Assertion: trapezium's surface | /r/HasProperty | flat
Facets:
value: at a plane joint
type: LOCATION
value: of the same size
type: OTHER
Source sentences:
text: At a plane joint (gliding joint), the articulating surfaces of the bones are flat or slightly curved and of approximately the same size, which allows the bones to slide against each other (see Figure 3d).
text: The distal articular surface is quadrilateral, wide, and flat; thicker and broader transversely and extends much further palmarly than dorsally.
text: The lateral surface is flat and narrow, with a crescentic facet for articulation with the scaphoid.
text: The distal articular surface is quadrilateral, wide, and flat; thicker and broader transversely and extends much further palmarly than dorsally.
text: The distal articular surface is quadrilateral, wide, and flat; thicker and broader transversely and extends much further palmarly than dorsally.