Erin Beresini

Author's Bio

Erin Beresini (@eberesini) is Outside's Fitness Coach columnist, and author of a book on the obstacle racing phenomenon, due out in 2014. She lives in Los Angeles with 10 bikes and a dresser full of spandex. (Website: erinberesini.com)

Can Michael Phelps Win Again?

There is nothing we’d like more than to see the most decorated Olympic athlete of all time, Michael Phelps, return to the five-ringed stage. Can he make it happen at age 31?

Nope, Running Isn't Going to Shorten Your Lifespan

Couch potatoes everywhere were overjoyed to learn—courtesy of a recent study—that running is actually dangerous. But a closer look at the science suggests the smirks are seriously misguided.

Can a Hard Workout Cause Insomnia?

Whenever I exert myself beyond a threshold that my body is accustomed to—do a much longer bike ride than I usually do, for example—I can't sleep. Even though I'm body-tired, I toss and turn all night. What's going on here?

Why Does It Feel Good to Poop?

Sometimes when I poop, especially a big one, I get the chills (in a good way) and it makes me feel great in general. Is that weird?

What are the Best Exercises to Strengthen Wrists?

I've got some wrist issues. They usually hurt in any weight-bearing positions (like plank). Besides simple hand curls, are there any other ways to strengthen my wrists to prevent pain?

How Should I Use Resting Heart Rate to Guide My Training?

Is comparing my resting pulse taken lying down in bed after waking to a baseline resting pulse taken in a rested, healthy state an effective way of gauging when reduced training is necessary? I reduce training at a 10% increase in resting pulse.

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