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I created EVLO because as a physical therapist there was nothing I could recommend that was both effective and wasn't going to leave my patients exhausted and depleted. We apply the science of hypertrophy into easy to follow short classes that you can do from home. Each class is taught by a doctor of physical therapy and they are all brand new each week, which keeps you excited about showing up. Here's an app review that sums it up. She said, I tried CrossFit for three years but my body couldn't do it anymore. I was exhausted. Then I tried Pilates during the pandemic and I didn't really see the results I was looking looking for. Finally, with evlo, I see definition in my back and arms and abs. I just love it. I enjoy all the modifications as well. So through January 7th you can join and get the entire month of January for free. Cancel anytime within that period. If you find it's not for you. No code needed, just visit evil fitness.com welcome to the Dr. Shannon Show Body Recomposition Capsule. There's so much fitness advice out there and quite frankly, much of it isn't true. So in this 10 episode series, we're covering all the science based tools for body recomposition. You may have heard me cover many of these topics before and some things will be brand new. I wanted to create one organized capsule of information that will give you all the important concepts for improving your body composition. Because we know improving your body composition isn't just external, it has incredible benefits for your health, energy, mood and longevity. I'm your host, Shannon Richie. Welcome to the show. Today we're diving into volume and frequency. How many sets per week you need to build muscle, how many times per week you should train, slash how often you should train each muscle group and what the research actually says about maintaining muscle if you just want to keep what you've built. So before we get into the numbers, none of this works unless you're choosing the right exercises and training close enough to failure. So make sure you go listen to the last episode because that is very important and adding more isn't necessarily better. Sometimes you just need to do what you're doing, but take each exercise closer to failure. Volume and frequency only matter after you've applied that. So let's start with volume, which means the number of sets that you do, and frequency, which means how many times per week you work a muscle group. So you may have heard people say you need 10 sets per week per muscle group to maximize hypertrophy, and that's maybe five Sets of glutes on Monday and five sets of glutes on Thursday, or however you want to divide it up. And that's for every muscle group in your body. And that comes from a well known meta analysis that I'll link in the show notes. But the details of this study do matter, so I want to unpack this because it gets frequently referenced. So the researchers in this meta grouped weekly volume into three categories over an 8 to 12 week period. So, so they had low volume group, which was four sets or less per muscle group per week. They had the moderate volume group, this was five to nine sets per muscle group per week. And they had higher volumes, this was 10 or more sets per muscle group per week. Here were the average hypertrophy or muscle growth outcomes for each of these groups. So the low volume group, the group that was doing four sets or less, they saw about 5.4% muscle growth over those eight to 12 weeks. The moderate volume group, the five to nine sets per muscle group per week, they saw about 6.5% muscle growth. So a little bit more. And the high volume saw about 9.6% muscle growth. So as you can see, the more volume you add, you do build muscle faster. You build more muscle over the same amount of time. So knowing that adding more weekly volume will lead to faster muscle growth, what do you do with this information? So after about 10 sets or more per muscle group per week, you do see more gains, but the additional gains per extra set become smaller. So you start to see diminished returns. As you add more volume, the return on your investment is lower and your recovery demand goes up. For most women, especially women with jobs and families and stress and normal recovery capacity, doing super high volume just is not very sustainable. So this is why I recommend the moderate volume approach. And this is exactly what we do in evlo. We do around four to eight sets, maybe sometimes nine sets per muscle group per week. I really do think it's the sweet spot because it's enough to stimulate muscle growth without destroying your body or your nervous system. And the thing we hear the most from members is that they have not been able to be consistent with other programs, but they finally can be consistent with evlo because we have this moderate volume that not only works, but it doesn't beat you up. So moderate, manageable, smart volume lets you actually show up and it has a real visible impact on your body. So that's volume. How many sets per muscle group per week you should do? Next, let's talk about frequency. How often should you train each muscle group. So a recent meta analysis that combined all the data that we have on frequency found that training a muscle once per week does still produce muscle growth, but training it twice per week is significantly better. Training it three times per week offer no meaningful additional benefit for most people. So three times per week can absolutely work, but it's often harder to recover from and harder to keep up with long term. So twice a week is the sweet spot in my opinion. Not only is it practical, it's great for building muscle and it's easy to stick to and stay consistent with. So if we put all this together, how many strength workouts do you need each week to build muscle? I recommend anywhere from 3 to 5. So 3, 4 or 5. You can do two full body workouts a week, but it will mean that you have to hit each muscle group in both of those workouts. So the workouts can just get really long and it may get hard to stick to. So although it's an option, it's not my recommendation. I do Recommend sticking to 3, 4 or 5 times per week. If your goal is body recomposition, whether you choose three, four or five is really up to you. Just try to train each muscle group twice on non consecutive days. If you like fewer strength sessions, but slightly longer workouts, choose three times per week. If you like shorter workouts, more spread across your week, choose five times per week. If you're an evil member, you can try any of our tracks. So we have three, four and five time per week and they're the same for building muscle. I am typically on the four or five time per week track just because that's the track I teach on and I like to spread my work throughout the week. I just feel like I recover better. My workouts are shorter, they're really easy for me to show up with. However, I did do the three time per week track recently. Three time per week track is two 45 minute classes and one 35 minute class. And I loved this