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It’s Dumb, But It Builds Muscle Almost 4x Faster

It’s Dumb, But It Builds Muscle Almost 4x Faster

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Start a free two-week trial of BWS here: If you've wondered how often to train muscle groups per week, you've heard it: train hard, then take rest days 48 to 72 hours for repair and growth. That's the logic behind best training frequency advice, and why choosing to train everyday risks overtraining. But some people do demanding physical work daily and still build unusually muscular bodies. Could removing rest days actually help a muscle grow faster Could that be the best workout split and best workout routine to build muscle Follow Dr. Eric Helms: View Dr. Eric Helms Products: Monthly research reviews: www. massresearchreview. com His Latest Books: www. muscleandstrengthpyramids. com To find out, I recruited three participants for a 30-day experiment. Brandon trained his chest, Max trained one leg, and Yolinda her biceps and triceps. Brandon did five sets of 8-12 reps a day; Max did four sets of 9-12. The everyday side did about 35 hard sets a week versus roughly 10 on the other side. All three got baseline and follow-up MRI scans. At first, Max's everyday leg got extremely sore, Yolinda felt clear fatigue in her everyday arm, and fitting in a daily workout was its own challenge. Training creates high tension in muscle fibers a powerful growth signal that also leaves the muscle temporarily weaker while it repairs. That's why most programs leave a day or two between hard sessions for the same muscle. But soreness doesn't perfectly tell you whether a muscle is actually ready to perform again. Dr. Eric Helms explained that DOMS usually peaks a day or two after training, while force production recovers on a different timeline; a muscle can feel sore even after its strength is back near baseline. Around day eight, Max noticed his soreness had suddenly started fading: the repeated bout effect, where repeated exposure to a muscle-damaging activity drastically reduces damage and soreness over time. The participants adapted, and despite occasional bad workouts, strength on the everyday side kept climbing. The bigger concern was overtraining joints and tendons. That's why everyone rotated exercises instead of repeating the same movement, and why Max lightened his load and paused one exercise for a few days. All three finished injury-free. The everyday side also did far more weekly volume. More hard sets tends to mean more growth, but most people can't cram 30-plus quality sets into one workout. Daily training spread that volume across seven smaller doses, suggesting the higher weekly volume not frequency alone was likely a major reason for the extra growth. At the final strength test, Yolinda was consistently curling 15s, and her everyday biceps and triceps out-performed her regular side by three reps. Brandon felt strong on his everyday side too, and all three finished with a clear strength edge on the daily-trained side. But strength alone couldn't prove more muscle had grown. That's why the MRI scans mattered: everyone took three rest days first to rule out swelling skewing results, and researcher Daniel Plotkin analyzed them blind, without knowing which side was which. Yolinda's normally trained arm grew about 1% versus 3% on her everyday arm. Max's normally trained leg showed about 0% growth versus roughly 2-3% on his everyday leg. Brandon saw about 5% growth on his normally trained chest versus about 20% on his everyday side. His everyday triceps also looked bigger, although they weren't formally measured. These results don't fully answer how often to train muscle groups per week for everyone. The practical takeaway isn't necessarily to train everyday; a smarter option is a temporary specialization cycle: pick one or two muscles to prioritize, keep the rest of your program at baseline, and train the priority muscle first whenever you're already in the gym, for two or three hard sets. One rule: don't hammer the same exercise every time. Pick two movements per muscle and rotate them to avoid stressing the same tendons. Disclaimers: Jeremy Ethier is not a doctor, physical therapist, or a medical professional. Always consult a physician before starting any exercise program. Use of this information is strictly at your own risk. Jeremy Ethier will not assume any liability for direct or indirect losses or damages that may result from the use of information contained in this video including but not limited to economic loss, injury, illness or death. 0: 00 -1: 31 The 30 Day Experiment 1: 32 - 2: 12 Do You Need Rest Days 2: 13 - 4: 59 Soreness And Growth 5: 00 - 6: 03 Strength Gains 6: 04 - 7: 28 Potential Injuries 7: 29 - 8: 44 Day 30 Strength Test 8: 45 - 11: 59 Day 30 Muscle Results 12: 00 - 13: 10 How to Apply This
Date: 2026-09-04

