This Workout Protects Your Brain For Years
In a Nutshell
Norwegian 4x4 HIIT (4 min zone 4 effort, 3 min recovery, x4) drives lactate for cognitive and vascular brain benefits lasting 5 years after 6 months (3x/week), outperforming VO2 max gains and boosting klotho. Travel alternatives like high-rep leg presses or slow-tempo weight training (e.g., 20-rep squats, 5-10 sec up/down) produce extreme lactate safely via time under tension, minimizing injury. Use heart rate monitoring (Morpheus strap) and recovery tools like Normatec boots for optimal results.
These notes were generated by AI and may contain inaccuracies.
4x4 Norwegian high-intensity training involves zone 4 effort, maxing out heart rate: 4 minutes on, 3 minutes off, repeated four times. It produces significant lactic acid.
Stationary bikes in hotels are inconsistent and can destroy knees.
Dr. Tommy Wood discussed this; lactate is a key driver of cognitive changes, neuroanatomical and vascular changes, potentially more than VO2 max.
Weight training like 20-rep squats in slow cadence produces high lactic acid levels, possibly achieving similar effects. Klotho is another factor, created by HIIT in humans.
High-intensity interval training isn't always feasible when traveling. High-repetition leg presses can induce extreme lactic acid buildup in 5 minutes.
Norwegian 4x4, done three times a week for 6 months, yields beneficial effects lasting 5 years.
Isn't that [__] crazy? The durability of the effects are just nuts.
Heart rate-based, accessible even with low baseline fitness; no need to blow yourself apart. Use Morpheus chest strap for monitoring.
Leg fatigue limits before heart rate in some due to mitochondrial factors or stroke volume, not lungs.
Normatec boots squeeze legs to move blood, great for recovery; feel like a coobe cow. Can use with cold beer.
Experiment with lactate as a lever for cognitive longevity.
Slow lifting minimizes injury risk: 5 seconds up, 5 seconds down, or 10 seconds up, 10 seconds down. Time under tension is huge; lower weight, avoid momentum. Ideal if not a competitive powerlifter.
Sign in to read the full notes
Get access to AI-generated notes, topic timestamps, and more.