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 hoursā€”sometimes daysā€”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 burstā€”the killā€”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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