Comments and reviews: 20


I also trained every day, but with calisthenics, and I had insane muscle growth. I went from 63 kg to 70 kg in just 6 months and even lost body fat. Even after just 30 days, I saw so much progress visually that I was surprised by how fast it happened.
I always did high volume sets with about 40 push ups to failure. When I started working out with extra weight and lower reps, my muscles started feeling injured pretty quickly, and I couldn't train every day anymore.
I've heard that, for muscle growth, it doesn't really matter whether you train with high reps or low reps as long as you train close to or to failure. Higher reps just cause more fatigue. But with high reps and low resistance, even when training to failure every day, I felt very good for months.
I also spread my calisthenics sets throughout the day. I think that allowed me to recover some of my energy between sets and get in more total volume despite the increased fatigue from high-rep sets.
So in the end, I think I was able to build more muscle with my method because the lower resistance didn't get me injured, even though I was training every day. Spreading my sets throughout the day also helped me have enough energy for all my sets.
My friends were joking, by the way, that I was taking steroids or some other stuff. What do you think about the way I trained Was it just good genetics, or is there actually something good about my method

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JEREMY! I just completed my one month of this and am currently taking 5 days off and It's amazing! I grew 4cm on my arms not sure about my shoulders but people have been saying I look wider. What I did was prompted gemini for 2 exercises I can alternate for my shoulder, triceps and biceps with movements that minimize overworking joints. So different angle of attacks. Then I did 2 sets of each per day alternating so around 6 sets per day and tracked so that I progressively overload or atleast are tied with my previous days results. And this gave me amazing results! I'm now doing this for my chest and back for a month.
Note I only tried this since I'm also on Tirzepatide and didn't want to lose my arm muscles for my Bali trip, not only did my arms and maybe shoulders grow but I lost 20lbs, I am fat though so take this into consideration, I was 240 last month and I'm now 220.
To anyone that will be doing this listen to your body as well, I had to change an exercise mid way when a movement started hurting my joints. DO NOT PUSH THROUGH IT, Look for another movement through ai that will allow for this.

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I pretty much use these exercises specified except for the legs. instead of a bodybuilding approach to the legs. I prefer a more functional approach involving deep squats, deadlifts and calf raises. bent over reverse flyes are also good for shoulders. I do with just dumb bells at home. training a muscle more often can yield more results in a shorter time but greatly increases the risk of tendon, ligament and joint injury. when wanting to do an exercise that puts load to extend a joint. it's a good idea to first do an exercise that closes that joint. warm up sets with much less load also help to lube up the joint beforehand. never push through joint pain. listen to your body. structural integrity such as posture and mobility are very important and foundational. many people have issues with anterior pelvic tilt and shoulder stability. also so many people have forward head carriage and slumped forward upper backs. awareness helps. keep good posture and joints. cars (controlled articulated rotations) are also a good thing to learn. and the ytwl for shoulders
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i use to train everything everyday. the first 6 months huge gains after that the strength and endurance keeps going up (if you do it right( i would do 4 months ligament training in the beginning, than you find a weight you can do 3-4 times and stay with that weight till you can do it 30 plus times then go up in weight same thing a weight you can 3-4 times rinse and repeat) please Jeremy if you see this try this workout itll blow your mind for pound for pound strength ( for running find a speed you can maintain and every 2 minutes sprint for 1 minute then go back to the rest speed on treadmill depends on current fitness but never go less than a good jog speed if your more fit 7-8 for the speed if you dont want to sprint than do 95% speed for 2 minutes if you do the 1 minute the run is 14 minutes if you do the 2 minute than the run is 18 minutes and thats it the goal is to run as far as possible in those set times
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Hi Jeremy! I really love your videos - super instructive, entertaining, visually compelling and sometimes very funny.
I don't know if it's just me but although I really appreciate how you never add 'fat' to the content eg unnecessary repeats or self promotion (kudos to you for that, well sometimes the videos wrap up so quickly that I don't have time to give them a thumbs up, then YT jumps to another video and I have to manually go back to your list of videos and find it again to support you with a like. I think it's a shame, and maybe something your team might want to look into to optimise I haven't clicked 'like' on half as many videos as I'd wanted to, because of this, sometime because I couldn't find the video quickly enough before having to move on to something else. Hope this feedback helps.
The content you produce is amazing guys, it's worth being touted as much as possible!

