Assertion: coccyx's joint | /r/CapableOf | permit of movement
Facets:
value: normally
type: DEGREE
Source sentences:
text: Every joint which normally permits of movement, especially when, as in the case of the sacro-coccygeal joint, it possesses an interarticular cartilage and a rudimentary or actual synovial membrane, can be the seat of minor as well as major displacements.