Too Much, Too Fast? Cross-Country Skiing And Heart Arrhythmias

When it comes to exercise it may be true that you can do too much or go too fast. It may seem counterintuitive but a new study finds that among cross-country skiers the risk of having a cardiac arrhythmia was highest in those who raced the fastest or most often.

In a paper published in the European Heart JournalSwedish researchers report on more than 50,000 participants in the Vasaloppetan enormously popular 90 kilometer cross-country skiing event that takes place each year in Sweden. Previous research has shown that Vasaloppet participants are, not surprisingly, healthier than other Swedes across a broad range of measures. The new research, however, shows that those participants who finished with the fastest times or who completed more races were more likely to develop an arrhythmia.

Click here to read the full post on Forbes.







  1. No fooling?

    I’d like to let you know I am blogging about my personal experiences with participating in endurance sports while in persistent a fib – drop by sometime:

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