A riposte. Counteracting being a very general term, one could say that there are many counteracting movements in fencing. Ripostes, parry ripostes, counterattacks, attacks in preparation, and point in lines are all forms of counteracting an opponent's movement or attack.

Counteracting or preventing putrefaction, or a putrescent tendency in the system; antiputrefactive.

Counteracting or preventing putrefaction, or a putrescent tendency in the system; antiputrefactive.

It works by counteracting the effects of gravity, which over time pulls the body out of alignment.

Because it's counteracting gravity - which is a downward force.