In-lineSkatingandInjuries
Increasingnumberofchildrenaretakingupin-lineskating,anditisthosenewskaterswhoaremostatriskforinjuries,accordingtoastatementfromanAmericanresearchinstitute.
Some17.7millionpeopleyoungerthanage18participatedinthesportintheUSin1996,a24%increaseoverthepreviousyear.
Alsoin1996in-lineskatinginjuriessent76,000skatersundertheageof21totheemergencyroom.Inexperiencedskatersaccountedfor14%ofallinjuriesrequiringtreatment.
Themostcommonreasonsforinjurieswerelosingone''sbalanceduetoroaddebris,beingunabletostop,out-of-controlspeeding,orfallswhiledoingatrick.
Onethirdofskatinginjuriesaretothewrist,andtwothirdsofwristinjuriesarefractures.Wearingwristguardscouldreducethenumberoftheseinjuriesbyanestimated87%，accordingtotheAAP.
Likewise,elbowpadscouldreduceelbowinjuriesby82%,andkneepadscouldreducethenumberofkneeinjuriesby32%,advisetheexperts.
HelmetusedbyyoungskatersisrequiredbylawinNewYorkandOregon,andtheresearchinstitutealsorecommendsthatyoungskaterswearabicyclehelmetorasimilarapprovedsportshelmet.
Theageatwhichchildrenarereadytousein-lineskatesdependsuponanumberofconditions,includingthechild''sfootsizeandbodystrength,generalathleticabilityandmusclecoordination,andtheabilitytojudgetrafficandpayattentiontotheconditionoftheskatingsurfaceahead,theexpertsadvise.
Themostdangerousskatingpractice,called“truck-surfing”，involvesskatingwhileholdingontoamovingvehicle.Fewskatershavefatalinjuries,but31of36deathsreportedsince1992involvedbeingknockeddownbymotorvehicle,accordingtodatafromtheUSConsumerProductSafetyCommission.
1.Howmanypeopletookpartinin-lineskatingintheUSin1995?
A.About17.7million.
B.Morethan17.7million.
C.Fewerthan17.7million.
D.Exactly17.7million.
2.WhichofthefollowingisNOTmentionedasthemostcommonreasonforinjuries?
A.Skatingwithwristandelbowwounds.
B.Losingone''sbalanceduetoroaddebris.
C.Beingunabletostopduetohighspeed.
D.Fallingdownwhendoingatrick.
3.WhatarethethingsexpertsmightNOTadviseyoungsterstowear?
A.Wristguards.
B.Elbowandkneepads.
C.Helmetsofsomekind.
D.Bootsandthickclothes.
4.“Truck-surfing”means
B.skatingwhileholdingontoamovingtruck.
5.Accordingtothelastparagraph,bumpingwithamotorvehicletookupofthedeathsreportedsince1992.
A.over80%
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