I don’t understand how a v- or inverted v-stretch can be applied without stress to the ligs. Seems like they would be involved predominately regardless of angle or fulcrum stress. Perhaps you could give me a clue to how those physics can apply to the tunica without ligament involvement. Ive always felt that the only means to tunica work is through clamping or perhaps a pump ( I question the value of a pump on inner structure influence )
I agree that when you put fulcrum stresses on the tunica you will also affect the suspensory ligament as well. I was commenting on your statement that the ligaments are the rate limiting step. My belief that stretching the longitudinal fibers of the outer layer of the tunica is and has been successful to enhance length - in addition to the suspensory ligaments. The fiber density in the tunica is higher than in the suspensory ligament, therefore more stress is necessary to sucessfully. Some use lots of direct force (clamping), others use negative external forces (pumping) and still others use fulcrum or erect bending; or a combination.
What I was referring to was the relationship between the circumferential inner layer and the longitudinal outer layer of the tunica. I forget where I saw that mentioned the they formed a perceived lattice but wasn’t necessarily one that was bound together as you might suspect by the word lattice. I find it very interesting that they would be independent of each other though.
Making anatomy even more complex and slightly more confusing, I presented a study (Bitsch M, et al. The elasticity and the tensile strength of the tunica albuginea of the corpora cavernosa. Journal of Urology 143 (1990) 642 - 5.) in Girth theory: Pumping vs. clamping (post #357). I posted a picture from the study that looked at a hinging effect seen in the tunica (both layers) in cadaver penises. Elastic fibers appear to keep the tunica fiber bundles bent and shortened - the elastic fibers are stretched with erection as the tunica lengthens and becomes “girthy.”
So what are the resistances to enhancement? Is it suspensory ligaments, tunica fibers, tunica layers orientation, tunica layer numbers (maybe in some guys), smooth muscle, and, and, and, or? I’ll give you a smart ass answer (which I am noted for): Yes.
Yes I agree, that is the quest, to stretch without building structure. A fine line for sure. I’ve always maintained that the minimal amount of weight used in a routine is the best approach because it tends to stay under the bodies radar for mass repair processes which would be counter productive. So the by-word is not only “less is more” but more emphatically “don’t over train”.