Barbells and dumbbells are the ultimate tools for strength and muscle, and in a world of divisiveness, this is something most can agree on.  Their advantages outweigh their disadvantages, and you cannot go wrong with both unless you overuse them.

Other fitness qualities are equally important, like mobility and flexibility, and there are different ways to provide resistance that don’t involve a barbell, like a resistance band. Creative fitness entrepreneurs are constantly inventing tools that come up with solutions to the problems they see and finding novel ways to load the human body.

When you are looking to think outside the box to strengthen your body to make it move better and to be more resilient, these four unique gym tools could just be what the doctor ordered.