Transcription
All right, give me a thumbs up if you have ever injured a joint lifting something heavy. Now, point that thumb at the person to blame. Yeah, I'm right there with you.
The number one reason people quit training isn't motivation. It's injury. And the frustrating part is that most of these injuries are entirely predictable and preventable. If you haven't met, I'm Seth. I'm an ER physician and former special ops guy, and today I'm going to give you the exact framework to build real muscle and strength without ever going down that road. So, let's get right into it.
Before we get into the specific joints, though, you need to understand one concept. When you start training or when you ramp up your training, your muscles adapt pretty fast, usually within weeks. Within weeks, you're getting stronger, you're moving weight, feeling like an absolute unit, maybe even buying slightly tighter t-shirts. Yes, we've all been there.
So, we're going to write this down. This is time, and this is adaptation. Excuse my terrible handwriting. But, here's where it gets a little interesting. Your connective tissue, your tendons, your ligaments, your joint cartilage adapts at a completely different rate, significantly slower. We're talking months, not weeks. So, you have your muscle adaptation, something like this. It's your muscle, and your tendons and cartilage and ligaments do something more like this. And this difference between the two, this is where injury lives.
And the reason is because people feel their muscles getting stronger and bigger, and so they tend to go at this speed, when really they should be going at this speed. Your muscles get strong enough to generate forces that your joints and tendons just aren't ready to handle yet. You feel capable, you feel invincible, you feel like maybe you should be lifting more. Your connective tissue, meanwhile, is in the back quietly filing a complaint with HR. And then something gives. Suddenly, you're on the couch icing a body part that you didn't know existed three weeks ago, googling whether you can still train with a partially torn whatever. Spoiler: you will absolutely try because you're likely male and you're an idiot like me.
This is not bad luck. This is completely predictable. And here's the part that really gets me. People don't get hurt when they're weak and just starting out. They get hurt when they're actually making progress because their muscles are so much stronger than their tendons and ligaments and cartilage are prepared to handle. When they're feeling great, pushing harder, that's the danger zone. Evolution is real, sometimes.
So, the first rule of training for life: your connective tissue sets the speed, not your muscles. Definitely not your ego, and your ego left unsupervised will absolutely try to override both. The good news is that there are specific ways to train that accelerate connective tissue adaptation and close that gap. And that's exactly what we're going to get into today.
But first, there are three reasons people keep falling into this trap without even knowing it. And the first reason is they train too fast. Most people lower the weights like gravity is personally offending them. They just drop it and explode back up, and then they drop it down. And it feels powerful 'cause it's quick and it looks like you know what you're doing, but your tendons really are not impressed. That lowering phase, the eccentric phase, is the phase where tendons and connective tissue actually get their training stimulus. So, if you rush through it and you're just dropping the weight, your muscles are adapting while your connective tissue is just along for the ride and not getting stronger, just quietly waiting to ruin your Tuesday.
There's research on something called heavy slow resistance training. And that is controlling the movement at a three-second tempo each way, three seconds down, three seconds up. And it doesn't just build stronger connective tissue, it actually outperforms corticosteroid injections for treating tendon injuries. Let me say that again: slowing your reps down beat a medical procedure. A medical procedure that involves a needle being stuck into your joint. And most people are doing the exact opposite because it feels less cool. Incredible.
Reason number two: your stabilizers are basically not working. Your big muscles like your quads, your hamstrings, your chest, your lats, those are the movers. They generate the force. They're the ones that look good in photos. But underneath those are stabilizer muscles, small muscles whose entire job it is to keep your joints in the right position while the movers are doing their thing. They don't get Instagram posts. Nobody's making a YouTube channel about the transversus abdominis. And yet, neglecting them and your joints will make you deeply regret it. When stabilizers are weak, joints start moving in ways they really shouldn't under load. And that's where injuries happen, not from too much weight, but from weight traveling through a joint in the wrong position. And the three biggest failures I see are weak glutes absolutely destroying knees and lower backs, a weak rotator cuff wrecking shoulders, and a completely checked-out deep core making everything worse. And we're going to fix all three.
