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简介：TheTrendThetrendofcurrentinternationalsportsbiomechanicsresearchisevidentinthepaperspresentedintherecentannualInternationalConferencesonBiomechanicsinSports.Since

简介：Theeffectofacuteexercise,asingleboutofexercise,oncognitiveperformancehasattractedmuchattention.ThefirstnarrativereviewofthisliteraturewasconductedbyTomporowskiandEllis.1Intheirsummary,theauthorsconcludedthatacuteexercisefacilitatescognitiveperformance;however,theyemphasizedthatthestudiesatthattimewereatheoreticaland

简介：Hamstringmusclestraininjuryisthemostcommonandprevalentinjuryinsportsinvolvinghigh-speedrunning,suchasAmericanfootball,Australianfootball,Englishrugby,soccer,trackandfield,andcricket.1Hamstringmusclestraininjuryalsohasahighrecurrencerateofupto48%.2Theaveragepracticeandgametimelossduetohamstringinjuryisbetween17and60days,contingentonthegradeofinjury.2Severehamstringmusclestraininjuries,andassociatedrecurrentinju-

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简介：Barefootrunninghasbeenaroundformillionsofyears,anditissafetopresumethatformostofthattime,thepracticeoccasionedlittleinterest.Ourancestorsranbarefootbecausetheyhadnoshoes.Whenfootwearwasfirstinventedduringthelast40,000years(nodoubtatdifferenttimesandindifferentplaces),shoeswerebynecessityminimal-essentiallysandalsandmoccasins-designedtoprotectthesoleofthefootbutlackinganyofthesophisticatedfeaturesandmaterialspresentinmodemrunningshoessuchaselevatedcushionedheels,archsupports,andtoesprings.Mostofthesefeatureswereinventedinthe1970s,andtheyquicklybecamemorepopularandsophisticatedasrunningunderwentaworldwideboom.Today,thevastmajorityofrunnersthinkitisnormaltowearcushionedrunningshoes,andwouldneverdreamofrunningwithoutthem.

简介：1.IntroductionChinahasbeentransforming.Sincethelate1970s,China’seconomyhasincreasedmanyfold,theproportionofChineselivinginurbanareashasmorethandoubled,lifeexpectancyhasincreasedby10years~1andthecountryhastransitionedfromthe'bicyclekingdom'totheworld’slargest'automarket'.~2Asaresult,Chinaisnowchallengedbythe'sideeffects'ofeco-

简介：Thearticlepresentsthemostimportantresultsofmetabolic(hormonal)studyofdosedvibrationtraining(DVT).Theauthorpresentsvibratingtrainingasanalternativetoanabolicsteroidsonthebasisofacomparisonoftheeffectivenessoftwotypesofstimulants-forbidden(doping)andnon-medicinalnon-invasive,relatingtopermittedphysicalmeans.Thestudyshowsthatthelevelofandrogens(testosterone),corticosteroids(cortisol),thyroidhormones(thyroxine,triiodothyronine),hormonesofadenohypophysis(prolactin)increasedundertheeffectofdosedvibrationtraining.Atthesametimethelevelofhormoneshavenochangesundertraditionalstrengthtrainingwiththeuseofasyntheticanabolicsteroid(retabolil).Forthedurationofalimitedperiodoftime(1microcycles)dosedvibrotrainingcausesamorepowerfulsecretionoftestosteronethanthetraditionalstrengthtrainingwiththeuseofanabolicsteroids.Inthiscase,theoveralltimespentontheperformanceoftheDVTtrainingprogramcomprisesnotmorethan15%ofthetimespentonthetraditionaltrainingexercises.

简介：Researchindicatesthathighlevelsofsedentarybehavior(sittingorlyingwithlowenergyexpenditure)areadverselyassociatedwithhealth.Akeyfactorinimprovingourunderstandingoftheimpactofsedentarybehavior(andpatternsofsedentarytimeaccumulation)onhealthistheuseofobjectivemeasurementtoolsthatcollectdateandtime-stampedactivityinformation.OnesuchtoolistheactivPALmonitor.Thisthigh-worndeviceusesaccelerometer-derivedinformationaboutthighpositiontodeterminethestartandendofeachperiodspentsitting/lying,standing,andstepping,aswellassteppingspeed,stepcounts,andposturaltransitions.TheactivPALisincreasinglybeingusedwithinfield-basedresearchforitsabilitytomeasuresitting/lyingviaposture.WesummarisekeyissuestoconsiderwhenusingtheactivPALinphysicalactivityandsedentarybehaviorfield-basedresearchwithadultpopulations.ItisintendedthatthefindingsanddiscussionpointsbeinformativeforresearcherswhoarecurrentlyusingactivPALmonitorsorareintendingtousethem.Pre-datacollectiondecisions,monitorpreparationanddistribution,datacollectionconsiderations,andmanualandautomateddataprocessingpossibilitiesarepresentedusingexamplesfromcurrentliteratureandexperiencesfrom2researchgroupsfromtheUKandAustralia.

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简介：1.IntroductionEatingdisorders(ED)arethemostcommonpsychiatricdisordersafflictingyoungwomen~1andcontributetogreatdetrimentsinpsychological,social,andphysicalhealth.~(2,3)Unfortunately,EDtreatmentstendtobelonglasting,intensive,andexpensive.~4Additionally,individualswithEDseekingtreatmentusehealthcareservicesmorefrequentlythannon-EDindividu-

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