American Ninja Warrior' is inspiring children to create ninja workouts of their own and take classes at specially designed obstacle course gyms like Iron Sports in Houston. Photo: Scott Dalton for ...

Ninja training has a unique appeal ... Starting a ninja journey is simple. For kids, the gym offers 12-week instructional semesters for $546. Adults can join drop-in classes or purchase monthly ...

Shinobi Poli started the Shinobi School in his own backyard in 2014 and now he has his own spot at University Mall training ...

New Jersey is home to many indoor ninja-style obstacle courses and aerial arts gyms where little acrobats and ninjas can hone ...

If I work on balance, running, core strength or obstacle work when training for things like “Ninja Warrior,” that ... Twenty percent is life: kids, parties, traveling and experiencing local ...