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This was missing a very important control: intensity - proximity to failure on the 2x days/week side. If the intensity was roughly the same or had no proximity to failure on 2x days/week, then your inference is very wrong. Growth stimulus is achieved through effective volume, meaning that the massive volume on the train every day side is going to necessarily provide more stimulus than the 2x days/week. If the 2x days/week controlled for effective volume through proximity to failure, then you would likely see that both sides achieved roughly the same results. This would go a long way to ending the gym bro debate (despite the fact that the science already says this) that effective volume is anything that causes growth stimulus, which can either be extremely high total volume or extremely low total volume but with higher weight, lower reps, and high proximity to failure in every set
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I have just started the video 2: 07 but I grew a lot of bone muscle over a month. And I almost doubled my shoulder weights and arm weights. Mind you I really hate leg day so I skip every other time I should be doing it and I work out twice a day every day. I rotate different muscle groups. It’s 12 workouts then it goes back around. Chest & triceps, back and biceps, legs (hate, shoulders & obliques, core (hate, chest and back, arms, legs, shoulders and obliques, full body, core. Every workout I’m having breaks ranging from (core) 10-15 sec per set on each set and 1min for the super set to 40sec for everything else sets and 1: 15 min for a super set. I get my workouts done in 45min and I’m drenched in sweat every time. Not losing much mass though only lost 5lb so I’m around 235lb and I’m taking a week off atm. About to go hard again Monday for another month.
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Making gains is so easy: just log the workouts. If you aren't progressing in your workouts meaning reps, sets and weights aren't going up, then you aren't gaining (much) muscle and strength. If you're not progressing, there's three reasons or a combination of them:
1) Not eating enough, especially protein, but overall caloric intake is important too. Can't make something out of nothing, physics and all.
2) Not exerting yourself hard enough. Why should the muscle grow stronger and bigger if you're stopping short of it's limit It can do what you're asking it to do at the current size and strength value, no need to improve.
3) Not enough rest. Muscle doesn't grow during training, it grows during resting.
Yet they've managed to make a multibillion industry out of something so simple by continuously pumping out conflicting information.

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i do mix excercise basically all sets of all machines(including daily cardio, tradmill and cycling and abs) 7 days a week no off from gym and yes sometimes i do take off if im not well or have to be somewhere, and all body parts daily for about 4 months now because i dont consume any protein or creatine neither i want to consume im currently on weightloss and lost 12 kgs in 4 mths due to rapid diet changes basically i consume about 1200 to 1600 calories a day with about 20-30g total protein in all 3 meals so to avoid muscle loss i do mix daily and my BC scans shows that i lost 0. 1% muscle in 4 mths but i didnt gain any which i expected but its better to not gain than lose some, there is a daily 24 hr cycle i go gym exactly every 24 hrs that is 8: 30 pm.
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Not trying to knock you down a peg or anything but you missed one of the most important details about training every day: STRETCHING AND WARMING UP. This can drastically reduce your chances of getting hurt. When I was doing quite a bit of wrestling we would work out 5 days a week and the first thing we always did was spend 15-20 minutes stretching and warming up normal static stretches plus dynamic stuff like throwing a medicine ball or using a PVC pipe. Not only does it reduce your chances of injury, it helps your body in other ways too: increasing bloodflow, increasing flexibility, and, an important one, increasing your range of motion, which can quite literally save you from a broken thumb, leg, or something worse.
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i use to workout 4-5 days a week, thinking more session, faster growth. But instead my body fully shuts down andi couldnt move for a week. Now i train 2-3 times a week and the different is massiv. First thing that i realise was, the pain was less, i could do more sets, because i am more rested and so more energy. I am building musclea bit faster now too. Changed what and when i eat. i went from a scrawny 60kg and 183m tall to 74kg now and still got less fat than muscle. I love my QuarkYoghurtcucumber, zitrus, or lime juice, garlic, chia seed, hemd seed, linseed, salt and pepper. dont even need 5 minutes to prepare a week portions
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Saw a guy once who worked every day stacking logs on a flatcar. his muscles weren't huge but he had the ability to lift the same weight as people with much larger muscles and he was able to work much longer than younger persons who had larger muscles. Makes me think that every day training specializes the muscles for a particular task or movement. After a certain point i suspect his muscles stopped growing in size because the larger muscles actually hindered the movement and speed while demanding more fuel. His body adapted to the daily requirement of his work.
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I do this for calves and it’s been amazing for growth. Calves are different as they’re a super dense muscle that’s used to lots of volume as you walk on them and there’s limited tendon involvement.
I lift pretty heavy too with standing raises warm up at 140kgs then 220kg working sets for standing raises for 3 sets of 8 with drop sets at 180kgs 140kgs 100kgs and 60kgs with increasing reps (10, 15, 20, 25 reps.
I also swap in some seated raises at 80kgs if I can’t be bothered to shift all of those plates
Serious growth in a short time.

