Assertion: medicine ball | /r/ObjectUse | used as med ball
Facets:
value: to augment the classic situp
type: PURPOSE
Source sentences:
text: Medicine balls can be used as a med ball or infrequent slam ball.
text: Medicine balls use a medicine ball to augment the classic situp in one of two ways: add resistance to the upper body by hugging the ball or anchor the feet by squeezing the ball between your ankles.