Assertion: exercise ball | /r/ObjectUse | used in exercise routines
Facets:
value: traditionally
type: OTHER
Source sentences:
text: An exercise ball, also known as a stability ball, is traditionally used in exercise routines as means to improve balance, allow exercisers to do exercises they would not otherwise be able to do (i.e. using the ball against a wall to squat) and expand range of motion (i.e. crunches).