Is HIIT actually the best way to start?

For sedentary people, High-Intensity Interval Training (HIIT) provides the highest metabolic burn in the shortest time, but Threshold Training (THR) offers more sustained cardiovascular stimulation.

Test your knowledge

Alex is a college student who hasn't exercised in months and wants to start a new fitness routine. He wants to improve his heart health but is worried about feeling completely overwhelmed or exhausted during his first few weeks. Which type of workout would likely provide the best balance of progress without excessive physical stress?

A) High-Volume Low-Intensity Training (HVT), because it is more suitable for those with lower exercise tolerance.
B) High-Intensity Interval Training (HIIT), because the short bursts of effort are the fastest way to see results.
C) Threshold Training (THR), because it provides the most intense cardiovascular stimulation possible.
D) A combination of HIIT and Threshold Training, because they both produce the highest calorie burn.

🔬 The Breakdown

Context: Standard fitness advice often pushes high-intensity workouts on everyone. This research shows that for those just starting out, high-intensity may be less sustainable than steady, progressive loads.

Reality Check: High-intensity work can feel overwhelming and physically taxing for those with lower exercise tolerance, making it difficult to stay consistent.

Takeaway: If you are new to exercise, prioritize High-Volume Low-Intensity Training (HVT) to build a foundation before moving to HIIT.

Published October 27, 2026

The science, explained

Evidence Check: This was a crossover study involving 45 sedentary college students comparing four different exercise modalities.

Conventional Wisdom Check: This refines the idea that 'harder' is always 'better' by showing that lower-intensity options are more appropriate for beginners.

Everyday Translation: For someone just starting out, steady, lower-intensity movement is a safer and more manageable way to build a foundation than high-intensity workouts.

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