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Rethinking PE-Theory

Originally Posted by ticktickticker
Penismith - what do you mean with penile skeletal muscle. Except the bc and pc muscles I don’t see any (smooth muscle does not equal skeletal muscle - agree?

Yes, smooth muscle and skeletal (striated) muscle are different. The penile tissues are interlaced with skeletal muscle.

http://www.andr ologyjournal.or … t/full/25/3/426
penismith - The Penis (smooth) Muscle Theory

I haven’t given up on the smooth muscle idea. The CCs are composed of sinusoids, which inflate with blood when the smooth muscle relaxes. If some mixture of biochemistry causes this muscle to relax more effectively (or increases blood pressure), a bigger erection will probably result.

Again, there’s some evidence that the tunica is overrated as a size limiting factor. Hollow out the CCs and you can stretch a penis much further even though the tunica is still intact (remember the armadillo penis? They did that experiment there).


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Oops. I’m wrong. From page 263 of the armadillo paper:

Quote

Interestingly, there is no statistically significant difference in erect length between unaltered corpora and corpora that have had their trabeculae removed (t=-0.25; P=0.81), implying that the presence of trabeculae does not affect the extension of the longitudinally oriented collagen fibers in the axial orthogonal array. Increases in unaltered corpus cavernosum length during erection appear to reorient the angle of the trabeculae relative to its long axis, as the longitudinal distance between the dorsal and ventral attachments of the trabeculae increases during erection (Table 2).

EDIT: OK, to be clear, what I was wrong about was my recollection of the armadillo article. Humans might differ from armadillos in this respect, however. We still have to explain why BPFSL can be so different from BPEL in some guys. Slack’s BPEL is actually longer than his BPFSL. Figure that one out :rolleyes: .


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Last edited by ModestoMan : 11-18-2006 at .

The quote above may help to explain why girth might be greater with an 80% erection—the trabeculae apparently reorient along the longitudinal axis as erection strengthens.

In other words, the structure may get thinner as it gets longer, at least beyond a certain point, due to the way the penis’ internal compartments reorient.


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Penismith and Avocet, you both say your morning (nocturnal) erections are fuller. More girth, correct? How does your head size compare to daytime erections?

The reason I ask is that my CC’s are rock hard, yet my CS and head are mostly deflated in morning erections. Perhaps whatever causes these erections affects CC and CS blood flow to varying extents. As you know, the CS contributes substantially to overall girth. Maybe you’re getting a response opposite of mine: a fuller CS than “normal.”

Originally Posted by ModestoMan
This conclusion makes a lot of sense, for the reasons you stated, but I’m not positive that it is correct. The primary evidence for doubting it is that many guys have reported BPFSL much longer than their BPEL. In some cases, the difference is as great as 2”.

Clearly, for these guys, their tunicas are able to stretch, but something else is binding up their erect length.

Regarding the BPFSL > BPEL thing. In a erection the internal pressure in the tunica is spread both lengthwise and girth wise, but when you do a flaccid stretch there is only lengthwise pressure. Imagine what would happen if the inner tunica layer of the CC’s would expand and put pressure on the sides of the outer layer of the tunica, this would force the outer layer to shorten a bit and expand in girth (a change in shape not in volume). I think that is one reason BPEL is smaller than BPFSL.


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Avocet - true that the parasympathetic part of the autonomous system is responsible for induction and maintaining our erections (while the sympathetic system triggers orgasm/ejaculation (- try to separate them and you will improve your sex live by miles).

However, the nocturnal erections, whether or not they are associated with an increased parasympathetic tone, I really don’t know. It’s also the time of dreams/fantasies which might also contribute.

Anyhow, the nervous system and the chemical mediators in our tissues are so complicated and almost impossible to successfully modulate (IN PARTICULAR THE MEDIATORS) that I don’t think we should give too much attention to this (yet interesting avenue. Para-and sympathetic tone an easily be modulated but it’s very important not to disturb their balance: too much paras. Tone - good wood, no orgasm. Good sympathetic tone: no good wood but good orgasm.

Continue to discuss that herein if you like but I think it will only be interesting on a theoretical basis (but lead nowhere for our esteemed fellow pe-ers.


Later - ttt

Penismith - you wrote:

- Sunday

Which of your relaxants did you try?

Which works best?

I would be willing to start an experiment, alone or with a few fellow pe-ers.

Btw - skeletal muscle is subject to voluntary control (such as in reverse kegels).

So we might add that to our experiment. Let’s try to work it out.

Impatiently awaiting your (and others’) input.


Later - ttt

Penismith -

Thanks for the links.

A bit much for right now, I printed the whole article and thread and will check it this weekend. I will post my thoughts a little later.


Later - ttt

Thanks modesto. I printed that stuff too. Lots of homework *s*. But what the hell is an armadillo?


Later - ttt

What the hell is an *s*? :)

An *s* is a smiley - short for ‘smile’.

Very much in use in chats and some forums.


Later - ttt

Originally Posted by Dicko6X5

Regarding the BPFSL > BPEL thing. In a erection the internal pressure in the tunica is spread both lengthwise and girth wise, but when you do a flaccid stretch there is only lengthwise pressure. Imagine what would happen if the inner tunica layer of the CC’s would expand and put pressure on the sides of the outer layer of the tunica, this would force the outer layer to shorten a bit and expand in girth (a change in shape not in volume). I think that is one reason BPEL is smaller than BPFSL.

THis makes sense for small differences, but not for guys whose BPEL is 2” shorter than their BPFSL, as at least one guy has reported. It also doesn’t explain how EL can be longer than FSL for other guys, such as Slack.


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