Why Your Steady-State Cardio Isn't Working (And What to Do Instead)

The 10-20-30 protocol is simple: 30 seconds at an easy pace (think walking or light jogging), 20 seconds at a moderate run, ...

Build top-end speed the smart way with Kilian Jornet’s 30/30 interval method

Kilian Jornet is widely regarded as the GOAT of mountain running. The Catalan has won every off-road title worth winning – ...
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What is interval training and why are gym buffs obsessed with it?

Fitness trends come and go. However, every once in a while, a training method emerges that truly endures. One of those methods currently dominating gyms and running tracks alike is high-intensity ...
Self

The Norwegian 4x4 Workout Could Help Boost Your Endurance

Every so often, a new type of workout seemingly takes the fitness world by storm. The latest in this long line of buzzy fitness fads: the Norwegian 4x4 workout, a high-intensity interval training ...
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I'm a personal trainer — and here's why everyone is obsessed with the Japanese interval walking method

The Japanese Interval Walking Training (IWT) method has been trending this year because it could help you to burn fat and lower your blood pressure. You can create the Japanese walking method on your ...
The Week

FACT CHECK: Is the viral ‘Japanese interval walking’ technique really that effective?

CLAIM: Interval walking, which alternates between slow and brisk walking, offers greater health benefits than the traditional ...