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Scientific approaches to Girth

Originally Posted by aem_
I like this new approach to examining girth exercises and am real big on the idea of using a NIR pad alongside the other exercises themselves. I for one use the pad when pumping and vacuum hanging atm.

I will be incorporating clamping as well, I’m of the mind that the cell proliferation from the NIR pad can prevent any sort of toughening of the penile tissue. It’s just a hunch though.

I’m curious if you noticed a difference in pumping with a NIR pad?

I water pump and use a NIR pump rubber banded around it. I notice a big difference. I don’t get the red bumps, I get a less water soaked girth increase too that seems to last longer. It’s not as thick, but it seems more natural and healthy temp gain.

Originally Posted by comptop
If anyone has any thoughts on the difference between an ischemic priapism and clamping for four hours, I’d love to hear them.

I’d also be curious to know of the longest clamping sessions anyone has read about on here, and the timeframe in which injuries have been reported.

Imo the difference is the edema build up. My understanding is the interstitial fluid build up on the outside of the tunica places stress on it and prevents it from actually growing. Some kind of pressure equalization safety system. The fluid is a sign of inflammation and if it wasn’t preventing expansion it’d be good but because it is it can contribute to potential peyronies because local fluid pressure can cause uneven pressure on the tunica and because local cell matrix acts differently from the larger organ the local topology can be distorted by inflammatory activity and accumulate uneven deposits of collagen. It’s why I don’t really believe in pumping, though I’m aware some people have gained from it. And there was one study on rat penises that used like 3x the pressure people here do, totally not safe. I’ve always been skeptical of them myself. I did try it once and felt super unnatural having what felt like my entire crotch sucked into a tube. Hurt my balls too.

Clamping is a different story. I like it but I don’t think it works as well as we think. I don’t think it puts enough strain on the tunica even in a hypoxic state. Will come back to this eventually when I’m done gaining length. Going to get that out of the way first before doing girth just in case gaining length is harder after girth.

I will say I’ve been reading Kyrpas heat threads and I think we need to find a way to include heat in a girth exercise. He mentioned some dangers of using ultrasound on a clamped penis to heat it which all seem like fairly significant issues to get past especially when trying to induce a hypoxic state.

This is a tricky one imo, we need to weaken collagen, but not too much because weak collagen is also a sign of no new collagen which means no growth. We also don’t want too much collagen because fibrosis. Therefore we want to speed up the metabolism of collagen and weaken the existing crosslinks so that they expand how we want them to. Therefore heat seems like an appropriate avenue combined with adequate stretch.

I’d like to explore the above further before jumping into any conclusions about hypoxia and its benefits as it seems unnecessary at this point (for me at least).

If anyone has any idea on what stretches, aside from maybe bundled stretches, would be good in a girth routine with heat drop them here.

I’d definitely advise to gain length before girth, if you want extra length as it will very possibly be more difficult later on after gaining girth.


11/14/2015 6 x5 1/8 -> 4/25/16-6 3/8 x5.5

Restart 3/24 @ 7.25BPEL / 6.5nbpel/ 5 3/8 meg

7/31/24 @ 8/ 7.25nbpel/ 5.375meg ~ lost 1/8 this month :(

Originally Posted by comptop
If anyone has any thoughts on the difference between an ischemic priapism and clamping for four hours, I’d love to hear them.

I’d also be curious to know of the longest clamping sessions anyone has read about on here, and the timeframe in which injuries have been reported.

Well the single most important difference is that a priapism is a constant expansion. Clamping is not. And if you did a total clamp for 4 hours you would end up with an amputated gangrened dick.

This is a very interesting thread. I never achieved significant girth gains until I induced priapism sessions of 4-6 hours. I realized that a constant internal pressure plus assistance clamping and/or light pumping while under priapism was the most effective way to expand the tissues. So efficient that the next day produces a very nice soreness similar to a skeletal muscle that has been properly trained.

