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Cluster sets

Cluster sets are the intensity boost your workout
needs

Cluster sets

Cluster sets are a useful training tool for adding overall volume to your workout and breaking down big hurdles.
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There are several training variables to consider when looking to improve power, strength, and size. Possibly the biggest variable when it comes to meeting one or all of your goals is ongoing and progressive overload. This is the art of giving the body a calculated progressive stimulus, avoiding exhaustion.

It's a no-brainer, but bulking up at a certain intensity is one of the best ways to track improvement in the gym. One way to increase your total load in workouts is with sets/cluster workouts.

Here's what you need to know.

Cluster sets explained

Cluster sets are smaller sets built into a larger set with rest steps between 10 and 30 seconds. When you normally think of a set, remember to do one rep immediately after the other until you've completed all the prescribed reps. Cluster sets go like this: do three reps, rest 30 seconds, do three reps, rest 30 seconds, do three reps. This entire string is one sentence.


The main advantage of cluster sets is that you can lift more weight with the same total volume. If you deadlifted for a straight set of eight reps, you could only lift, say, 75% of your 1RM. However, if you break this setup into four groups of two reps, you can use about 90% of your 1RM for the same amount of total volume. Because of this, it is a popular technique among strength athletes such as weightlifters.


What is cluster training like?

Cluster sets can take many different forms, and there is no single cluster set structure. However, you can program sets of clusters for each of the three main training adaptations - power, strength and hypertrophy. Typically, group sets are used for compound movements because they are designed to increase the load on the barbell, and compound movements allow you to use more weight. Although less common, you can also use cluster sets for additional exercises.


You should consider four variables before you start programming groups - rest intervals between sets, total reps per set, total rest time, and intensity.


Rest intervals between sets

The normal rest interval between sets for cluster sets is between 10 and 30 seconds. These intervals will vary based on your goals, your intensity, and your overall performance. If this is confusing, below is a list of some scenarios with possible rest guidelines between sets.


  • Power: 15-30 second rest intervals

  • Strength: 10-30 second rest intervals

  • Hypertrophy: 10-20 second rest intervals


What matters most when figuring out recovery for your cluster sets is your ability to move your weight efficiently and safely. For example, if you're missing reps due to limited rest time, reduce the weight or increase your rest interval a bit.


Total number of repetitions per series

The next variable we'll look at is the total number of iterations you want to run for each set of clusters. At this point, cluster sets look similar to what you probably already know about traditional proxies for training adaptations. The only real difference is how you want to split the smaller subsets within the total number of repetitions. Check out the examples below.

  • Power: 4-5 total reps, so a cluster might look like this: 2-2-1 or 2-1-1

  • Strength: 5-7 reps, so a cluster might look like this: 2-2-1 or 3-2-2

  • Hypertrophy: 8-10 reps, so a cluster might look like this: 3-3-2 or 4-3-3


As you can see, the smaller subsets are all similar (from one to four repetitions), but they correspond to a larger set that correlates with the goals of a traditional set. In this scenario, performance is slightly extrapolated due to the smaller subsets compared to traditional sets.


total calm

The next variable to consider is the total pause taken between sets of clusters. One of the main focuses of cluster sets is to get a certain amount of work across different time allocations. That said, your rest between sets can be critical to using them successfully, as too little leads to fatigue, broken form, and failed reps.

  • Performance: 2-3 minutes

  • Strength: 1-3 minutes

  • Hypertrophy: 1-1:30 minutes


Rests between sets will be similar to traditional sets. Ideally, rest as much as you need to get into work without missing reps or decreasing intensity.


Intensity

The final variable for programming successful cluster sets is choosing an intensity. This is the variable on which coaches and athletes are most likely to have the most variability. If you work at higher intensities it becomes difficult to give exact numbers below as everyone's workload generally varies more at higher percentages.


  • Performance: 8-9 RPE or 90%+ of your 1RM

  • Strength: 7-8 RPE or 75-85% of your 1RM

  • Hypertrophy: 6-8 RPE or 70-80% of your 1RM


These numbers depend on your training goal and skill level. Therefore, consider them as general guidelines and not a definitive solution.


Examples of cluster sets

Below are three examples of what sets/cluster training can look like when training for power, strength and hypertrophy.


performance

3 x 5 (2-2-1) - 15 seconds of rest between each subset, 90% 1RM intensity and 3 minutes of total rest between sets.

2 x 4 (2-1-1) - 20 seconds of rest between each subset, 93% 1RM intensity and 4 minutes of total rest between sets.


Strength


•4 x 6 (2-2-2) - 15 seconds of rest between each subset, 85% intensity of 1RM and 3 minutes of total rest between sets.


3 x 8 (3-3-2) - 10 seconds of rest between each subset, 80% 1RM intensity and 2.5 minutes of total rest between sets.


