I didn’t experience much soreness the next day, making this challenge all the more sustainable because fatigue didn’t keep me from being able to workout 24 hours later. Besides a slight ache ...

I decide to take things up a notch by performing the single-leg weighted lunges to failure, which is 14 on ... This 21-day lunge challenge was, without a doubt, the most enjoyable fitness feat ...

A workout challenge where you have to do a bootcamp class 30 days in a row, for example? That’s only going to cause wear and tear on your body and could even lead to injury — especially if you ...

Stop us if this sounds familiar: You’re looking for a way to jumpstart your cross-training fitness routine but life is so busy that even the thought of adding in several longer strength training ...