I made a vow to be more adventurous this year, so I’m signing up for all the weird and wonderful workouts I can find in my hometown of London, then reporting back on what I’ve learned about fitness, ...

It’s easy to almost forget we have muscles in our back. We can see and feel our biceps and our abs working, but if we ever get a sore lower back, we often worry that we’ve hurt our spine. In fact, ...

If you’ve ever held a plank, paused at the bottom of a squat or pressed your palms together in front of your chest, you’ve done an isometric exercise. Ta-da! These holds might look simple — after all, ...