Progression is the key to muscle and strength building. I often tell lifters to use the following approach during each workout:
Push yourself on every set. Try to perform as many reps as possible without training to failure. When you can perform the recommended maximum number of reps for a set, add weight the next time in the gym.
Let me explain exactly what this means by providing an example. After this example, I want to show you just how powerful the addition of a single rep can be.
Written by Steve Shaw
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