简介：<正>Withincreasingattentiongiventothedevelopmentandimplementationofpsychologicalinterventionsduringthesportinjuryrehabilitationprocess,thereisaneedtodocumenttheeffectivenessoftheseinterventions.Thepurposeofthisreviewwastosummarizetheempiricalfindingsoftheeffectsofpsychologicalinterventionsinreducingpost-injurypsychologicalconsequencesandimprovingpsychologicalcopingduringtheinjuryrehabilitationprocessamongcompetitiveandrecreationalathletes.InFebruary2012,utilizingacomprehensivesearchstrategy,weconductedelectronicsearchesofmultipleelectronicdatabasesforrandomizedandnonrandomizedcontroltrialsthatevaluatedinterventionstargetingpopulationsofinjuredcompetitiveandrecreationalathletesage17yearsandolder.Weincludedinterventionsthatdirectlyinterveneoninjuredathletes’psychologicaloutcomes(e.g.,psychologicalconsequences,psychologicalcopingandre-injuryanxiety)andutilizedpsychologicalstrategiesincludingimagery,goal-setting,relaxation,andothercommontechniquesduringthepost-injuryrehabilitationperiod.Sixstudies,describedinsevenpeer-reviewedpublishedarticles,metstudyinclusioncriteriaandwereincludedinthisreview.Ofthosestudies,twoincludedrandomizedcontroltrials,twousedbeforeandafterstudydesignsandtwowerecasestudydesigns.Twointerventionsutilizedguidedimageryandrelaxation,twointerventionsutilizedgoal-settingandoneeachutilizedmicrocounseling,writtendisclosure,andacceptanceandcommitmenttherapy.Guidedimagery/relaxationwasshowntobeassociatedwithimprovedpsychologicalcopingandreducedre-injuryanxiety.Goalsetting,however,wasnotdirectlyassociatedwiththereductionofnegativepsychologicalconsequences.Otherpsychologicaltechniquessuchasmicrocounselingskills,acceptanceandcommitmenttherapy,andwrittendisclosurehavedemonstratedeffectivenessinreducingnegativepsychologicalconsequences,improvingpsychologicalcoping,andreducing

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简介：<正>进入青春期以后,第一个体征是睾丸和阴囊增大。随着睾丸渐渐发育成熟,开始具备了产生精子和雄激素的能力。在雄激素的作用下,男子生殖器迅速发育,第二性征随之出现,如躯体外形健壮、肌肉发达、肩宽臀小、面部长胡须、喉结隆起、嗓音低沉等。男子长胡须是雄激素作用的结果。

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