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  • Profile picture of Dirk Herfurth

    Dirk Herfurth wrote a new post

    • 4 years, 4 months ago
    Week 12 - Dirk Herfurth

    This Saturday there was a welcome change to the routine. My son and I attended a sword casting class at the dojo. Throughout the morning we learned what different types of swords there were throughout antiquity. We…

  • Profile picture of Dirk Herfurth

    Dirk Herfurth wrote a new post

    • 4 years, 4 months ago
    Week 11 - Dirk Herfurth

    Quick update on my progress. I have done ¼ of needed quantity for both the pushups and the crunches. For Kata I am almost a third down. Over the last few weeks the mileage counter was low a little bit due to the…

  • Profile picture of David Brezinski

    David Brezinski wrote a new post

    • 4 years, 4 months ago
    Week 11 - David Brezinski

    “A true friend doesn’t have guts; they beat you up and later plead with you to beat them back.”― Michael Bassey Johnson Today I am going to write about friendship and camaraderie. I believe both of these are int…

  • Profile picture of Dirk Herfurth

    Dirk Herfurth wrote a new post

    • 4 years, 4 months ago
    Week 10 - Dirk Herfurth

    Little update on my progress. All of the push-ups and sit-ups numbers are doing well. I am on course. Issues so far? My left shoulder joint hurts a little from all the exercise. I counter that with some turmeric/…

  • Profile picture of David Brezinski

    David Brezinski wrote a new post

    • 4 years, 4 months ago
    Week 10 - David Brezinski

    War, conflict and the anxiety it causes. As I sit here and write this post, terrible things are happening in Ukraine as Russian forces continue to battle their way into taking control of this country and people who…

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OneHeart Challenge

The OneHeart Challenge is a year-long quest rooted in the principles of of Isshinryu Karate–the ‘One-Heart Way.’ While some will use the challenge as part of their next rank promotion, it is so much more than a black-belt test. This challenge embodies the harmonious fusion of mind, body, and spirit.

Latest Posts

  • Isshinryu Hall of Fame July 18, 2026
  • Extreme Catchup July 17, 2026
  • College Tour July 13, 2026
  • Back Again July 8, 2026
  • East Coast July 8, 2026
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