Hypertrophy

4 x 8 (3-3-2) – 10 seconds rest between each subset, 77% 1RM intensity, 2 minutes

complete rest between sets.


3 x 10 (4-3-3) – 5 seconds rest between each subset, 75% 1RM intensity, 2 minutes

complete rest between sets.


How to program cluster sets

Now that we've seen the different schemes you can do with cluster sets above, let's dive into the details of programming cluster sets for single moves. In the examples below, we will see a program plan for each muscle group to improve its size.


breast hypertrophy

Barbell bench press: 4 x 8 (3-3-2), 10 seconds rest between each subset, 77% 1RM intensity, 2 minutes total rest between sets.


shoulder hypertrophy

Barbell bench press: 3 x 10 (4-3-3), 5 seconds rest between each subset, 75% 1RM intensity, 2 minutes total rest between sets.


spinal hypertrophy

Barbell Curved Row: 4 x 8 (3-3-2), 10 seconds rest between each pedestal, 77% 1RM intensity, 2 minutes total rest between sets.


leg hypertrophy

Barbell Squat: 3 x 10 (4-3-3), 5 seconds rest between sets, 75% 1RM intensity, 2 minutes total rest between sets.


For cluster sets to be worthwhile, you should only do them for the first exercise – a compound movement – ​​of each workout. Because what sets cluster sets apart from other regular sets is the ability to be fully rested so you can lift as much weight as possible. If you wait until you've completed a few exercises in your workout, your muscles will tire, undermining the improved strength and performance you get from cluster sets.


You can include the same movements; You need to change rest and rep counts for the power and rest variables mentioned earlier in this article.


When to program cluster sets into your training

You'll want to schedule cluster sets into your training plan if you're an explosive athlete, such as a weightlifter or sprinter. However, you should also try them if you've stabilized in any major compound movement, including barbell bench press, barbell squat, and barbell military press.


That said, cluster sets are meant for compound movements, not isolation exercises – dumbbell curls, triceps extensions and lateral raises – that's because the whole point of using cluster sets in your training program is to improve your power and strength. best for big moves.


Save isolation moves for other training methods like drop sets, ramp sets, and burnout sets.


The advantages of cluster sets

There are some benefits to using cluster sets, and these benefits vary slightly depending on your purpose and usage. Below are four potential benefits of programming cluster sets into your training.


Improved performance


A review of cluster sets in the Journal of Strength and Conditioning Research states that cluster sets can reduce fatigue in a workout, leading to more consistent performance in the gym.


More total volume

We discussed this above, but working at higher intensities can become a limitation when aiming for higher reps. Cluster sets serve to alternate working in smaller sets, allowing an athlete to achieve more repetitions at a higher intensity. A 2015 study in the European Journal of Applied Physiology shows that cluster training promotes greater total work volume and average power compared to traditional sets.


Can help increase strength

Other research has compared subjects who followed traditional sets (4 x 10) and intra-rest interval sets (8 x 5) over 12 weeks. The authors found that both groups increased their strength on the exercises tested and saw a change in muscle fibers, but the intra-rest sets group had slightly greater strength gains. However, the researchers note that this may be because the groups change their 1RMs every four weeks, which allows the five-rep group to gain weight faster because they have fewer reps per set.


Higher overall performance

One way to measure strength is your ability to lift heavy weights as quickly as possible. Because cluster sets require you to lift fewer reps at once and rest longer than traditional sets, you can lift heavier weights faster, which will increase your power output.


Last word

Cluster sets can be a useful tool for increasing overall power and volume during a workout. They give you the ability to do more reps at certain percentages while trying to avoid form collapse. Is there a consistent cluster set format? Not necessarily, although the variables that make up cluster sets must be kept consistent to avoid abuse of their meaning/structure.


Cluster Training: A complex progression method for intermediate and advanced athletes

Written by Amanda O'Brien


There comes a point where linear progressions and simple fluctuations in volume and intensity are no longer effective in creating a progression. After several years of consistent strength training, an advanced athlete must use more complex progression methods to avoid plateauing. One such effective method for improving fitness as well as strength and hypertrophy is known as cluster training.


Cluster training involves sets with rest periods built in between 10 and 30 seconds into a set, allowing more weight, reps and overall volume to be added in a single set. For example, in the strength context, instead of 4 sets of 6 reps, the athlete would perform 4 sets of 2, 2, 2 reps with 30 seconds of rest between each set. This allows for the same volume as the first example, but the extra rest on each set allows heavier loads to be lifted, increasing the intensity of the exercise.

In layman's terms, clusters are a powerful way to add volume and intensity into a single workout to increase strength and/or hypertrophy.


This article provides context on the use of cluster training for strength and hypertrophy progressions for advanced strength athletes, as well as the use of cluster training in gymnastics progressions for individuals of all levels.


