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Use This Navy SEAL Technique to Remain Calm in the Midst of Chaos (How to do Box Breathing) - Siim Land Blog
www.SEALFIT.com - Baseline: Pre-SOP and box breathing, then ROM Drills. Work Capacity: 100x Curtis -P for time *Every time you break: 200m Run *Every 6 minutes: 7x Burpee over the bar *Breaking
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