If you are into disciplines like yoga, you are likely more familiar with this hidden musculature than most and may have even felt the benefits of toning the base of the body through the "Root Lock".
In addition to the benefits of toning up the root, things can sometimes go the other way, these muscles can get too tight, and this can cause a number of challenges. Like any muscle in the body, you can get trigger points in the pelvic floor that can cause local or referred pain.
Similarly, the resting tone of these muscles can become excessive and even cause conditions like vaginissmus and other challenging issues in the genitals. On the subtle level, according to Tibetan "Inner Fire" practice, excessive engagement of the root lock can cause the fire to blaze up to strongly or roughly and cause mania or anxiety.
While this last symptom explanation is based on esoteric tradition, it matches what bodyworkers have found for many decades, that patterns of tension in the physical body influence our emotions very strongly.
My own Daoist tradition includes very intense regimes of practice for these muscles including the now-famous "Jade Egg" exercises. It is felt that these muscles are part of a system of energetic hydraulics by which one can pump spiritual forces up to the higher centers of the subtle body, and so a great deal of attention is sometimes placed on this type of exercise.
If you've engaged in any of the advanced yogas like performing the Mula Bandha ("root lock") or even more specialized training like the Jade Egg practice from Daoist tradition, it's time for you to enjoy learning the Yin side of the picture. If you've experienced any of the painful or challenging symptoms then you especially should make it a point to try the above techniques and see if they bring you relief!
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