Translations:Kreuz- und Steißbein/15/en

The sacrum (lat. os sacrum) together with the coccyx (lat. os coccygis) form the lowest part of the spine. In an adult person, the sacrum is the immobile part of the spine. The sacrum is joined to the coccyx. This bone combination has a triangular shape.

• Exercise tasks

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Following structures:
• Lumbar spine
• Pelvic girdle

Superordinate structures:
• Spine
• Bones trunk
• trunk
• Body regions

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Anatomy of the sacrum

View and anatomy of the sacrum and the coccyx