Assertion: patella | /r/CapableOf | flex in human
Facets:
value: mostly
type: DEGREE
Source sentences:
text: While, in humans, the patella mostly flexes and extends relative to the femur as the knee is flexed and extended, it also translates and pitches (tilts) and rolls ( Aglietti & Menchetti, 1995 ; Fellows et al., 2005 ), leading to variable contact between the patella and femur that is reflected in the angled facets of the human patella ( Lovejoy, 2007 ).