We Don't Just Train You Harder...
We Train You Smarter
 
Instant Access To TOP SECRET FORMULAS that will DOUBLE your FLEXIBILITY!!!
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Jon Engum is a 7th Dan Kukkiwon Certified

Taekwondo Grandmaster and holds Master rank in Hapkido and Kumdo. 


He is the author of Trembling Shock, Flexible Steel, and Creator and Chief Instructor of the Flexible Steel System,

owner of Jon Engum’s Extreme Training

and a StrongFirst Master Instructor

who teaches Workshops, Courses and

Certifications worldwide.


Call or email today to find out how to host a Workshop.


(218) 828-7063

info@extremetraining.net
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Engums Extreme Training specializes in fitness education certifications.  With our main focus on mobility, flexibility, stretching, strength and kettlebell instructor training and certification. Be sure to check out our books, dvd's and upcoming events.