BFL incorporates Pyramids and lifting to Positive Failure, two other methods of lifting to create muscle growth, relatively safe methods, especially for beginners - and they work, obviously. The key to continued growth and strength over time is to continually stress the muscle and push it further. Just as your body will adapt to the same diet over time so will it adapt to lifting the same way over time.

Change is good. Changing exercises, changing the reps, changing the number of sets and the amount of rest between the sets, changing the methods used to shock the muscles into growth. When you think about all the variables that are available to you, you could go a year and never do the same routine twice.

So it's not a question of 'working better'; its more a question of 'keeping it working, period'

Nat