Reason number three: zero mobility work. Mobility is not flexibility. Flexibility is how far a muscle can stretch passively. Mobility is active control through a full range of motion. They might sound the same, but they're not the same at all. This is a distinction that has humbled a lot of very confident people in the gym. If you can't get into the right position for your movement, your body will find a workaround. And workarounds under load are how joints get absolutely cooked. Tight hips make your lower back do all this work in a squat. Limited thoracic mobility makes your lower back compensate in a deadlift. Poor shoulder mobility shoves forces through your rotator cuff in a direction that it was never designed to handle. Your body is incredibly creative when it comes to compensating for your limitations. Unfortunately, it is not creative in ways that end well for you. The fix isn't complicated, but it has to be consistent, not something you start doing the week after something's already hurt. All right?
So, let's get more specific. We're going to talk about the three joints. And those three joints are the back, the knees, and the shoulders. These are the holy trinity of gym injuries. And if you've been training for any length of time, you've either hurt one of these or know someone who has, or probably both. So, let's go through each one, why it breaks down, what protects it, and specific movements that are going to keep you training for the next 30 years.
We're going to start with the big one, the lower back. We're going to start here because it's by far the most common thing I see, especially in my clients and in people in general in the ER and everything. And here's what's really interesting. Most lower back injuries during training aren't actually a back problem. They're actually a problem with the glutes or the core, or both. Your lower back was designed to be a stable transmitter of force, not the thing that generates the force. But when your glutes, meaning your butt cheeks, you know, are weak and your deep core, which is your deep abdominal muscles, aren't doing the job, your lower back gets volunteered for the work it was never supposed to be doing every single rep until it finally says that it's enough. And another thing that you'll notice is a lot of people injure their lower back when they're lifting something very light off the ground. This is usually because your lower back is not prepped or prepared or flexed in a way that is ready to even move into that position. But we can address that through the same exercise interventions.
I want you to think about it this way. Your lower back is like a middle manager at a company where nobody else is doing their job. It didn't ask for the responsibility, but it ends up getting overwhelmed, and eventually, it's going to have a very public breakdown. And here's what actually protects your lower back: the glutes. Specifically, the gluteus maximus and gluteus medius. These are primary force generators of your hips and primary stabilizers for your pelvis. When they're strong, your lower back stays in its lane doing what it's supposed to do. When they're weak, your lower back has to pick up the slack and it ends up paying for it.
So, exercises that we want to focus on: one, Romanian deadlifts with a three-second eccentric phase. Slow lower, hinge at the hips, feel the hamstrings load. This builds a posterior chain, glutes, hamstrings, lower back, while simultaneously training the connective tissue in your hips and spine to handle that load. It's one of the most protective movements that you can do for your lower back and it's genuinely hard to do wrong if you focus on the hip hinge and keeping your spine neutral. All right.
For deep core, specifically the transverse abdominis, the deepest layer of the abdominal wall, research shows that the muscle fires before any limb movement in healthy people. It's your body's built-in lower back brace. It pre-tenses before you lift anything. In people with chronic low back pain, that timing is delayed and the brace doesn't engage before the movement does. The lower back ends up taking the hit unprotected. So, the exercise to do for this is called dead bug. I know the name is embarrassing. You're lying on your back, moving your arms and legs around. It looks like you're doing absolutely nothing, but this is one of the most effective deep core activation exercises that exist and it's the one that most gym bros skip because it doesn't look impressive enough. It looks kind of stupid, actually. And that's their loss and you are gaining. So, you're going to lie on your back, arms straight up, knees at 90 degrees. Slowly lower one arm and the opposite leg toward the floor while keeping your lower back pressed flat. Then you're going to come back, switch sides, go back and forth. If your lower back arches off the floor, you've gone too far. The goal is control, not range. Do this consistently, keep your deep core and your deep core will start doing its job better, meaning your lower back finally gets to do its job, which is considerably less work.
And a quick rehab note for those already dealing with low back pain: most low back pain is not structural, it's muscular and movement-based. Unless you've had imaging showing you have specific structural issues, the answer is almost never rest, it's movement done correctly. In fact, when we have people come into the emergency department that have negative imaging and they look most likely have a low back muscle strain, we tell them do not sit around doing nothing. This will cause your back to lock up and you will have problems far longer than if you get back to activity sooner. So, start with dead bugs and glute bridges before you do anything else and go see someone who actually knows what they're looking at.
