Ninja Class Schedule

Sterling Gym is a proud member of the USA Ninja Challenge organization, which provides progressive obstacle training, certification programs and sanctioned competitions for kids. The program is designed to meet the requirements of a full physical fitness program for today's youth. We incorporate standard gymnastics apparatus including rings, bars, balance beams and tumbling surfaces. Other specialized ninja training equipment is also used such as cargo nets, traverse walls, slack lines, ropes and ladders. Each portion of every obstacle course also includes corresponding conditioning and flexibility stations. The desired result of this program is to improve children's strength, flexibility and all-around athleticism.


There are six basic categories of ninja obstacles.

These categories were developed to incorporate all of the basic movements and use all of the muscle groups of the human body.


Jumping includes box jumps, long jump, jumping over or onto obstacles, jumping from platform to platform and even from platforms to ropes and cargo nets!


Ninjas get to climb ropes, cargo nets, pegboards and rock walls!


Swing sets have become a bit boring, so we've upped the game to swinging on gymnastics rings, ropes, hanging ladders, hanging nunchucks and parallel bars!


There are a lot of things to traverse across in a gym: cargo nets, spotting blocks, rock walls, pegboards, and ledges to name a few!


The ninja programs work on balancing. These training activities include balance beams, slack lines and rolling barrels!


This category includes running, block pushing, army crawl and vaulting. In addition to these floor skills, Ninjas also learn basic gymnastics tumbling skills.

Levels Program

A skill level progression system has been devised to challenge children of different abilities and create mobility by providing step-by-step successes. In each level, students advance based on progression of skills in the six categories of Ninja Obstacle. Our curriculum focuses on improving and mastering specific skills, strength, speed, and agility as well as the students' listening skills. In addition, classes are designed to continually develop discipline, coordination and flexibility.

Sterling Gym offers classes by age and level. Students will be tested on skills during class. Certificates will be awarded upon completion of each level. In addition, each ninja will earn the right to wear a certain color T-shirt showing their current level. T-shirts are available to purchase in our pro-shop.

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Ninja Challenge Team

The team program allows participants to put their skills to the test both locally and regionally at Ninja Jams. USA Ninja Challenge Jams involve children of different ages negotiating obstacle courses containing various challenges. Ninjas compete at different age and skill levels.

Competitors race the clock to finish the courses in their best time. A judging system is employed to track time penalties throughout each course.

Jams also offer "Side Missions" which are individual obstacle challenges for best times or greatest distances. There are even head-to-head races!

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15 Industrial Drive Sterling, MA 01564 978-422-7655
USA Gymnastics Member Club