Assertion: backstroke's body | /r/HasProperty | submerged
Facets:
value: completely
type: DEGREE
Source sentences:
text: As soon as the swimmer starts to feel the momentum of the turn slowing down, they should start their arm action while the body is still submerged, to help bring their head to the pool’s surface.
text: After the body is completely submerged, the body is pushed off the wall with both legs.