30 Seconds Summary
High Intensity Interval Training - The Ultimate Guide

  • HIIT (High Intensity Interval Training) has emerged as a highly effective alternative to traditional aerobic exercise, promising significant improvements in muscle mass, fat loss, and overall fitness in a fraction of the time.
  • Research indicates HIIT can be more effective than steady-state aerobic exercises in reducing fat, enhancing VO2 max (a measure of cardiovascular fitness), and improving various clinical health markers.
  • HIIT routines alternate between high-intensity exercises and lower-intensity or rest periods, making workouts shorter yet highly efficient in stimulating physiological adaptations.
  • Studies demonstrate that HIIT leads to greater fat loss and superior gains in VO2 max compared to traditional endurance training, often in shorter training periods.
  • HIIT not only boosts sports performance by improving power output and reducing sprint times in athletes but also offers extensive health benefits such as improved cardiovascular fitness, insulin sensitivity, and reduced inflammation.
  • The versatility of HIIT allows it to be performed with minimal equipment like treadmills, bikes, or even no equipment, making it accessible for workouts at home or outdoors.
  • Adaptable to various fitness levels, HIIT protocols can range from short and intense bursts for beginners to longer sessions with extended rests for more advanced athletes.

Track & Plan Workouts
with Ease

  • Unlimited workout logs
  • Automatic volume tracking
  • Personalized programs
  • RPE support, rest timer, and more!
WorkoutWise Screenshot

Read Next

The Science of HIIT Cardio

Here’s how high intensity interval training changes your metabolism and can help turn you into a fat burning machine.

Biolayne

Chris and Eric Martinez

The Cardio Comedown

So you want to get lean and you think cardio is the answer, right? Ok, let’s talk about why you should (not) do cardio. Cardio as a fat burner You may do cardio because it burns fat. Many studies show pretty exciting numbers for fat oxidation and other metabolic changes, but they’re usually short te…

MennoHenselmans.com

Menno Henselmans

9 Reasons why women should not train like men

Since my article on the natural muscular potential of women went viral with over twenty thousand shares on Facebook alone, my inbox has been flooded with the question ‘How should women train and diet?’ Here’s the answer. But first, to put many of the differences between men and women in context, it…

MennoHenselmans.com

Menno Henselmans

Research Spotlight: Sleep restriction reduces myofibrillar protein synthesis

The study reviewed is “The effect of sleep restriction, with or without high-intensity interval exercise, or myofibrillar protein synthesis in healthy young men” by Saner et al.

Stronger By Science

Jack Quint

Avoiding Cardio Could Be Holding You Back

Strength athletes fear cardio like the plague, but aerobic training actually has a host of benefits if you’re trying to get stronger and recover faster.

Stronger By Science

Greg Nuckols