Does medical science support the use of extenders?

laboratoryOne of the most credible & established advantages of the penis extenders is the predictable gains you can make. Tissue lengthening via traction is a scientific fact. And it is medically tested that growth will occur with the use of these devices. It is up to the user to wear it for the necessary hours to get the desired length. In other words, its benefits have been well-documented and researched in various clinical journals and published studies.

Following is a brief review of some of the major clinical or scientific studies that strongly support the use of penis extenders in order to increase size of the penis, especially its length.

Italian study

Published in the British Journal of Urology (Mar. 10, 2009), this study provides one of the most authentic, proven and established evidence and proof of the effectiveness of penis extenders. This specific study was done by the researchers from San Giovanni Battista Hospital at the University of Turin, Italy.

16 highly motivated patients, with an average age of 47, completed this 12-month study and were asked to wear the penis extender device for between four and six hours a day for six months. The men’s average flaccid penile length was 7.15cm (2.82 inches) and the average stretched penile length was 9.62cm (3.79 inches) at baseline.

Follow ups were performed in months one, three, six and 12. At the end of the study, results were simply astonishing.

It was found that after the 12 months of study:

  • The men’s average flaccid penile length of 7.15cm (2.82 inches) had increased by 32 per cent to 9.45cm (3.72 inches)

  • The men’s average stretched penile length of 9.62cm (3.79 inches) at baseline had increased by 18 per cent to 11.32 cm (4.45 inches)

The study also found that men who wore a penile extender every day for six months were able to increase the flaccid length of their penis by up to 32% and their erectile function by up to 36%.

High satisfaction levels were reported in all categories. The researchers concluded their findings by noting that “penile extenders should be regarded as a minimally invasive and effective treatment option to elongate the penile shaft in patients seeking treatment for a short penis”. This study clearly showed that the penile extender device produces an effective and durable lengthening of the penis, both in the flaccid and stretched state.

Scandinavian study

Another study was performed at the Scandinavian Clinic of Plastic Surgery, Copenhagen to evaluate penis stretching via stretching using a professional penis extender device. The study was presented at the
1st International Interdisciplinary Symposium on
Genitourinary Reconstructive Surgery on April 6th, 7th and 8th 1998 – Barcelona, Spain. The results were incredible gains for all the subjects.

The study was done on 18 patients ranging from 23-47 years who wore the extender device for 12 hours daily, 7 days a week for up to a total duration of 8 to 24 weeks.

At the end of the study, the men averaged almost two inches in length increase over the course of four months. Researchers also found that the average lengthening of penis per week was 1.9 mm.

Canadian study

This promising study, conducted by the Canadian Journal of Phalloplasty, found that men who used traction-based devices achieved gains ranging between 32% and 36%.

The most noticeable feature of this study was that while reporting about a 32% increase in length of the penis (in both erect and flaccid length), a 36% increase in penis width (girth / thickness) was also found.

Patients in the clinical study were required to use the device for 6 to 8 hours per day, for a period of 5 months. It was also found that the results did not disappear once usage was stopped. Also, erectile strength is also increased with usage and treatment. Participants reported an average increase of 36% in erectile strength. (Measured via blood circulation and hardness)

Other studies

Another small study published in the Journal of Sexual Medicine in 2008 found that a penile extender reduced penile curvature and added a little length to the penis.

In the light of the above-mentioned clinical studies and in this era of evidence-based medicine, it can be confidently concluded that that penile extenders or traction devices can effectively be used as an alternative means to penis surgery or augmentation.


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