Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. Sprint interval ...

I started strength training about nine years ago for admittedly vain reasons. Fresh off a breakup at the time, weight training offered a welcome distraction and the prospect of a revenge body. I ...

Here’s how to find the right effort level for a strength workout. By Alyssa Ages You’re sweaty and sore, and just hoisting your gym bag onto your shoulder makes you groan. The workout was exhausting, ...

Whether you just signed up for your first 5K or your first marathon, one of the most important steps in prepping for race day is finding a training plan that works for you. Both beginners and ...

As a runner, your fitness priority and preference is probably (hopefully!), running. Perhaps you also strength train, take the occasional yoga class, or even swap out an easy run or two with some ...

Julia Ries Wexler is a writer focusing on all things health and wellness. She has over 10 years of experience in health journalism, and though she has written about pretty much every health topic ...

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. I first tried the ...