Coccydynia and Pelvic Floor Spasm Check out The Coccyx - The Seat of the Soul by Erik Dalton at blog.erikdalton.com. Pain while sitting is a common client complaint, but massage therapists often disregard the coccyx as a possible pain generator. This is due to a lack of biomechanical knowledge about the coccyx, as well as concerns about how to safely assess and treat this structure. When seated, the coccyx and bilateral ischial tuberosities form an elegant weight-bearing tripod. Although the coc