Assertion: acromion's undersurface | /r/HasProperty | type
Facets:
Source sentences:
text: In the majority of people the undersurface of the acromion is flat (type 1), but for some people the undersurface can be curved (type 2), or hooked (type 3), with type 2 and 3 acromions reducing the space available for the tendons and the bursa (see Figure 2 below).