheobjectinfact?
A.Themusclesofyourarms. B.Themusclesofyourback.
C.Yourhands. D.Yourlegmuscles.
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