Gymnastics: groups

When it comes to fitness, there are two reasons to include cluster training in your program. The first and most effective way to progress is to use eccentric cluster reps to build concentric skills. This can be used for beginners wanting to do their first push ups, for advanced athletes working towards one arm push ups, etc.


Eccentric exercises are slow, controlled movements that stretch your muscles throughout the exercise. Let's take the example of someone who wants to develop an L pull-up.


The ultimate goal would be to do 3 consecutive eccentrics with even deceleration through the full range of motion for 7-10 seconds. The full range of motion in this example would be from the chin, through the vertical plane of the pull-up bar, to fully locking the elbows into the buttocks. Once this has been successfully completed, subjects should be able to perform a concentric L-bar; start from the bottom and go up!


Now how do we use eccentric grouping to get there?


A typical starting point would be to perform 3 sets of 2-3 group reps with an eccentricity of 3-5 seconds, resting 10-30 seconds between each group and resting 3 minutes between each set. Knowing where to start and how long to rest between each cluster depends on the athlete's starting points and current abilities. This can be determined by an aptitude assessment. The first step in getting them into the L pull-up is to increase the length of the cams until the person can do 3 sets of cams for 7-10 seconds. The next step would be to decrease the rest between sets until you can do 3 sets of 3 reps in a row.


The second reason to use group sets in gymnastics is to improve the amount of work you can do in a single set. Let's say a moderate-strength-trained athlete has the ability to do 8 uninterrupted strict pushups with the goal of achieving 12 uninterrupted reps in the near future. Once that person has exhausted progressions through volume build-up work, such as adding reps and additional training, clusters are a powerful next step. Rather than training the eccentric part of the movement as described in the example above, this cluster training style focuses on the entire movement, both eccentric and concentric, with the ultimate goal of stringing more repetitions into a single set. Here is an example of using cluster chaining in relation to gym training. Week 1: Strict Pull Up with Pronation 3.3.3.3 sets x3; Rest 20 seconds between each group and 3 minutes between sets.


  • Week 2: Pronated Strict Pull Up 3.3.3.3 x3 sets with 15 seconds of rest between sets. each group and 3:00 between sets.

  • Week 3: Strict Prone Pull Up 3.3.3.3 x3 sets with 10 seconds rest between each set and 3:00 between sets.

  • Week 4: Strict Prone Pull Up 3.3.3.3 x3 sets with 5 seconds rest between each set and 3:00 between sets.

  • Week 5: Strict Pull Up with Pronation Sets 4.4.4x3; Rest 20 seconds between each cluster and 3:00 between sets.


And so on ...


It's important to remember that to avoid plateauing, you must ensure that certain benchmarks have been met before starting cluster training. Accumulation of volume, adequate scapular strength and stability, and adequate power are necessary to prevent plateaus from progressing too quickly. For this reason, working with a trainer who understands the simple and complex levels of progression in each training module is essential for long-term success.


Strength and Hypertrophy: Clusters

In a traditional strength training session, it's common to see compound movements in a 5x5 format that use about 85% of your 1 rep max. Cluster training allows you to use high percentages of your 1 rep max while maintaining the same volume. This leads to higher threshold motor unit recruitment, which is essential for hypertrophy training.


Some examples of strength-related cluster training:

  • Bench Press 4 x 2.2.2 @ 87% 1 rep max; Rest 20 seconds between groups and rest 2:30 between sets.

  •  Squat 3 x 3.3.2 @ 80% 1 rep max; Rest 15 seconds between groups and rest 3:00 between sets.


Cluster training is also useful to increase performance. In 2010, a study showed that cluster training allowed participants to perform a high number of repetitions while maintaining the speed of the lifting movement due to intraset periods. Whereas traditional training programs would have created so much fatigue in each set that the speed of each rep would decrease over time.


Some power-related cluster training examples:

  • Power Clean 5x1.1.1.1.1.1; Rest 15 seconds between sets and 2:00 between sets.

  • Bench Press with Chains 3 x 2-2-1; Rest 20 seconds between sets and 2:30 between sets.


The goal will determine which movement you use, how many reps you should do in each set, and how long your rest periods should be between each set. Below is a general rule:

  • Power: 4-5 total reps per set, 15-30 seconds rest between sets, 2-3 minutes between sets.

  • Strength: 5-7 total reps per set and rest 10-30 seconds between sets, 1-3 minutes between sets.

  • Hypertrophy: 8-10 total reps per set and 10-20 seconds rest between groups, 1-1:30 minutes between sets.


As with any exercise program, it is important to understand a person's goals, exercise age, gender, resilience, neuromuscular efficiency, etc. to create an optimal exercise program that will produce the best results over a long period of time. If you're tired of using templates and guesswork to fit your unique gym needs, it's time to look into personalized fitness. Click the link below to schedule a free strategy session with a Central Athlete coach and learn more! Your hard work in and out of the gym should bring you the results you want, and we're here to make sure that happens!

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