High Intensity Interval Training (H.I.I.T)

“I just don’t have the time” is the number one reason I hear in response to why people aren’t exercising. Even 4 minutes four times a week will produce benefits. High intensity interval training, or HIIT has become a common method of working out. As the name suggests it involves alternating between periods of very intense work (0:10 – 2:00mins) and short periods of low intensity or rest (0:10-1:00min) often repeated for several rounds.

HIIT is not a new concept by any means. In 1937 a Swedish cross country coach by the name of Gösta Holmér developed a method of training known as fartlek (“speed play”) because he was sick of being beaten by the Finns. He used bursts of running at a faster-than-race pace to build endurance and speed, which required athletes to use both aerobic and anaerobic energy systems.
Since then many physiologists and sports coaches have employed similar methods. Another common method is Tabata training, which involves a 4-minute session of 20sec of high intensity (170%) followed by 10sec of absolute rest, for a total of 8 rounds.

The numerous benefits of HIIT include:

  • Time efficient
  • Improves both aerobic and anaerobic energy systems
  • Decreased risk of CVD (cardiovascular disease): Better heart health!
  • Increased rate of compliance/adherence: People are more likely to stick with the training program
  • Increased fat loss and energy expenditure, increasing post-workout fat oxidation: Boosts metabolism, continue to burn calories up to 24hrs after working out.
  • Fat loss vs Muscle loss
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Malcolm Calcutt

In the last century, a mechanical fitter by trade. Now re-invented as a Soft Tissue Therapist that uses past skill sets to enable better understanding of your presentation. Loving the ability to have a difference in peoples lives through greater awareness and education. Quiet time is traveling, exploring our past around the world, Antiquities hold so much lost knowledge and understanding about being human.
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