function GM:SetupMove(pl, move)
   if (ihls.playerIsProneForward(pl) 
      || ihls.playerIsProneBack(pl) 
      || ihls.playerIsProneRecovering(pl)) then
      if (pl:KeyDown(IN_JUMP)
         || pl:KeyDown(IN_MOVELEFT)) then
         Msg("Attempted movement while prone\n")
         move:SetVelocity(Vector(0, 0, 0))
         move:SetMoveAngles(Vector(0, 0, 0))
         move:SetSideSpeed(0)
         move:SetUpSpeed(0)
         return move
      end
   end
end