How Often Can You Go to CrossFit or HIIT Exercises

Educational Content Disclaimer: This article provides educational information only and is not intended as medical advice, diagnosis, or treatment. The content discusses general health topics and should not replace consultation with your licensed healthcare provider. Always consult with your doctor before starting any new exercise program. Dr. JJ Gregor is a Doctor of Chiropractic licensed in Texas and practices within the scope of chiropractic care.

The Sprint That Fed the Tribe

Your ancestors tracked game for hours—sometimes days—at a conversational pace. Low heart rate. Fat-burning metabolism. Sustainable forever.

Then came the moment: The final chase. The spear throw. The takedown.

Thirty to ninety seconds of maximum effort. Complete glycogen depletion. Explosive power. Then it was over.

That brief, intense burst—the kill—happened once or twice a week when the hunt was successful. The rest was walking, tracking, and carrying meat back to camp.

High-intensity interval train...

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The Safe and Effective Way to Exercise

Educational Content Disclaimer: This article provides educational information only and is not intended as medical advice, diagnosis, or treatment. The content discusses general health topics and should not replace consultation with your licensed healthcare provider. Always consult with your doctor before starting any new exercise program. Dr. JJ Gregor is a Doctor of Chiropractic licensed in Texas and practices within the scope of chiropractic care.

You Were Built to Be an Exceptional Athlete

Not Olympic-level exceptional. Hunter-gatherer exceptional.

Your ancestors tracked game for hours—sometimes days—at a conversational pace. Eight to twelve miles daily. Low heart rate. Fat-burning metabolism. Sustainable forever.

That movement pattern built your cardiovascular system, your metabolism, your mitochondria, and your stress response. That's what human physiology evolved for.

Modern fitness inverted this. We sit all day, then do chronic moderate cardio that's too hard to build a...

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