How do you posture up on a full mount in ufc 3?

To posture up on full mount in UFC 3, first ensure you're in a stable full mount position. Then, use the right stick to push your fighter upwards, while simultaneously holding the L1 button to maintain control. This will help you create space for strikes while keeping your opponent from escaping. Timing is key, so be ready to react to their attempts to defend or buck you off.