.Overshot.Whenhittingtheballtoofar，itiseasytorubtoothin，andthearcoftheballisshort，soitiseasytomakemistakes.Whenhittingtheball，theracketshouldbeslightlybackward..过多地运用肩膀和上臂会导致动作僵硬，无法找到合适的击球点