Any immediate "gains" are usually just temporary swelling, inflammation, or increased blood flow, which fade quickly and do not represent actual tissue growth.
Medical experts and urologists do not recommend jelqing. There are no reliable clinical studies showing safe, permanent results. jelq before and after
Jelqing: Techniques, Benefits, Side Effects, and More - WebMD Any immediate "gains" are usually just temporary swelling,
Which could cover:
Jelqing is a manual stretching technique that involves repeatedly massaging the penis in a semi-erect state. The goal is to push blood into the penile tissues (the corpora cavernosa) to create "micro-tears" that, in theory, heal to make the organ larger—similar to how weightlifting builds muscle. The Theory vs. Biological Reality or increased blood flow