| its not bad for you, we do it all the time in the army. we virtually dont do any PT in the navy unless you work out on your
own but since i switched over to the army an started running, ive seen alot of improvement in the Endurance area in relation to martial arts.
just gotta make sure you hydrate yourself an watch your diet.
maybe u can try this out....mix it up between running an swimming...if u want to go back to running
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“You could do this same technique with a knife. Just keep it hidden. Don’t go swinging it around. We’re not yakuza here.”
“Don’t make the other person your opponent. If you do that, you lose your awareness to other people. Taijutsu is not just one on one.”
--- Hatsumi Sensei---
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