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Could it just be that the novelty of a training style unlocks new gains in an individual that has been training the same way for a long time When I did lengthened partials, I experienced quick growth for 6-12 months and it stopped. Then I focused on going beyond failure with cheatreps and partials and grew again for 6 months and it stopped. Then I went back to more concentric focused training and grew again for a couple of months. It's like I have to hammer away at something for a year and then switch it up for the best growth.
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I am 39, I thought I was unbreakable in my 20s, i worked out 6 days a week and didn't wait until the soreness would go away. Turns out, I was wrong and ignorant, I ended up snapping the tendon that connects the bicep to forearm on my right side, by the time I was 30, then in my mid 30s, I split my abs and got a hernia near the belly button, both injuries needed surgery. Now I train light, 15-20 reps, 4 sets, the 1st set is a warm up and the last set is a cool own. I wont return to the gym sore. I feel way better for it. TRUST
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yes ive already figured this out after working with Jeremy those are some very cool experiments like I workout 6-7 days a week and it definitely do not shrink me I just do not have to kill myself with each work out i am enjoying it. so if you have already figured out that you can workout two times a week for thirty minutes just to show off looking bigger not caring that you have no stamina and you can not sustain like two hours of work. or you are crazy and love to pump muscle and happy hormones daily welcome to freak club.
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I used to train every day, alternating squats and deadlifts. Soreness wasn't an issue and I gained 20kg in a year as a newbie; Abs still showing so it wasn't all fat like some people will suggest. Now that I haven't trained in 15 years, a set of anything will have me crippled with DOMS for a week. Could probably mitigate that by eating like I did back when I did train, but I can't be bothered. My natural food intake is about a fourth of what I supposedly need to recover and grow.
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I really hope viewers realize two things.
1. This research he’s doing is great and very useful and
2. As much as we can see the benefits from this you must realize that it is not practical. You will increase rate of injury by much higher rates. You will cause more issues in your tendons and joints as they cannot adapt as fast as muscle does. Please train safely, train hard and go to the gym whenever you fully recover first.

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interesting idea Jeremy, but I am concerned about blood and all that 'chemicals' it transported through the WHOLE body. I believe tired muscles from one side had been producing 'leftovers' which been signalling to body hormone system pattern which should be different if one been training only twice a week.
To me, it's like using left eye whole day and right eye twice a week to compare which working pattern exhaust brain more: )

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I can say that this definitely works, I always ended my workout sessions with the sled everyday for over two months, my usual max for the sled was never over around 440, I'm able to push 650 on the sled consistently, maybe I can credit football to that but the one thing I noticed is that over time my left knee started to hurt so I lessened the weight but kept doing it everyday until the pain went away then went right back to 650.
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