Assertion: sacrum's surface | /r/CapableOf | develop distinct angular orientations
Facets:
Source sentences:
text: The joint's surfaces are flat or planar in early life but as we start walking, the sacroiliac joint surfaces develop distinct angular orientations and lose their planar or flat topography.
text: The joint's surfaces are flat or planar in early life but as we start walking, the sacroiliac joint surfaces develop distinct angular orientations and lose their planar or flat topography.