Steady-state cardio focuses on keeping a consistent, moderate pace, while HIIT uses short bursts of hard work and short ...

Beth Skwarecki is Lifehacker’s Senior Health Editor and has been writing about health, fitness, and science here since 2015. Beth was the recipient of the 2017 Carnegie Science Award in science ...

High-intensity interval training is a workout technique that gets you a lot of bang for your buck. This type of workout serves as cardio and strength training, burning calories, boosting your ...

This walking technique blends speed, strength, and cardio into one efficient routine, helping you build powerful legs and a ...

Interval training is great for boosting cardiovascular endurance and promoting overall fitness. Our fitness expert, Judd NeSmith, NASM-CPT, PES and founder of Serious Fitness, explains interval ...

Presented by Athleta, this HIIT workout is basically a guaranteed confidence boost. Celebrity trainer Amanda Butler leads you through two different rounds of full-body interval training, helping you ...

Add Yahoo as a preferred source to see more of our stories on Google. During peak New Year's resolution season (aka January), gyms everywhere fill up with folks ready to lose weight. While strength ...

Well, after a six month hiatus during which I was abroad in moldy England, I have returned to Tufts, ready to continue doing what I love: dispelling those asinine fitness myths that have propagated ...

After years of doing cardio and HIIT classes, I'm trying to incorporate more strength training into my fitness regime as I want to build some muscle (and have next to none). My question is: If I carry ...

The workout below is for Day 16 of the Just Enough Workout, a four-week workout plan. Today’s routine is pretty great on its own, but you can also check out the full program right here or browse the ...