The idea of Hypoxia is very interesting too and real. There is indeed scientific research and treatment to recover damaged heart tissue after a heart attack. Scientists discovered this process analyzing the fact that a baby in the womb can regrow heart tissue but a born human cannot. They discovered the absence of oxygen was the cause of this process, and developed a treatment on controlled hypoxia on a patient to unleash that self repair mechanism of the heart. So doing the same inside the dick by clamping makes total sense. Perhaps a total hypoxia clamp and injecting growth factors like a priapus shot would be an interesting concept.


Period 1: 06/08/2020 BPFSL: 22cm (8.66") BPEL: 22cm (8.66") EG: 15.8cm (6.25") => 09/07/2020 BPFSL: 23.9cm (9.40")

Period 2: 05/01/2021 BPFSL: 24cm (9.44") BPEL: 22cm (8.66") EG: 15.8cm (6.25") => 07/24/2021 BPFSL: 25.4cm (10.00") BPEL: 23.5cm (9.25")

Goal: 1 Foot x 7.5 Inches (30.48cm x 19.05cm) NBPEL

Originally Posted by igigi
Well the single most important difference is that a priapism is a constant expansion. Clamping is not. And if you did a total clamp for 4 hours you would end up with an amputated gangrened dick.

This is a very interesting thread. I never achieved significant girth gains until I induced priapism sessions of 4-6 hours. I realized that a constant internal pressure plus assistance clamping and/or light pumping while under priapism was the most effective way to expand the tissues. So efficient that the next day produces a very nice soreness similar to a skeletal muscle that has been properly trained.

The idea of Hypoxia is very interesting too and real. There is indeed scientific research and treatment to recover damaged heart tissue after a heart attack. Scientists discovered this process analyzing the fact that a baby in the womb can regrow heart tissue but a born human cannot. They discovered the absence of oxygen was the cause of this process, and developed a treatment on controlled hypoxia on a patient to unleash that self repair mechanism of the heart. So doing the same inside the dick by clamping makes total sense. Perhaps a total hypoxia clamp and injecting growth factors like a priapus shot would be an interesting concept.

Igigi, you would probably be more familiar with this. I’m wondering if Kyrpas girth gains from ultrasound had something to do with his over the leg method where maybe the flattening of the tunica on the leg caused some mild expansion to take place along the width.


11/14/2015 6 x5 1/8 -> 4/25/16-6 3/8 x5.5

Restart 3/24 @ 7.25BPEL / 6.5nbpel/ 5 3/8 meg

7/31/24 @ 8/ 7.25nbpel/ 5.375meg ~ lost 1/8 this month :(

Originally Posted by RebelRebel
Igigi, you would probably be more familiar with this. I’m wondering if Kyrpas girth gains from ultrasound had something to do with his over the leg method where maybe the flattening of the tunica on the leg caused some mild expansion to take place along the width.

Thats a good question. I didn’t really pay attention to Kyrpa’s girth gains, as I have been so focused on length all these last few years. I remember Kyrpa doing some experiments with US and erection for girth but I dont have a lot of knowledge about it.

We definitely need to come up with a girth routine as revolutionary as US for length.


Period 1: 06/08/2020 BPFSL: 22cm (8.66") BPEL: 22cm (8.66") EG: 15.8cm (6.25") => 09/07/2020 BPFSL: 23.9cm (9.40")

Period 2: 05/01/2021 BPFSL: 24cm (9.44") BPEL: 22cm (8.66") EG: 15.8cm (6.25") => 07/24/2021 BPFSL: 25.4cm (10.00") BPEL: 23.5cm (9.25")

Goal: 1 Foot x 7.5 Inches (30.48cm x 19.05cm) NBPEL

New method for gaining length + girth |

Originally Posted by igigi
Thats a good question. I didn’t really pay attention to Kyrpa’s girth gains, as I have been so focused on length all these last few years. I remember Kyrpa doing some experiments with US and erection for girth but I dont have a lot of knowledge about it.

We definitely need to come up with a girth routine as revolutionary as US for length.


Igigi, nice to see youre back and active. Id hope it stays that way. Ive felt like I was the only science based topic starter on the forum for a while.

