Too many marathons can kill, warn doctors
Doing too many marathons could kill you, doctors have said in a stark warning about the dangers of taking too much vigorous exercise.
Fitness fanatics should do “just one or a few” marathons or full-distance triathlons, say the cardiologists, because over-exerting the heart for years can lead to long-term damage.
There is now convincing evidence that repeatedly asking the heart to pump “massive” volumes of blood, for hours at a time, can lead to an array of problems, they say.
醫生警告,跑太多的馬拉松會殺了你自己, 跑太多馬拉松會殺了你,醫生提出一個嚴重警告說太多劇烈運動會造成危險。
運動狂熱分子應該做的只是”跑一個或幾個“馬拉松或標準鐵人三項運動,心臟科醫師說,由於過度操勞多年的心臟,可導致長期的損害。
現在有令人信服的證據表明,反復要求心臟泵“龐大”的血量,一個小時的時間,可能會導致一系列問題。
These include overstretching of the organ’s chambers, thickening of its walls and changes to electrical signalling. These could trigger potentially dangerous heart rhythm problems.
“In addition, long-term excessive exercise may accelerate aging in the heart, as evidenced by increased coronary artery calcification, diastolic ventricular dysfunction, and large-artery wall stiffening,” http://www.heart.bmj.com/lookup/doi/10.1136/heartjnl-2012-302886" rel="nofollow - they write in the journal Heart .
Dr James O’Keefe and Carl Lavie, from St Luke’s Mid America Heart Institute in Kansas City, and the Pennington Biomedical Research Centre in Baton Rouge, US, say the heart is only designed for “short bursts” of intense activity.
這些措施包括負擔過重的器官的房間,加厚的牆壁和電子信號的變化。這可能會引發潛在危險的心臟節律的問題。
“此外,長期過度運動可能會加速老化的心臟,增加冠狀動脈鈣化,心室舒張功能障礙,以及大的動脈壁硬化證明,”他們寫在日記心臟。
詹姆斯·奧基夫博士和卡爾·LAVIE,從聖盧克美國中部心臟研究所在堪薩斯城,並在巴吞魯日,美國彭寧頓生物醫學研究中心說,心臟是唯一專為“短脈衝”的劇烈活動。
They cite the example of Micah True, the hero of the book Born to Run about ultra-endurance running.
He died in March, aged 58, on a 12-mile training run in New Mexico. He routinely ran a marathon a day, sometimes more.
They believe that decades of such exertion led him to develop Phidippides cardiomyopathy.
Named after the original runner, who died delivering news of the Greeks’ victory at Marathon, it is “the constellation of cardiac pathology that has been in observed in the hearts of some veteran extreme endurance athletes”.
They concluded that most people should limit vigorous exercise to 30 to 50 minutes a day.
“If one really wants to do a marathon or full-distance triathlon etc, it may be best to do just one or a few and then proceed to safer and healthier exercise patterns,” they advise.
No amount light to moderate exercise is harmful, they note.
“A routine of moderate physical activity will add life to your years, as well as years to your life.
“In contrast, running too fast, too far, and for too many years may speed one’s progress towards the finish line of life.”
他們舉的例子真彌迦書,這本書的主角專長超耐力跑。他現年58歲,三月份過世,死在新墨西哥州的12英里訓練中。他經常一天跑一個馬拉松,有時甚至更多。
他們認為,過去幾十年這樣的勞累使他發展 Phidippides心肌病。這是當年希臘人(Phidippides) 傳遞馬拉松的勝利消息至雅典,氣力殆盡而命名,“一直在觀察一些資深的耐力極限運動員”心中的心肌病理的星座。
他們的結論是,大多數人應該限制劇烈運動30至50分鐘的時間。
“如果真正希望跑一個馬拉松,鐵人三項賽等,它可能是最好跑一個或幾個,然後進行更安全和更健康的運動模式”。
他們特別註解:“沒有輕度或中度的運動是有害的”。
“一個常規的中度身體活動的生活增添你的年歲,以及你的生活。”
“相比之下,跑太快,太遠,太多年的衝向終點線的生活可能會加快自己跑至氣數放盡。”
Ellen Mason, senior cardiac nurse at the British Heart Foundation, said: “Whether you’re taking part in an endurance event, watching your weight or staying healthy after a heart attack, it’s important to build up your activity levels gradually, especially if you’ve not exercised in a while.”
埃倫·梅森,英國心臟基金會心臟科護,說: “無論你是參加耐力事件,注意你的體重或保持健康的心臟發作後,重要的是逐步建立你的活動水平(特別是如果你“有一段時間內沒運動了)。”
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