There is a broad swath between pushups every day (technically just 2 push-ups) and 3x12 or 2xFailure. Most notably, there is 1x50-99% of failure which would be

There is a broad swath between pushups every day (technically just 2 push-ups) and 3x12 or 2xFailure. Most notably, there is 1x50-99% of failure which would be a great way to advance from wall pushups.