Im sure youve heard of phalback, its basically a vibrating pump thats just slightly larger than your erect circumference. The company creates custom sized vacuum cylinders and sends you the machine to use for 90 days, with the guarantee that you will gain atleast 1 inch in length. People on reddit have been creating their own DIY vibrating pump. The owner of the product has sent out many machines for people to use and review, and all of them have gained. The owner is also very involved in helping the community create a DIY machine, so he has released all

It interesting because vibration is not something that


No penis is different. What works for one, will work for another.

Originally Posted by igigi
Thats a good question. I didn’t really pay attention to Kyrpa’s girth gains, as I have been so focused on length all these last few years. I remember Kyrpa doing some experiments with US and erection for girth but I dont have a lot of knowledge about it.

We definitely need to come up with a girth routine as revolutionary as US for length.


I didnt get to finish my post and my device failed, so ill post the whole thing again.

Igigi, nice to see youre back and active. Id hope it stays that way. Ive felt like I was the only science based topic starter on the forum for a while.

Ultrasound hanging hasnt been fruitful. And have given up with it for now, and am focusing on pumping. I will be starting again to see how things go.

Im sure youve heard of phalback, its basically a vibrating pump thats just slightly larger than your erect circumference. It pumps the penis so that enlargement is restricted by the cylinder, this then allows the inner tunica to expand rather than the skin. The company creates custom sized vacuum cylinders and sends you the machine to use for 90 days, with the guarantee that you will gain atleast 1 inch in length (he also says almost everyone has had an easier time with gaining girth, sometimes they grow too thick and is the reason why people stop use of the device). People on reddit have been creating their own DIY vibrating pump. The owner of the product has sent out many machines for users on reddit to use and review, and all of them have gained so far. The owner is also very involved in helping the community create a DIY machine, so he has released all the patents and is incredibly transparent with business practices.

It interesting because vibration is not something that people have explored. The only person ive heard speak about vibration was janus bifrons who was banned years ago on this forum due to people finding his methods "idiotic".

Id love to hear more discussion on how phalback works in here. Unfortunately the reddit community is becoming a more high quality/science based forum for PE. It never used to be that way. I actively stayed off reddit due to it being so behind. But now that the great contributors of this website are not here anymore. Its falling hard and fast.


No penis is different. What works for one, will work for another.

Originally Posted by NewYellowBanana
I didnt get to finish my post and my device failed, so ill post the whole thing again.

Igigi, nice to see you’re back and active. Id hope it stays that way. I’ve felt like I was the only science based topic starter on the forum for a while.

Ultrasound hanging hasnt been fruitful. And have given up with it for now, and am focusing on pumping. I will be starting again to see how things go.

I’m sure you’ve heard of phalback, its basically a vibrating pump thats just slightly larger than your erect circumference. It pumps the penis so that enlargement is restricted by the cylinder, this then allows the inner tunica to expand rather than the skin. The company creates custom sized vacuum cylinders and sends you the machine to use for 90 days, with the guarantee that you will gain atleast 1 inch in length (he also says almost everyone has had an easier time with gaining girth, sometimes they grow too thick and is the reason why people stop use of the device). People on reddit have been creating their own DIY vibrating pump. The owner of the product has sent out many machines for users on reddit to use and review, and all of them have gained so far. The owner is also very involved in helping the community create a DIY machine, so he has released all the patents and is incredibly transparent with business practices.

It interesting because vibration is not something that people have explored. The only person I’ve heard speak about vibration was janus bifrons who was banned years ago on this forum due to people finding his methods "idiotic".

Id love to hear more discussion on how phalback works in here. Unfortunately the reddit community is becoming a more high quality/science based forum for PE. It never used to be that way. I actively stayed off reddit due to it being so behind. But now that the great contributors of this website are not here anymore. Its falling hard and fast.

