How to train like a Ninja Warrior

When a regular work out in the gym is not challenging enough for you, here are some alternatives which have gone viral over the past few weeks.

Oh well... maybe you should never try this yourself. Push-ups on a bunch of dumbbells, just don't try this at home!

Something with footwork and speed.... This athlete must have the fastest feet in the world!

If you truly want to become a Ninja Warrior, this might be the perfect training!

You can even build it in your own garden! 

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