Martial Arts Training Service, Inc.

Martial Arts Training Service, Inc.

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Our dojo has a rich history dating back over 30 years. Please also check out our group FB for more pictures and videos!

The Martial Arts Training Service, home of Fox Valley Judo and Aikido, is a traditional Japanese martial arts dojo offering classes in Judo and Aikido for children and adults. Fox Valley Aikikai:
https://www.facebook.com/groups/foxvalleyaikikai/
Fox Valley Judo & Jujitsu club:
https://www.facebook.com/groups/foxvalleyjudojujitsuclub/

Photos from Martial Arts Training Service, Inc.'s post 04/23/2026

Congratulations to the Fox Valley Judo Club members who placed at the Cohen Brothers Tournament.

04/18/2026

DAY ONE | 2026 Pan American Championships 🇵🇦

🎥 Follow & Watch Live 👉 JudoTV.com

⏰ 9:30AM (local time)

03/04/2026

Congratulations to our new Fox Valley Aikikai yellow belts! Great tests everyone!

Photos from Martial Arts Training Service, Inc.'s post 03/04/2026

Congratulations to the members of Fox Valley Judo who took their belt test this week. Also, several members competed in Indiana and brought home silver medals! Great job everyone!

02/08/2026

Congratulations to Grigory Eremeev on his Kodokan Judo Ikkyu promotion.

Photos from Martial Arts Training Service, Inc.'s post 12/30/2025

It was great to have Nico Takano teaching Judo class last night!

12/30/2025

Shu–Ha–Ri (守破離) is a traditional Japanese learning framework that describes the natural evolution of mastery in martial arts, arts, and even life practice. It is not a rigid ladder but a living process, guiding the student from imitation to innovation.

Shu (守) — To Protect / Obey
Shu is the stage of faithful learning. The student follows the teacher’s forms, techniques, etiquette, and rhythms exactly as taught. There is no attempt to alter or personalize the art. This is not blind obedience, but deep respect: by repeating correct forms, the body absorbs structure, timing, posture, and spirit. In martial arts, Shu builds safety, discipline, and humility. The ego is quiet, and trust in the lineage is essential. Foundations are laid here, and skipping Shu weakens everything that follows.

Ha (破) — To Break / Detach
Ha begins when the student starts to understand why things work. The forms are no longer copied mechanically; they are tested, compared, and adapted. The practitioner may study other schools, feel variations, and adjust techniques according to context, body type, or situation. This “breaking” does not mean rejecting tradition, but freeing oneself from rigid dependence on it. Mistakes increase, but insight deepens. Ha is a phase of questioning, refinement, and conscious choice.

Ri (離) — To Separate / Transcend
Ri is the stage of natural expression. Technique flows without conscious effort, and form arises spontaneously from principle. The practitioner is no longer bound by styles, yet fully embodies them. Teaching becomes transmission rather than instruction. In Ri, the art is no longer something you do—it is something you are.

Shu–Ha–Ri reminds us that true mastery is a journey from form, through understanding, into freedom.

Photos from Martial Arts Training Service, Inc.'s post 11/26/2025

Congratulations to. Fox Valley Judo competitor Giselle, who won Silver at the Dallas Open last weekend!

Photos from Martial Arts Training Service, Inc.'s post 11/07/2025
Photos from Martial Arts Training Service, Inc.'s post 11/07/2025

Nov. 6th 2025 is MATS 33rd Anniversary!
MATS opened on John Gussman Sensei's
45th Birthday!
Happy Birthday from the Fox Valley Aikikai!

11/03/2025

Join us for Aikido classes this fall!

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Location

Telephone

Address


550 Industrial Drive
Naperville, IL
60563

Opening Hours

Monday 6pm - 8pm
Tuesday 6pm - 10pm
Wednesday 5pm - 8pm
Thursday 6pm - 9pm
Saturday 10:30am - 3:30pm