學習啦>體育運動>田徑運動>跑(短中長跨欄接力馬拉松)>《田徑跑步為什么要逆時針》正文

      田徑跑步為什么要逆時針

      時間:2019-04-24 14:56:29本文內容及圖片來源于讀者投稿,如有侵權請聯系xuexila888@qq.com 楊杰 我要投稿

        你跑了那么久的步,每次跑步都在想啥?有想過為什么要逆時針跑嗎?下面是學習啦小編為大家收集關于田徑跑步為什么要逆時針,歡迎借鑒參考。

      田徑跑步為什么要逆時針

        (一)優勢手說

        左轉比右轉更容易!

        你只要注意一下,就會發現無論我們發育多么好,我們其實都是不對稱的。從古至今,在勞動生活,大多數人都是右上肢用力更多。久而久之,右上肢力量比左上肢大,也就是右臂比左臂粗,右手比左手略大,右手成為了“優勢手”。

        而人在奔跑中改變方向時,需要用上肢的擺動來維持平衡,以及利用上肢擺動的反作用力來加大下肢蹬地的效果。在轉彎跑時,由于要以擺臂的力量來克服身體離心力,那么向上肢力量相對弱的一側轉彎就容易得多。而大多數人的右臂力量大于左臂,所以在高速奔跑中向左左轉比向右轉要容易得多。

        (二)離心力說

        順應偏向力保護人體!

        據江湖人稱,1912年國際田聯成立之際,統一訂了規則,以左轉彎為繞圈跑方向,即逆時針方向。根據進化理論,人類在運動時更偏向于向左轉。因為地球自轉過程中會產生偏向力,在北半球這個偏向力是逆時針方向。而地球上大多數比賽都在北半球舉行。如果不順應這個偏向力的話,人體易受離心力與地球自轉偏向力不均而受傷。

        (三)規則說

        方向已成既定規則!

        現代奧運復興之初,1896和1906的雅典奧運會,以及1904年圣路易斯奧運,田徑選手都是順時針跑步。但在20世紀初,源自于美國的逆時針跑步逐漸散布到世界各國,江湖上流傳的一個說法是人們一開始是在賽馬場上賽跑,而賽馬就是逆時針的。逆時針跑步逐漸變成慣例,奧運組織者也只得配合這個慣例,沿用至今。

        (四)進化論說

        將跑步對心臟的傷害降低到最小~

        還有一種說法是依據人類進化論,因為人的心臟位于身體左側,所以重心容易偏左。人做跳躍等動作時,起跳腳多是左腳,因為重心偏向左腳,所以向左轉彎較容易。

        (五)人性化說

        方便賽場所有人!

        像狗和馬這樣沒有手的動物也照樣順著逆時針跑啊,甚至連坐在座位上的賽車手也采取這一習慣。其實逆時針方向只是顯得更自然,跑步者跑過的時候,更多的人可以觀看到(觀看時都是從左向右),尤其是那些負責賽道、賽場管理、計時和記錄比賽的人。因為江湖最講究的就是義氣二字。

        P.S:關于田徑場的方向

        用中線的方向來代表田徑場的方向,田徑項目的所有運動方向同中線的方向應是一致的,和中線的方向基本是平行的。原則上應以南北方向為好(考慮日照方向),因為運動一般多在早晨、上午、下午進行,以避免光線刺眼。如不設看臺的場地,可在兩側種植高大的樹木,這樣可在上下午起到遮蔭的作用,如果條件允許田徑場最好設南北向。


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