室外跑步与跑步机哪个更消耗卡路里?
<p><span word="Do">Do</span> <span word="I">I</span> <span word="Burn">Burn</span> <span word="More">More</span> <span word="Calories">Calories</span> <span word="Running">Running</span> <span word="Outside">Outside</span> <span word="or">or</span> <span word="on">on</span> <span word="a">a</span> <span word="Treadmill">Treadmill</span>?</p><p>室外跑步，跑步机跑步，哪个消耗的卡路里多？</p><p>Question: <span word="Do">Do</span> <span word="I">I</span> <span word="Burn">Burn</span> <span word="More">More</span> <span word="Calories">Calories</span> <span word="Running">Running</span> <span word="Outside">Outside</span> <span word="or">or</span> <span word="on">on</span> <span word="a">a</span> <span word="Treadmill">Treadmill</span>?</p><p>问题：室外跑步，跑步机跑步，哪个消耗的卡路里多？</p><p><span word="I">I</span>'<span word="ve">ve</span> <span word="heard">heard</span> <span word="that">that</span> <span word="running">running</span> <span word="outside">outside</span> <span word="burns">burns</span> <span word="more">more</span> <span word="calories">calories</span> <span word="than">than</span> <span word="running">running</span> <span word="on">on</span> <span word="a">a</span> <span word="treadmill">treadmill</span>. <span word="Is">Is</span> <span word="that">that</span> <span word="true">true</span>?</p><p>我听说在室外跑步比起在跑步机上跑步能消耗更多的卡路里。这说法对吗？</p><p><span word="Answer">Answer</span>: <span word="It">It</span> <span word="really">really</span> <span word="depends">depends</span> <span word="on">on</span> <span word="how">how</span> <span word="fast">fast</span> <span word="you">you</span>'<span word="re">re</span> <span word="running">running</span>. <span word="For">For</span> <span word="the">the</span> <span word="average">average</span> <span word="person">person</span> <span word="running">running</span> <span word="at">at</span> 5 <span word="to">to</span> 9 <span word="mph">mph</span>, <span word="some">some</span> <span word="research">research</span> <span word="shows">shows</span> <span word="that">that</span> <span word="outdoor">outdoor</span> <span word="running">running</span> <span word="burns">burns</span> <span word="up">up</span> <span word="to">to</span> 5 <span word="percent">percent</span> <span word="more">more</span> <span word="calories">calories</span>, <span word="while">while</span> <span word="other">other</span> <span word="studies">studies</span> <span word="show">show</span> <span word="no">no</span> <span word="difference">difference</span>. <span word="But">But</span> <span word="if">if</span> <span word="you">you</span>'<span word="re">re</span> <span word="running">running</span> <span word="at">at</span> <span word="a">a</span> <span word="quick">quick</span> <span word="pace">pace</span> -- <span word="faster">faster</span> <span word="than">than</span> 10 <span word="mph">mph</span> (6 <span word="minutes">minutes</span> <span word="per">per</span> <span word="mile">mile</span>) -- <span word="you">you</span> <span word="may">may</span> <span word="be">be</span> <span word="burning">burning</span> <span word="up">up</span> <span word="to">to</span> 10 <span word="percent">percent</span> <span word="more">more</span> <span word="calories">calories</span> <span word="when">when</span> <span word="you">you</span> <span word="run">run</span> <span word="outside">outside</span>.</p><p>答案：这实际上取决于你跑得有多快。对一般人来说速度在5到9<span word="mph">mph</span>之间，一些研究表明室外跑可以多消耗5%的卡路里，然而另外一些研究却认为没有什么差别。但是如果你是以很快的速度跑的话--超过10<span word="mph">mph</span>（1英里6分钟）--你也许比室外跑多消耗10%的卡路里。</p><p><span word="Running">Running</span> <span word="on">on</span> <span word="a">a</span> <span word="treadmill">treadmill</span> <span word="is">is</span> <span word="somewhat">somewhat</span> <span word="easier">easier</span> <span word="physically">physically</span> <span word="because">because</span> <span word="the">the</span> <span word="ground">ground</span> <span word="is">is</span> <span word="being">being</span> <span word="pulled">pulled</span> <span word="underneath">underneath</span> <span word="your">your</span> <span word="feet">feet</span> <span word="and">and</span> <span word="there">there</span>'<span word="s">s</span> <span word="no">no</span> <span word="wind">wind</span> <span word="resistance">resistance</span>, <span word="so">so</span> <span word="that">that</span> <span word="may">may</span> <span word="explain">explain</span> <span word="the">the</span> <span word="difference">difference</span> <span word="in">in</span> <span word="the">the</span> <span word="amount">amount</span> <span word="of">of</span> <span word="calories">calories</span> <span word="burned">burned</span>. <span word="The">The</span> <span word="faster">faster</span> <span word="you">you</span> <span word="run">run</span> <span word="outside">outside</span>, <span word="the">the</span> <span word="harder">harder</span> <span word="you">you</span>'<span word="re">re</span> <span word="working">working</span> <span word="against">against</span> <span word="wind">wind</span> <span word="resistance">resistance</span>. <span word="If">If</span> <span word="you">you</span> <span word="want">want</span> <span word="to">to</span> <span word="better">better</span> <span word="simulate">simulate</span> <span word="outdoor">outdoor</span> <span word="running">running</span> <span word="conditions">conditions</span> <span word="on">on</span> <span word="the">the</span> <span word="treadmill">treadmill</span>, <span word="you">you</span> <span word="can">can</span> <span word="set">set</span> <span word="your">your</span> <span word="treadmill">treadmill</span> <span word="at">at</span> <span word="a">a</span> 1% <span word="incline">incline</span>.</p>
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