Cleaning and hygiene in the martial arts studio


Martial arts is a statistically very safe sport to practice, for both youngsters and adults.  One of the dangers however, (which you have to be aware of when selecting a martial arts studio for yourself or children) is hygiene.  Martial arts mats are vigorously used and are in contact with feet, sweat and the occasional blood (from little cuts on fingers, toes, elbows etc., just like any other sport).  That in combination with skin contact can be a hazard.

martial arts mats cleaning hygiene bacteria disinfecting disinfectant green cleaning hygiene
That is why it is extremely important to clean the mats thoroughly and disinfect them.  At Define Defense, we clean the mats every day with a biodegradable disinfectant.  This does not only kill 99.99% off all possible bacteria (staph, MRSA, impetigo etc.), viruses (warts) and fungi (ringworm) but it is also safe since it is a ‘green’ product, not a chemically engineered product which is unhealthy as well.  Every few weeks, we also steam clean the mats with a machine.  This is a procedure which guarantees a very thorough cleaning.

Martial arts is not any more hazardous than any other sport, think about the equipment you sweat in doing football or soccer; or the materials you are in contact with when doing weight lifting or gymnastics. Simply think about how many people use a regular gym or rec center every day.  If you are careful and train at a responsible facility, the risk is minimal!  

A few other things we do:
  • We offer 2 private showers for our clients to use after their workout
  • We sell long sleeve Define Defense rash guards for more protection
  • The weight lifting and cardio equipment is disinfected frequently
  • We encourage everyone to wear clean and freshly washed gear

In our facility, we have had no issues whatsoever and strive to keep it that way by keeping the studio spotless and disinfected (while using responsible products instead of chemicals)!

By Sander Vanacker, owner, head instructor and personal trainer of Define Defense Martial Arts & Personal Training.

Define Defense in Boulder, CO
- Modern Martial Arts
- Brazilian Jiu Jitsu & MMA
- Self Defense Classes & Workshops
- Personal Training
- Cross Training / TRX Classes

1805 11th Street Suite B
Boulder, CO 80302


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Our new website

Welcome to our new website!

We are pleased to tell you we have expanded our programs and class times.  A few changes we have made:

- We have revamped our website at
www.DefineDefense.com for your convenience
- We have added an adult Modern Martial Arts class (9 classes + 3 circuit training classes for you to join now!)
- We have added a women's self defense class (now 6 instead of 5) 
- The women's self defense program is $250 for 2 months of unlimited classes and
includes a pair of gloves (to ensure protection of the wrists).
- A new
Brazilian Jiu Jitsu program will be launched this Monday, this program offers 8 BJJ classes throughout the week and also offers 3 circuit training classes, free of charge.  All new clients joining the Brazilian Jiu Jitsu program will receive a $50 gift certificate to redeem with their membership.  This offer is valid until July 31st.
- Joining both Modern Martial Arts and Brazilian Jiu Jitsu will also be possible with our Platinum Program for only an additional $20 per month, please contact us for more information
- Define Defense has partnered up with Max Muscle Sports Nutrition in Boulder.  We are happy to inform our clients that they will enjoy a permanent
15% discount on all products and every new/existing client of the Modern Martial Arts/BJJ program will receive a $75 gift card to Max Muscle!
- You will also find all our videos and pictures on our website and we are adding more every week
- A new blogging website is on its way and don't forget to follow us on Facebook and Twitter!


Please note that the revised schedule goes into effect
Monday July 27th!

Define Defense is also having custom printed rash guards made to wear underneath your gi or for Brazilian Jiu Jitsu.  These help you stay cool and prevent mat burns.  We will be ordering these in black and silver, short and long sleeves.  However, if you are interested in purchasing rash guards, please let me know so we can order appropriately to ensure we have your size and color.  The rash guards will be available for only $40.  For more info, please feel free to contact us.

The Define Defense team hopes these changes will positively affect your training and we strive to continue to provide a fun and professional training setting.

Thank you for your support and we hope to see you again soon!


Sander Vanacker

Owner / Head Instructor
Define Defense Martial Arts & Private Training

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New T Shirts and Rash Guards


Define Defense has received their new custom rash guards! They are extremely high quality and look amazing. Make sure to check them out in the studio. They are on sale for $40 only.

We are also expecting new T shirts. They are Next Level T shirts and tank tops which have a great fit and feel. Let us know if you want one and we’ll put them aside for you!

shirtsDD Anthem Branding Boulder Define Defense Next Level shirts

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