Next, we're going to move on to the knees. The knees are interesting because almost everyone who has knee pain blames their knees. Makes sense, but the knees usually aren't the problem. Knee pain almost always either comes from hip problems coming down to the knees or ankle problems coming up to the knees. The knee is just kind of the middle child getting caught in the crossfire.
So, weak glutes, specifically gluteus medius, allows your femur to rotate, that's the big bone going down your leg, rotate inward during squatting and lunging movements. That inward rotation puts sheer force directly on the patella and the medial structures of the knee. If you do that enough times under load, you've got yourself a very unhappy knee that has absolutely nothing to do with causing its own problem. Limited ankle mobility does the same thing but from the bottom up. If your ankles can't dorsiflex, which is where you're pointing your toes up or bringing your foot up towards your shin properly in a squat, your heel comes up or your knees cave in to compensate for that force. Same sheer force, same outcome, usually in the internal part of your knee. So, before you ice your knee again, check your hips, check your ankles and figure out what's actually going on when you're squatting down. You can actually usually see your knees collapsing in when you're squatting if that's the problem.
So, here's what you do to protect your knees. The exercise for hip stability is a single leg glute bridge. Lie on your back, one foot flat on the floor, the other leg extended, and drive through the heel and lift your hips up off the ground. The single leg variation forces your gluteus medius to stabilize your pelvis and your hip drop from dropping to one side, which they will the first time you try this. That's the weakness that's been loading in your knee wrong time every time you squat down or walk downstairs. So, fix that and a surprising amount of knee pain will just disappear. It's almost offensive how simple it is.
Uh, the exercise for ankle mobility is wall ankle mobility drill. You stand facing a wall with your foot a few inches away, drive your knee toward the wall while keeping your heel flat on the floor, and measure how far your foot can be from the wall while still touching it with your knee. So, over time, it should be more and more. Less than four inches is a problem. If you do this daily, two minutes per side, your squat mechanics will change noticeably within a few weeks. What you'll notice is that people with really limited range of motion, they can't squat down all the way to the floor without their heels raising up off of the ground. This is a good way to check. There can be some limitations to this due to femur length and shin length and everything, but it's a good measure. Nobody ever thinks about their ankles until they can't squat properly and their knees are kind of screaming at them. So, think about your ankles, your knees will thank you in the end.
So, quick rehab note for those with existing knee pain: patellofemoral pain, or also known as runner's knee, responds really well to hip strengthening. If you have knee pain, um, this tends to be more on the outside of your knee, that's your IT band, and then your patellofemoral pain is kind of central. Um, if you have knee pain during squatting, try box squats to control the depth first and work on your single leg glute bridges like religiously and address your ankle mobility before adding load. Most of the time, the pain resolves without ever touching the knee directly. All right?
And then shoulders. Shoulders are the most mechanically complex joint in your body. They have the greatest range of motion of any joint, which is exactly why they're so susceptible to getting screwed up. The shoulder is basically like it's like a golf ball sitting on a tee for those who golf. I don't, because I tried it once and I was really bad at it, but that's kind of what your shoulder joint actually looks like, and it's held in place almost entirely by soft tissue. The rotator cuff, or um, the labrum, and a collection of muscles that most people have never trained intentionally in their life.
So, if we look at it, you have a bone that goes right here. This connects to your shoulder joint, and then you have a little bit of what we call a labrum, which sits right here, and it kind of cups that shoulder joint. And then you have some rotator cuff muscles that come from behind here, connect. They come from in front and they connect. You have some that come from down here to connect as well. These are known as the SITS muscles for the acronym that they build, but these muscles right here are your joint stabilizer muscles that almost nobody ever works out, and that is why this joint is so susceptible to getting injured because we have like nearly a 360-degree range of motion all the way around this joint. You can move it all the way around, right? And then people load a barbell on this aspect right here, and it generates a significant amount of force in that direction, and then they wonder why things go sideways. I mean, you're literally loading a ball with that much weight into an unstable joint.
