Sacral Mechanics
Pelvic mechanics are framed around sacral nutation and counternutation. During inhalation, the sacrum should counternutate, the innominates rotate anteriorly, and the pelvic inlet widen to accommodate descending viscera. The pelvic floor m…
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Pelvic mechanics are framed around sacral nutation and counternutation. During inhalation, the sacrum should counternutate, the innominates rotate anteriorly, and the pelvic inlet widen to accommodate descending viscera. The pelvic floor model links posterior pelvic floor activity with inhalation and anterior pelvic floor activity with exhalation. An exhalation-oriented posture may involve anterior pelvic tilt with sacral nutation.