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 may not look normal -- the front of your foot resting on the back of your head while doing a handstand -- but contortionist Samantha Halas insists it's one heck of a workout. *Special offer only ...