背向滑步推鉛球技術(shù)之研究.pdf

1、華中師范大學(xué)碩士學(xué)位論文背向滑步推鉛球技術(shù)之研究姓名：朱少雄申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：體育教育訓(xùn)練學(xué)指導(dǎo)教師：李華生20060501AbstractShotpuniIlgisathmwingevent，withstren出hasitsbaseandspeedasiIscoreThemovingtrackofshot_puttjngisnonst柚dard印arad01a，whichfollowsthemech柚jcstheoryof0bl

2、iqueputtjngmovingAccordingtothismovjngequation：S=WCosa／g【sinQ√s脅2口2朗／v02】weknowthercarethreefactorSwllichanectthescoreofshotputdng，Theyarethemitialvelodty(v0)，thenlr0、Ⅳillg柚百e(a)alldthehei911t(h)ofPuttin昏Amongthose，voist

3、lIemostprincipalfactofbecauseitgatllersalltheacceleratingstrengthtllattheathleticm0Vementaf￡ectstheshotSohowtoimproVetheinitialvelocitybcoomesthekcytothequestionduringtlIcprocessOfshotputtingS】【illeVOluti衄h觴changed￡romth

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6、ngtlleactiIlgdist柚ccbeforcyouputthcshOt缸dimpr0ⅣingtllemoViIlgspccdofSlidin昏TracingtOtheimprovememhistoryofshottecllIIique，wccanseettlctrcnd、張ssinglc，tha“stosay，thcjmatitionandtlleimprov鋤entmixedalldexistedtogetherbefore1

7、970sAndtheimatitionaIldthejmprovementofthespotsman’sshottectuljquefolloweditsmechanicsunconscientionslyIn1980s，thesportsmancouldmal(ethetheoryshottechniquecOnfomloitsmechanismmoreinitiativelyTheyalsofindthesuitableshotc叫

8、scientionslyalldtechniquewhichsuitst0themselVesInthisway’shOttechniqueshouldnotonlycoⅡformt0thcprincipalreasonofitsimprOVementandevolutionbutals0fmdthesuitabletechniquewhichcomeswiththespOrtsman’sindividualcharacteLThese