Assertion: appendicular skeleton's bone | /r/CapableOf | form lever
Facets:
value: for muscular action
type: PURPOSE
value: typically
type: DEGREE
Source sentences:
text: The bones at the heel and elbow are extended to form levers that give origin to powerful extensor muscles of the foot and hand, thus contributing to a locomotory thrust against the ground.
text: The bones act as levers, while the muscles generate the forces responsible for moving the bones.
text: Long bones typically work as levers, and are the bones that make up the legs and arms.
text: Bones serve as levers for muscular action.