Another rest pause variation, specifically geared towards the big lifts, from Christian Thibadeau.
Scheme #1: 5-4-3-2-1 Rest/Pause
I just recently began using this specific method and the gains are quite impressive! I've always been a fan of rest/pause training, especially when it comes to building muscle mass in the advanced trainee (who needs more intense stimulation). It's one of the only ways to combine very heavy loading with moderately high volume without having to jack up the sets significantly.
With this specific rest/pause technique, you end up performing 15 reps with a load that you could normally perform for five or six reps. To do so you'll need to take several pauses during the set to allow for partial metabolic and neural recovery to occur so that you can get a few more reps. A set will look like this:
Perform five reps. The weight should be challenging but not lead to failure. If you reach failure on the first leg of the set, you won't have time for sufficient metabolic and neural recovery to occur before starting the second leg of the set. After you've completed the five reps, rest for 10 to 12 seconds.
After the short 10-12 seconds of rest, unrack the same weight again and complete four more repetitions, then take another 10-12 seconds of rest.
When the 10-12 second break is over, grab the weight and lift the load for three additional reps. As with the completion of the preceding legs, rest for 10-12 seconds once you've completed the required reps.
You're now into the next-to-last leg of the set. During this one you have to lift the weight for only two repetitions (but they'll feel like 30 reps!). Once you're done, take one last 10-12 second break before attempting the last leg of the set.
Okay, you're almost there! Once the 10-12 seconds have elapsed you only have to lift the weight one more time to complete the set. So that gives you a total of 15 reps with a load you could've lifted probably six, maybe seven times during a normal set.
I have no doubt in my mind that this is one of the most powerful ways to train if you want to build a lot of muscle mass, density, and strength. However, understand that this is a very taxing method, both on the CNS, muscular structures, and metabolic processes. You really can't do a lot of such sets on an exercise.
Ideally you shouldn't do more than three 5-4-3-2-1 sets for an exercise, and most people will be better served doing only two (and even just one set!). If you can do more than three it's because you're not putting a proper effort into your sets.
Q & A: 5-4-3-2-1 Method
Q: If one early leg of the set was taken to failure or was particularly grueling, what do I do?
A: The objective of the 5-4-3-2-1 method is to complete all 15 reps of the set. If you reach muscle failure, it should be on that final rep.
However, on some sets it might occur earlier, normally in the second (four reps) leg of the set. If that happens you should extend the length of the interval prior to the next leg to 15 or even 20 seconds to allow a little extra time for sufficient recovery to take place so that you can complete the upcoming legs.
Q: I'm a beginner and I really want to pile on muscle fast!Would this method be a good choice for me?
A: Hell no! This method should be limited to advanced trainees and some strong intermediate ones. I know how the beginner's mind functions: adding muscle is an emotional issue, especially in the newbie. You want to grow a ton of muscle now. So when you read about a method that's as effective as this one, it's normal to be seduced into trying it. The thing is that for a beginner this method is:
1. Not necessary: More advanced trainees require a more pronounced/intense training stimulus to force muscle growth to happen. Beginners are much more responsive because they're starting from a much lower point. The further away you are from your maximum potential, the easier progress should be. It's smarter to keep this method in the toolbox for when it's really needed.
2. Not optimal: The average beginner doesn't have the capacity to recruit the high-threshold motor units as effectively as advanced trainees. This is because their nervous system isn't "good" at activating these powerful fibers yet. This method targets these HTMUs extensively; if you're not good at recruiting them, then the method won't be super effective for you.
3. More hazardous: Beginners who might not have perfect control of their lifting technique yet, or young individuals who don't yet have a fully developed structure, shouldn't use maximal intensity methods since the risk for injury is higher.