I did 50 shoulder taps every day for a month – and this is what it did to my core

My weekly workout routine involves MetCons (workouts combining functional strength and cardio), barbell technique sessions, and a cycling class, though I was on leave for a lot of the 31 days. I ...

I tried this 7-minute intense core workout — here’s what happened to my abs

Looking for a quick ab workout to fire up your core? This seven-minute intense ab challenge targets your lower abs with no equipment. To find out for myself, I unrolled my yoga mat and gave it a go ...
Lifehacker

Here's What 'Core Sleep' Really Means, According to Your Apple Watch

Let's talk about one of the most confusing terms you’ll see on your fitness tracker—specifically your Apple Watch. Next to REM sleep, which you’ve probably heard of, and “deep” sleep, which feels self ...
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Here's What 'Core Sleep' Means On Your Apple Watch—and Why It Matters

It’s not exactly news that sleep is an important part of health. It’s also not exactly news that many of us struggle to get enough. Whether it’s because of a busy schedule, insomnia or feeling ...