track. I thought it was so awesome. The classes felt great. They're full, three full body workouts. So again, it's absolutely an option. It's just a preference. If you're an evil member and you haven't tried the three time per week track, I would recommend you try it just to see if it fits with your lifestyle and what you like. Um, and with two kids under two, it seems like that's maybe an efficient option that I would choose right now. But I am teaching on the 5, 10 per week track, so that's my Usual go to track. I've also body recompositioned twice on the five time per week track and it works great. So again, just choose your preference. So if we zoom out for muscle growth, train each muscle group with at least four sets per week spread across two sessions. That is the simplest, most evidence based guideline to build muscle. Now let's talk about maintenance. A lot of people think maintenance means you can switch to quote unquote easier workouts when you're trying to maintain the muscle mass that you have. So maybe this means lighter weights or lower load or more cardio or just walking or weighted vest walking or pilates or bar, whatever. And they think that you can do easier workouts or not work out at all and just maintain what you've built. But muscle is metabolically expensive and your body will happily get rid of it if it's not being challenged. If the signal to your muscles is not strong enough on a consistent basis, your body considers that muscle mass or that tissue extra and it slowly starts to trim it down. So no, you cannot maintain your muscle with low load workouts or only doing cardio. You have to continue sending the message that your muscle is needed and that comes in the form of training to failure or close to failure. So I'll talk about how to maintain here in a moment. But I do recommend always being in building mode, even if your actual outcome ends up being maintenance, because life gets in the way. And I've experienced this several times where I'm trying to build muscle and then I go a month where I'm super stressed out and it's just enough for me to show up and I'm not really training close to failure or I'm not hitting my protein needs, or I'm not recovering very well and maybe I end up losing a little bit of muscle. I've seen that. So I recommend kind of always being in build mode so that you have a little wiggle room to play with, so that if you undershoot build mode, you'll at least maintain. But let's talk about what you actually need to do to maintain muscle mass. And it's not doing easier workouts, it's not doing lighter weight workouts, it's not doing cardio only. The really interesting thing about maintenance is that it takes far less volume than building, but it still takes the same amount of intensity you have to continue training close to failure. Several studies show that you can maintain muscle with as little as one third of your previous training volume, and in some people even 1/9 of your previous training volume. So here's a few examples. So a paper from Bickle and colleagues showed that adults maintained muscle for 32 weeks with one third of their original volume, which was about three sets. So they maintained muscle with about three sets taken close to failure. So if you're used to training with nine sets per muscle group per week, you might be able to trim it down to three sets per muscle group per week and maintain. I've also seen some studies show that you can maintain with even one hard set per muscle group per week. As far as frequency goes, you can maintain by just hitting each muscle group once per week. So that really will trim down how much you need to train. But it doesn't mean that you aren't training close to failure. It doesn't mean that you're switching to lighter weights. If you're an evil member and you need to switch to maintenance for whatever reason, you have some options. So you can take upper body, lower body, and mat build. That will ensure that you hit each muscle group one time or several times within the same workout. And that's the best, surest way to make sure that you're maintaining your muscle mass. You can spread those workouts out throughout the week, however you want. You can take them Monday, Tuesday, Wednesday, or you can spread them out throughout the week, whatever is easiest for you to maintain. Or if you want even fewer classes, an option you could do is take Monday's build 45 and Wednesday's map build. That will hit each muscle group once with about three to four sets. So again, you can do either one of those tracks and still maintain your muscle. Some people say that they do those tracks and they're still even able to build a little bit of muscle. I think that depends on genetics, training status, individuality, lots of things. So just to summarize about maintenance, the simplest guidance for maintenance is aim to work each muscle group with at least one hard set per week. More is totally fine, but that's the floor. So just to summarize everything that we just talked about about volume and frequency, building muscle requires enough volume, around four to eight sets per muscle group per week. That moderate volume works great. You can do a little less, you can do a little more. Just pay attention to your recovery and training close to failure. So that's volume and frequency. Next episode Tomorrow will be a fun one. We are talking about efficiency techniques like supersets, how to combine cardio and strength training, and mistakes people make in trying to be efficient. So we'll see you tomorrow. Remember that you can join Evolo for the entire month of January for free. You will see and feel why so many members say they see better results and feel better than anything they've ever tried. They building muscle really will change your life and EVLA will make this process as easy as possible. Visit evla fitness.com to join. The last day to join is January 7th. We'll see you inside.
Host: Dr. Shannon Ritchey, PT, DPT
Date: January 4, 2026
In this episode, Dr. Shannon Ritchey delves into the science-backed specifics of how much one should exercise to maximize body recomposition—namely, how many sets and sessions per week are truly effective for muscle growth and maintenance. She clarifies common misconceptions about volume, frequency, and what it genuinely takes to both build and maintain muscle based on the latest research, while offering practical guidance tailored for busy individuals.
Definition:
Research Highlights:
Diminishing Returns:
Practical Recommendation:
Definition:
Research Insights:
Recommendation:
Options:
Customization:
Dr. Shannon’s Experience:
Memorable Quote:
Myth Busting:
Key Principle:
Volume for Maintenance:
Maintenance Frequency:
Practical Guidance for Evlo Members:
Summary Quote:
On Plateaus & Recovery:
On Consistency & Sustainability:
On Staying in 'Build Mode':
To Build Muscle:
To Maintain Muscle:
Be Flexible:
Teaser:
This episode delivers clear, actionable advice backed by research and Dr. Shannon's experience to demystify the "how much should I exercise?" question for anyone interested in optimizing body recomposition.