Finally, remember from chapter 3 that each pelvic bone (one on ea h side) is composed of the fused ilium, ischium, and pubis, with the ilia on t p at the waistline, the pubic components in front above the genitals, and 1 ,e ischia with their tuberosities below and behind (figs. 3.2-4). When the ¡a are pulled toward the midline during nutation, the ischia and isc! al tuberosities have to swing laterally, and when the ilia are spread apart >y counternutation, the ischial tuberosities rock back toward one another Ve should note that even though nutation and counternutation were name in recognition of the movements of the sacrum alone (nutation me 11s nodding forward, in this case nodding forward of the promontory of he sacrum), the accompanying movements of the pelvic bones are eqii lly important (fig. 6.2a).
The way these movements are orchestrated during childbirth fun ier clarifies their function. Again, according to Kapandji, during the rly stages of labor counternutation draws the promontory of the sacrum tr he rear and spreads the ilia, making more space for the baby's head it approaches the birth canal. Then, as the head enters the vagina, nut. ion draws the coccyx to the rear and spreads the ischia, opening the base ( 'he body and easing delivery.
nutation and counternutation in hatha yoga
Four fundamental movements illustrate how the concepts of nut ion and counternutation apply to hatha yoga. First, to create maxi ura nutation, stand with the thighs abducted (feet perhaps 3 feet apar ind come into a forward bend purely from the hips. To avoid forward bei iing in the spine, most people should reach out to a desktop or wall (fi: S-7.
except with the thighs abducted). Get settled into a comfortable pe ion in which you can monitor your pelvis and vertebral column, and th< > try to thrust your coccyx even more posteriorly and the promontory e the sacrum even more anteriorly. If your sacroiliac joints permit, you wi feel some peculiar shifts within the pelvis, shifts which flexible stu ants report as "spreading the sitting bones" or "feeling the thighs ome apart." Such descriptions are not metaphors; these movements at ially happen during the course of nutation. You may be able to feel th n in yourself, and you can certainly appraise them in a highly flexible p ner, either by placing your thumbs against the insides of their i hiai tuberosities from behind, or by lying down on the floor and placinj (>ur hands against the inside of their upper thighs. You may not be able the movements of your partner's sacrum, but the movements < the ischial tuberosities and of the femurs are unforgettable. Easing up e the J
posture will produce counternutation and pull the ischia and 'P^ thighs back together.
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A complete guide on Eastern practices of breathing, mental, psychic and spiritual development. The book teaches that Yoga is divided into several branches, ranging from that which teaches the control of the body, to that which teaches the attainment of the highest spiritual development.