It seems to me that vibration mostly serves to facilitate inflammatory processes which may or may not be good. Heat acts to release matrix metalloproteinases and inhibit TGF beta which I think combined with mechanical stress and the natural increase in chaos/ entropy which follows high energy (heat), cells and their chemicals are encouraged to travel further. In a controlled scenario like what many here have figured out about the ultrasound protocol (which already uses vibration as its heating source) I think it offers many benefits maybe even helping to breakdown collagen with its vibrations. But at the scale of a vibrating pump I think it serves little practical purpose. It’s like getting a clump of protein powder stuck in your bottle after vigorous shaking without a divider or helix ball versus nano emulsifying drugs into oils to make them more bio available. One gets stuck, the other won’t. I think this is important because you really don’t want things getting stuck on the tunica of your penis. This is the pathology for peyronies via collagen deposition. And I’m concerned that because pumps cause edema and therefore interstitial pressure on the tunica that they have higher risk for injury by excessive inflammation. The topology of the ecm locally acts differently than that of the whole organ so any area of stagnant fluid or excess pressure is an issue.


11/14/2015 6 x5 1/8 -> 4/25/16-6 3/8 x5.5

Restart 3/24 @ 7.25BPEL / 6.5nbpel/ 5 3/8 meg

7/31/24 @ 8/ 7.25nbpel/ 5.375meg ~ lost 1/8 this month :(

I bought a DYI motor it goes to 3800 rpms.

What amount of rpms/HZ do i turn the dial to?

Originally Posted by RebelRebel
It seems to me that vibration mostly serves to facilitate inflammatory processes which may or may not be good. Heat acts to release matrix metalloproteinases and inhibit TGF beta which I think combined with mechanical stress and the natural increase in chaos/ entropy which follows high energy (heat), cells and their chemicals are encouraged to travel further. In a controlled scenario like what many here have figured out about the ultrasound protocol (which already uses vibration as its heating source) I think it offers many benefits maybe even helping to breakdown collagen with its vibrations. But at the scale of a vibrating pump I think it serves little practical purpose. It’s like getting a clump of protein powder stuck in your bottle after vigorous shaking without a divider or helix ball versus nano emulsifying drugs into oils to make them more bio available. One gets stuck, the other won’t. I think this is important because you really don’t want things getting stuck on the tunica of your penis. This is the pathology for peyronies via collagen deposition. And I’m concerned that because pumps cause edema and therefore interstitial pressure on the tunica that they have higher risk for injury by excessive inflammation. The topology of the ecm locally acts differently than that of the whole organ so any area of stagnant fluid or excess pressure is an issue.


I’m not quite familiar with the mechanisms of these sorts of things, it is all quite experimental for now. But the Phalback is patented and has a guaranteed 1 inch gain within 90 days (not including girth gains, which can be more than 1 inch).

The results are in and yes it seems to have worked for everyone who has tried it. So obviously it’s got some type of advantage over ultrasound.

For me personally ultrasound hasn’t been working. And I’ve tried many different fixes with no success. I’m ready to move onto the next thing. And a product that’s patented with a guarantee with 1 inch sounds great to me. Especially when the owner of the business is encouraging and helping the community build their own DIY machine - I think it needs more looking into.


No penis is different. What works for one, will work for another.

Originally Posted by NewYellowBanana
I’m not quite familiar with the mechanisms of these sorts of things, it is all quite experimental for now. But the Phalback is patented and has a guaranteed 1 inch gain within 90 days (not including girth gains, which can be more than 1 inch).

The results are in and yes it seems to have worked for everyone who has tried it. So obviously it’s got some type of advantage over ultrasound.

For me personally ultrasound hasn’t been working. And I’ve tried many different fixes with no success. I’m ready to move onto the next thing. And a product that’s patented with a guarantee with 1 inch sounds great to me. Especially when the owner of the business is encouraging and helping the community build their own DIY machine - I think it needs more looking into.

What’s your ultrasound routine and what machine are you using?


11/14/2015 6 x5 1/8 -> 4/25/16-6 3/8 x5.5

Restart 3/24 @ 7.25BPEL / 6.5nbpel/ 5 3/8 meg

7/31/24 @ 8/ 7.25nbpel/ 5.375meg ~ lost 1/8 this month :(

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