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. Spooky season will ...

Many of us, regardless of our age or fitness levels, know that we should be doing more exercise but are unsure where to start. So what is the ultimate exercise for improving health, longevity and ...

Many runners find pushing themselves in training and racing as one great source of enjoyment for the hobby, which is why once a month in our Runner’s World+ member newsletter we describe a quality ...

Rarely do we think about ab exercises outside of when we’re doing plank exercises or a set of crunches, but your abs are a large and important muscle group that helps us perform many movements ...

How to: Start standing on the mat, feet hip-width apart. Bring elbows together and up, arms in a 90-degree angle. Keeping core stable, open elbows as wide as possible and then bring them together ...