简介:Teacher:Whyareyoulateforschool?Boy:ItwaslatewhenIstartedfromhome.Teacher:Thenwhydidn’tyoustartearly?Boy:Itwasalreadytoolatetostartearly,sir.注释:belateforschool上学迟到startv出发alreadyadv已经too…to太……以至于不能…
简介:Hamstringstraininjuryisoneofmostprevalentnoncontactinjuriesinsportsthatinvolvehigh-speedrunning,suchassprinting,soccer,andrugby.~1Inordertooptimizepreventionstrategiesandinjuryrehabilitation,studieshavebeenconductedtounderstandhamstringfunctionduringsprinting.~(2–4)However,differenceshavelongexistedintheliteratureastothecauseofhamstringstraininjuries.Oneofthemostcontroversial
简介:WehavecarefullyreadthedescriptionoftheproposedmechanismsofhamstringmusclestraininjurybyLiuetal.1andnoticedthattheysuggestthathamstringstraininjuriesmaybeassociatedwithextensivemuscleforceandoccurduringtheearlystancephaseofsprintingwhenthehamstringsarethoughttoworkconcentrically.Wedidnotfindanyevidenceinourextensiveliteraturereviewtosupportthisparticular