In my column this month at Endurance Corner, I write about laboratory (blood) tests that may be useful for athletes. I’m frequently asked which tests are useful and also how to interpret the results of the various tests. I provide some recommendations about how to work with your physician to decide when laboratory testing may be useful for you….in your particular circumstance.
凡事三思而行,跑得太快是會滑倒的。.......................................................
Unable to give you a heart. so have a reply to push up your post.
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永遠支持你呀!!!謝謝格主.................................................................
做好事,不需要給人知道,雖然只是一件微不足道的事,但我相信,這會帶給我快樂。..................................................
缺少智慧,就是缺少一切..................................................
所有的資產,在不被諒解時,都成了負債.................................................................
你的分享很不錯.. 謝謝 ..................................................
希望能常常看到你的更新............................................................
與人相處不妨多用眼睛說話,多用嘴巴思考. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
及時行樂-快樂不需要理由............................................................
良好的開端,已是成功的一半。..................................................
不會從失敗中找尋教訓的人,成功之路是遙遠的。.................................................
Hey Dr. Creswell,
There’s a lot of spam in the comments here but I wanted to let you know there’s at least one reader who appreciates your efforts.
Thanks from a long-retired competitive cyclist.
C.
PS, would love to hear about the effects of Metoprolol on vigorous exercise.
ChuckD,
Good to hear from you. And sorry about the spam! Glad that you found the blog….and glad to hear that you’re a (retired) cyclist.
Metoprolol is one of the beta-blockers, a medication designed to slow the heart rate and lower the blood pressure.
It’s not often a good choice for athletes because it:
1) limits the heart rate, so it will limit your high-end activities and
2) reduces the strength with which the heart contracts with each heartbeat. It will reduce the maximum blood flow that your heart can generate.
Metoprolol or other beta-blockers may not have a noticeable effect if you only pursue low-intensity sporting activities such as golf, etc.
Hope that helps.
Larry