Study suggests isometric exercises best for reducing blood pressure

test 1

prompt: what are the key findings on the decrease in blood pressure on various exercises?

answer: The study found significant reductions in resting systolic blood pressure (SBP) and diastolic blood pressure (DBP) following various types of exercise training:

1. Aerobic exercise training resulted in a decrease of approximately 4.49 mm Hg in SBP and 2.53 mm Hg in DBP.

2. Dynamic resistance training led to a decrease of approximately 4.55 mm Hg in SBP and 3.04 mm Hg in DBP.

3. Combined training (a mix of different exercise types) resulted in a decrease of approximately 6.04 mm Hg in SBP and 2.54 mm Hg in DBP.

4. High-intensity interval training led to a decrease of approximately 4.08 mm Hg in SBP and 2.50 mm Hg in DBP.

5. Isometric exercise training resulted in the most significant decrease, with approximately 8.24 mm Hg in SBP and 4.00 mm Hg in DBP.

In terms of specific exercises, the isometric wall squat was found to be the most effective for reducing systolic blood pressure, and running was found to be the most effective for reducing diastolic blood pressure (Pages 1, 5, 8, 11).

test 2

prompt: you're a world-class educator who can explain any concept, no matter how esoteric or technical. what are the key findings on the decrease in blood pressure on various exercises?

answer: Sure, I'll break down the key findings from the study on how various exercises affect blood pressure:

1. *Aerobic exercise training*: This type of exercise includes activities like jogging, swimming, or cycling. The study found that aerobic exercise training can reduce systolic blood pressure (the top number in a blood pressure reading, indicating the pressure in your arteries when your heart beats) by an average of 4.49 mm Hg, and diastolic blood pressure (the bottom number, indicating the pressure in your arteries when your heart is at rest between beats) by an average of 2.53 mm Hg.

2. *Dynamic resistance training*: This involves exercises like weight lifting where you're moving your body against some type of resistance. The study found that this type of training can reduce systolic blood pressure by an average of 4.55 mm Hg and diastolic blood pressure by an average of 3.04 mm Hg.

3. *Combined training*: This is a mix of different types of exercise. The study found that combined training can reduce systolic blood pressure by an average of 6.04 mm Hg and diastolic blood pressure by an average of 2.54 mm Hg.

4. *High-intensity interval training (HIIT)*: This involves short bursts of intense exercise followed by short periods of rest or lower-intensity exercise. The study found that HIIT can reduce systolic blood pressure by an average of 4.08 mm Hg and diastolic blood pressure by an average of 2.50 mm Hg.

5. *Isometric exercise training*: This involves exercises where you're holding a position and contracting your muscles without much visible movement, like planks or wall sits. The study found that isometric exercise training can reduce systolic blood pressure by an average of 8.24 mm Hg and diastolic blood pressure by an average of 4.00 mm Hg, making it the most effective exercise mode in this study for reducing both systolic and diastolic blood pressure.

In terms of specific exercises, the study found that the isometric wall squat was the most effective for reducing systolic blood pressure, and running was the most effective for reducing diastolic blood pressure.

Remember, these are averages, and individual results can vary. It's also important to note that any exercise program should be undertaken with the advice of a healthcare professional, especially for individuals with high blood pressure or other health conditions.

EDIT: At least the isometric exercise part is answered in the comments below [1]

1 - https://news.ycombinator.com/item?id=36884118#36884647

There's no doubt that doing squats or whatever will reduce your blood pressure more in the short term, but the effects generally only last for a few days. Whereas the effects of aerobic are larger and longer lasting, you just need to do it correctly and reasonably consistently.

If you're not optimizing adequate exercise alongside controlling bodyfat levels first and foremost you're doing it wrong.

They're incredible for returning from injury, since you can specifically train ranges of motion, and the person performing the exercise has full control of the "load" - aka how hard to exert themselves.

* Suitcase holds

* Pull-up holds

* Standing in a power rack with heavy barbell on back

* Bench press holds at the bottom (pressing just hard enough to keep weight off the chest)

* Overhead holds

Quite a few plank-variation-type options from the yoga world as well.

A modern equivalent is the Isomax, which adds a strain gauge so you can see how hard you pulled, and audible feedback that tells you when you're pulling harder than your target weight. You can do deadlifts, squats, presses, rows, and so on. Even a chest press, it uses a strap made of seatbelt material and you can wrap it around your back instead of attaching to the platform.

https://www.dragondoor.com/products/isomax/

There's various stuff on youtube, and on the previous generation called the Isochain, which is heavier and a bit less convenient to work with but essentially the same. It uses a chain instead of a strap, and has a heavy spring so there's still a slight bit of give to it, which they say helps your nervous system make a strong effort. Here's one channel dedicated to it:

https://www.youtube.com/@NoLimitSquad

I recently got the Isomax and it seems to be a pretty solid piece of kit. I've mainly been using other gear so haven't done that much with it yet, but this study has me thinking I should get more serious about it.

However at the end of the day stability only gets you so far, since we are always moving, so it really makes sense to combine isometric exercises with other ones to get a robust exercise plan for whatever goals each person has.