Assertion: rib cage's rib | /r/HasProperty | mobile
Facets:
value: fully
type: DEGREE
Source sentences:
text: When the central tendon is stabilized and the lower ribs are mobile, a contraction of the diaphragm elevates the ribs, which works in conjunction with other muscles to expand the thoracic indent upward.
text: Each rib must be fully mobile and springy so that the lung tissue under doesn't fail to fill ~ or worse, start to collapse.