Are you trying to teach your South Russian Ovcharka to sit? The skill of sitting up is regularly taught to very small dogs, though much larger pooches are another story. It is tricky for them to sustain their equilibrium.
Teach Your South Russian Ovcharka to Sit: Prep
Sitting up is one of the 1st techniques that should be taught to a South Russian Ovcharka and lays the groundwork for several other tricks.