Athletes search Zone 2 when base-building and longevity cardio trends rise.
Zone 2 Training
Zone 2 training is easy aerobic work in a heart-rate band where you can still talk — base endurance, not an all-out HIIT plan.
Zone 2 training is easy aerobic work in a heart-rate band where you can still talk — base endurance, not an all-out HIIT plan.
Athletes search Zone 2 when base-building and longevity cardio trends rise.