Zone 2 Cardio Is Trending. But Is It Really Better for You?
Culture Index
Score Breakdown
Relevance
21/25
Freshness
10/25
Authority
14/20
Brand Signal
3/15
Depth
10/15
5-Axis Cultural Radar
Steady-state cardio has fitness influencers in a chokehold. But now some are questioning whether it’s actually the smartest way to train.


