Marathon training is no joke—especially when it leaves you with scabs on your armpits or under your boobs. And I’ve experienced both. During one particularly long, sweaty run, I knew my sports bra was rubbing a little too roughly against my skin. But chafing be...

Use this metre to gauge your daily and weekly workout intensity so you know whether you’re pushing yourself too hard – or not hard enough. To get lasting results, you want to strive to fall into that middle ground (what PT Jade Teta calls ‘the Goldilocks zone’) most...

Nicole Jefferson was in her late twenties but felt as if she had the hips of a senior citizen. It seemed as if something in her hip was constantly catching and snapping. Pain pinballed from her lower back to her groin to her hip. Short jogs—something that should have...