HIIT for High Blood Pressure

The Healing Collective • November 3, 2022

Article provided by Ronald Grisanti D.C., D.A.B.C.O., DACBN, MS, CFMP complements of Functional Medicine University.

When it comes to lowering blood pressure exercise is a non-negotiable factor.

You may be thinking what is the most effective form of exercise to lower blood pressure.

More and more studies are showing the exciting results of something called HIIT in lowering blood pressure. HIIT stands for High Intensity Interval Training

What is HIIT?

HIIT is not any specific exercise, rather, it is a technique. You can apply this technique to almost any kind of exercise whether it be walking, riding a bike, swimming, doing some body weight exercises or even dancing in your living room.

** ALWAYS CHECK WITH YOUR PHYSICIAN BEFORE STARTING ANY FORM OF EXERCISE FOR HIGH BLOOD PRESSURE

HIIT training consists of combining very short bursts of working at your absolute max alternating short periods of active recovery rest. Research has found that this form of exercising gives you more health benefits than any other way of exercising.

It shortens the amount of time you need to spend on exercise and is more effective; you work out for just 10-30 minutes and reap impressive health benefits. You burn more body fat, your metabolism is stimulated for long after you finish exercising, and it also it helps you utilize oxygen more efficiently.

One of the biggest benefits people find from HIIT is the reduction in training time. Through HIIT, you can put in about half the amount of time compared to traditional cardio exercise to reach your goals.

One study found that just 2 minutes of HIIT sprinting increased metabolism as much as 30 minutes of running. HIIT increases the efficiency of your heart and HIIT training also has a major effect on naturally lowering your blood pressure.

HIIT and blood pressure:

Although most any type of exercise has its benefits, HIIT shines when it comes to saving time. Using the HIIT technique is the ultimate short-cut.

Study after study shows that HIIT exercise improves blood pressure in people with hypertension better than any other kind of exercise routine.

HIIT is extremely effective in reducing resting heart rate and blood pressure in overweight and obese individuals.

It has been shown that HIIT exercising just 3 times per week for just 20 minutes at a time lowers blood pressure more effectively than continuous endurance training.

What is the science that makes HIIT so effective?

HIIT training changes something called endothelial function.

The endothelium is a very thin membrane that lines the inside of your heart and your blood vessels. The cells in this membrane release a variety of substances that control how your blood vessels relax and contract.

We know that stiff hard arteries play a role in high blood pressure. The ability of your artery walls to expand (vasodilate) is very important. You need to have flexibility in your arteries to allow for appropriate blood flow throughout your body.

HIIT improves endothelial function and reduces the stiffness in your artery walls more so than any other traditional form or exercise.

Just a 1% improvement in your endothelial function can result in a 13% reduction in the risk of cardiovascular events like heart attacks and strokes.

One study showed that 73% of people restored blood pressure to normal using a HIIT training method for just 2 months and 24 exercise sessions. There was a significant reduction in systolic blood pressure from 145.4 (± 9.0) to 118.3 ( ± 15.6) mm Hg.

How to Apply HIIT

With HIIT training you're are going to go ‘all out' at a high intensity for short amounts of time.

You then do an ‘active recovery' rest for a short interval. You can apply this technique to any kind of exercise, walking, running, jumping rope, cycling and even to weight training.

I personally prefer using a stationary bike for minimizing injury. It is simply a great option to implement HIIT into your workouts.

Using the HIIT on a stationary bike

Warm-up for 5 minutes on a low setting.
After your 5 minute warm-up increase the tension on the bike and pedal as fast as you can for 20 seconds. This is called the Sprint phase. After the 20 second sprint phase, lower the tension on the bike and comfortably pedal for 2 minutes.
This is one session of HIIT.
Repeat the above 5 times and you are done.

Heart Recovery Tip

After doing your 20 second sprint, lower the tension and wait 60 seconds and check your pulse. You want your elevated pulse to come down between 8-10 beats. This is your heart recovery zone. If for some reason your pulse does not come down 8-10 beats you should stop and call it a day. For example: After you do your all out sprint for 20 minutes your heart rate when go up to 110 beats. After one minute of decreasing the tension and comfortably pedaling, your heart rate should come down to 100-102 beats. That is a good heart recovery.

Although as I mentioned above I prefer the stationary bike this can be applied to walking as well. Simply walking at a comfortable pace for 5 minutes then do an all out "brisk" walk for 20 seconds. Walking comfortably for 2 minutes then repeat five times.

That is all you need to do to maximize this effective form of exercise (HIIT) to lower your blood pressure.

REFERENCES

https://pubmed.ncbi.nlm.nih.gov/29424402/

https://www.sci-sport.com/en/articles/HIIT-and-hypertension-Improvement-of-cardiovascular-functions-163.php

https://www.healthline.com/nutrition/benefits-of-hiit#TOC_TITLE_HDR_8

https://pubmed.ncbi.nlm.nih.gov/21450580/

https://journals.sagepub.com/doi/abs/10.1177/1741826711400512

https://www.sciencedirect.com/science/article/pii/S0531556516306003

The information on this site is not intended to replace a one-on-one relationship with a qualified health care professional and is not intended as medical advice. It is intended as a sharing of knowledge and information from the research and experience of Dr. Grisanti and his functional medicine community. Dr. Grisanti encourages you to make your own health care decisions based upon your research and in partnership with a qualified health care professional.

We offer whole-person functional and integrative care at The Healing Collective. Contact us to schedule a free consult or to become a new patient at our clinic in Niwot, CO. Learn more about our functional medicine providers here.

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