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Plastic vs. Elastic Deformation: Time and Technique

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Here’s another outstanding read:

Question for Medical Professionals…. Question for Medical Professionals….

In the second post, Sunshinekid, a physical therapist, shares her perspective and affirms much of what has been cover here.

“I’ll start. Tension/time is the best method of stretching, that is why hanging works so well. Low load over a long period of time will result in better lengthening. As far as the amount of weight some of the hangers achieve, the body does adapt to the weight and soon 6 pounds isn’t enough, so they increase the weight to 8 pounds and so forth to achieve the same results that 6 pounds use to give, and when 8 pounds doesn’t work, well you get the idea.

Forceful stretching, IMHO is NOT a good idea simply because of the injury risks involved. There is this little thing called the GTO (Golgi (sp) Tendon Organ) that will automatically kick in if the tissue is stretched too hard which would inhibit gains, it is a system used to protect the tissues from injury. Now, I’m not for certain that the penis has one of those, but it would limit gains if activated. In my field of medicine, we never force a stretch (I do Physical Therapy for a living, I’m a PTA) We do however hold stretches for upwards of 120 seconds (2 minutes). Now I do realize that stretching a hamstring is much different than stretching a penis, however the same principles apply.

What I suggest Wad, is this, use heat to loosen the tissues before stretching, then use moderate force to stretch allowing those tissues to elongate. You may have to hold that stretch for upwards of 5 minutes to achieve the desired effects. That is why many guys go to hanging. I wish to put a disclaimer in here, I was the most anti hanging person you would have ever wanted to meet, until one night Bib was in the chat room discussing hanging. He was able to convince me that it is a safe method, as long as you use your brains, to increase the length. And the reason for that is the t/t aspect of hanging; maintaining that stretch for a longer period of time. I would also suggest using heat during the stretching process to keep those tissues loose. I have no real opinion on the use of cold directly after stretching to keep the elongated state.

Wad, I hope that helps, I hope I answered the question. Personally, I would feel that vigorous/forceful stretching would inhibit gains.”


Started: 2/03, Finished: 5/06, Total Gains: 1.375” BPEL 1.5” EG, Details: Progress after a year or longer off?

Only those who attempt the absurd will achieve the impossible—M. C. Escher

common variables investigated in biomechanical analysis

Common variables investigated in biomechanical analysis
=============================================
Biomechanics is the study of the effects and control of forces that act on or are produced by living tissue. Its major classifications are (1) sports biomechanics; (2) clinical biomechanics (including cell, tissue, dental, cardiovascular, respiratory, orthopedic, rehabilitative, spinal, gait biomechanics); and (3) occupational biomechanics. The most common variables investigated in biomechanical analysis are

Axial Force - force components acting normal to the tissue surface of interest.
Shear Force - force components acting tangent to the tissue surface of interest.
Moment - the tendency of a force to cause rotation about some axis, and is equal to the magnitude of the force multiplied by the perpendicular distance from the center of rotation.
Stress - force per unit area upon a cross section.
Strain - the ratio between the change in the dimensions of living tissue under longitudinal loading (tension or compression) and its original size.
Creep - increasing strain due to constant loading over a long period.
Fatigue - mechanical failure due to repetitive (cyclic) loading. The lower the loading force, the more cycles that can be applied before failure.
Elasticity - property of a tissue to return immediately to its original dimensions following loading.
Plasticity - property of a tissue to retain its change in size and shape when the load causing the change is removed.
Viscosity- property of a tissue not to deform instantaneously from an applied load.
Brittleness – a property of a tissue that has no or limited plastic deformation.
Ductility – a property of a tissues that exhibits significant plastic deformation.
Biomechanical models are frequently used to (1) summarize a body of information; (2) divide a complex process into unitary functions; (3) divide a complex physiological process into identifiable steps; (4) provide insight into structure-function relationships; (5) summarize one system in order to understand the implications for another system with which it interacts.


Started: 2/03, Finished: 5/06, Total Gains: 1.375” BPEL 1.5” EG, Details: Progress after a year or longer off?

Only those who attempt the absurd will achieve the impossible—M. C. Escher

Sorry about that chief.

Here we go:
Myofascial Release. Warren Hammer, MS, DC, DABCO
http://www.chiroweb.com/archives/13/02/25.html

Types of Stretch (Deformation of the Connective Tissue)
http://hometown.aol.com/kenalanfitness/

When stretching, connective tissue…
http://www.abcbodybuilding.com/adam.php

Principles of Thermal Energy
http://www.ma.psu.edu/~pt/150pesg3.htm

Common variables investigated in biomechanical analysis
http://www.ie.ttu.edu/dept_info/Erg…al_modeling.htm


Started: 2/03, Finished: 5/06, Total Gains: 1.375” BPEL 1.5” EG, Details: Progress after a year or longer off?

Only those who attempt the absurd will achieve the impossible—M. C. Escher

Bump.


originally: 6.5" BPEL x 5.0" EG (ms) x 5.5" EG (glans); currently: 9.125" BPEL x 6.625" EG (ms) x 7.00" EG (glans)

Hidden details: Finding xeno: a penis tale; Some photos: Tiger

Tell me, o monks; what cannot be achieved through efforts. - Siddharta Gautama

Originally Posted by MX
Forceful stretching, IMHO is NOT a good idea simply because of the injury risks involved. There is this little thing called the GTO (Golgi (sp) Tendon Organ) that will automatically kick in if the tissue is stretched too hard which would inhibit gains, it is a system used to protect the tissues from injury. Now, I’m not for certain that the penis has one of those, but it would limit gains if activated. In my field of medicine, we never force a stretch (I do Physical Therapy for a living, I’m a PTA) We do however hold stretches for upwards of 120 seconds (2 minutes). Now I do realize that stretching a hamstring is much different than stretching a penis, however the same principles apply.

Thanks!
This GTO, reaction. Is it a only when required thing or do the effects last much longer?

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