Nutation (anatomy)

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In medicine and physiotherapy, nutation is a possible movement of the sacrum . The base of the sacrum shifts forwards and downwards, the tip backwards and slightly upwards. The entrance to the small basin is thereby made smaller and the exit enlarged. The iliac blades (ala ossis ilium) are brought closer to each other and the ischial tuberosities (tuber ischiadicum) are removed from each other.

The opposite direction is called the counter-nutation (contranutation).

The repeated execution of the two movements in a flowing sequence of movements is known in yoga and physiotherapy as a pelvic swing .

Individual evidence

  1. ^ IA Kapandji: Functional anatomy of the joints. Schematically and annotated drawings on human biomechanics . Georg Thieme, Stuttgart 2006, ISBN 978-3-13-142214-9 , chapter Influence of body positions on the connections of the pelvic belt , p. 62 ff .
  2. Back training in the office: the pelvic swing .; accessed on March 8, 2018