Norwegian 4x4 Protocol

The Norwegian 4x4 Protocol is a scientifically-backed high-intensity interval training (HIIT) method designed to significantly boost cardiovascular health and endurance. It consists of four intense four-minute intervals at 90-95% of maximum heart rate, each followed by a three-minute active recovery period. The accompanying app guides users through the protocol, tracks progress, and adapts to all fitness levels, helping improve VO2 max and heart health efficiently with just 16 minutes of training.

platform:ios platform:android pricing:paid feature:boost-cardiovascular-health feature:hiit feature:track-progress feature:suitable-for-all-levels form:mobile-app

Features

Boost Cardiovascular Health

Hiit

Track Progress

Suitable For All Levels

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Basic Info

Category Health & Fitness
Developer Norwegian 4x4 Protocol App
Initial Release 0

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Availability & Pricing

Pricing Model
Paid
Details
Paid

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