practice · Tracked item
Norwegian 4x4 interval training
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1 recommendation across 1 expert · 1 episode
1 endorse
0 nuanced
0 avoid
Who's on the record
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Tommy WoodEndorsesBen Greenfield LifeIn a protocol
4x4 high-intensity intervals (85-95% max HR) three times weekly improved hippocampus structure/function with lasting effects.
“four minutes, 85 to 95% of maximum heart rate, three minute break, four times over
BG▶ 47:00Dosage4 min at 85-95% max HR, 3 min recovery, 4 rounds, 3x/week for 6 monthsCertaintyexplicitstrong endorsement