SOAR Challenge: The Iron Chamber
Posted on 8 March 2026
by Calvert
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Instead of focusing on the strike itself, this challenge forces you to build the muscular endurance needed to hold a perfect chamber for any kick.
The Rules:
- Select one kick type: (Front, Side, or Roundhouse).
- The “Rep”: From your fighting stance, raise your leg into the chamber position for that specific kick.
- The Hold: Hold the chamber—perfectly locked, knee pointed, hip aligned, and base foot solid—for 3 seconds.
- The Extension: Extend to the kick (snapping), then immediately retract back into the chamber position and hold for another 2 seconds before placing the foot down.
- Complete 100 total repetitions (50 on each leg) over the course of the week.
What this challenge accomplishes:
- Technique over Speed: It forces you to stop “swinging” your legs and start controlling them.
- Muscular Isolation: Holding the chamber engages the hip flexors, obliques, and stabilizer muscles in your base leg that a normal “fast” kick often skips over.
- Tang Soo Do Discipline: It emphasizes the “slow-motion training” aspect often cited in traditional martial arts to improve form.
Pro-Tip: If you feel your chest leaning back or your base leg wobbling, you are likely losing your center of gravity. Keep your torso upright—like a string is pulling the top of your head toward the ceiling. Take a break, form is more important than reps.
Soar weekly challenge sheet
Don’t forget to stretch for at least 10 minutes every day.
Your Attitude Determines Your Altitude – SOAR!