Technical innovations: Fitness gadgets put to the test: What good are these start-up innovations?

There are many start-ups in the fitness sector – everything from a mirror with an integrated virtual trainer to a fitness backpack. But which trends actually have an impact is another question. We have tested the innovative gadgets for you.

There are many start-ups in the fitness sector – everything from a mirror with an integrated virtual trainer to a fitness backpack. But which trends actually have an impact is another question. We have tested the innovative gadgets for you.