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VO2 max
Interval Session
1/3
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hiit · treadmill / bike

VO₂ Max Intervals (Norwegian 4x4)

The most-studied longevity workout on the planet.

Sets

Target: 4 × 4 min hard / 3 min easy

#
Reps
Weight (lb)
  • 1
  • 2
  • 3
  • 4
View full VO₂ Max Intervals (Norwegian 4x4) guide →