And when these four muscles are weak or imbalanced, that ball starts migrating out of position. It impinges on structures that shouldn't touch. Tendons get compressed, things get inflamed, and eventually, something ends up tearing. The other piece is the thoracic spine. That is the mid-spine right here. If your mid-back is stiff and rounded, which it is for a lot of people right now 'cause they sit on desks like this or on their phones for eight hours a day, and and who you are, your scapula, otherwise known as your shoulder blade, cannot move properly. It has to be able to shift along your back. And if your scapula can't move properly, your shoulder mechanics are compromised, and every single like overhead pressing movement you do gets compromised from that.
So, here's what protects your shoulders. The first one is an exercise called face pulls. You use a cable or a band, and you pull it towards your face. You keep your elbows up high, and you finish with your hands beside your ears. This doubles for bicep work as well. This directly targets the external rotator muscles of the shoulders, and most commonly the most weakest and neglected parts of the rotator cuff. Most people who bench press have significant strength imbalances between their internal and external rotator cuffs, and face pulls kind of help fix that. Because they're pushing so much, they tend to strengthen this side, and then this side gets really weak. So, do these every single training session. They take maybe three minutes. They're not glamorous. Your shoulders will not care about glamour when you're still pressing pain-free at 60 years old. All right.
The next one is band internal and external rotations. You keep your elbow pinned at your side, and you pull on a band externally like this, and then you're going to put the band this way and pull internally. Controlled tempo both ways. This is the most direct way to strengthen the rotator cuff muscles in isolation, and it works both as a warm-up before pressing and stand-alone for strengthening work. If you're already dealing with shoulder pain, start doing that before anything else, before face pulls, before any pressing. Those two movements done consistently will address most common underlying shoulder impingement, cuff rotation, tendinopathy issues. They're very unsexy. They're slow, but they do work. All right. This is what I have prescribed for myself with shoulder issues, for my wife, for my mom. They work for everyone.
And then when we look at exercises for thoracic mobility, we look at thoracic spine rotations. So, you're going to get on all fours. You're going to place one hand behind your head, and you're going to rotate it up towards the ceiling as far as you can, followed with your eyes, and then coming back. This mobilizes the thoracic spine specifically, not the lower back, not the neck, and directly improves shoulder mechanics. Two minutes per side, every upper body session, that's the prescription. It costs nothing, and it fixes the most common underlying causes of shoulder pain in people who sit for a living.
Quick rehab note for those with existing shoulder pain: most rotator cuff issues, impingement, tendinopathy respond very well to conservative management before you consider anything else. Don't jump straight to a surgeon, don't jump straight to shoulder joint injections. Strengthen the external rotator cuffs, improve thoracic mobility, and temporarily reduce pressing volume like overhead press or bench press, and range of motion to pain-free zone. Most shoulder pain that isn't a full structural tear doesn't require surgery. It requires work that nobody wants to do because it's slow and unsexy, and it takes time. But, if you do it, it absolutely works.
All right, so let's talk about how to actually structure your training for both muscle and joint health long-term. I'm going to be straight with you here because this is one of those areas where the fitness world loves to sound more certain than the research actually is. So, let me tell you what the science actually says and what it doesn't.
So, what do we actually know about rep ranges and muscle growth? There are real, well-designed studies on this, and the finding is, honestly, that's surprising. When researchers compared heavy low-rep training to moderate and even lighter high-rep training for muscle growth, as long as the effort matched and you're working close to failure, the difference in muscle growth was actually really, really small across the board. So, in other words, you can build muscle with five reps, and you can build muscle with 15 reps, and you can even build muscle with 30 reps if you're pushing hard enough. The rep range matters much less than most people think it does. What matters is effort. Are you actually challenging the muscle? Are you getting close to failure, no matter the rep range? That's the primary driver of growth, not the specific number on the rep counter.
Now, strength is a different story, but stick with me here. When we have this drawn out, and we're saying that this is the reps outline, and we go down here and we got five reps, and up here we'll say we got 30 reps. What we just talked about is that you can grow muscle at basically anywhere along this line. But, traditionally, what we've thought of is down here we use this for strength, and up here we use for endurance, >> [snorts] >> and in here we use for what we call hypertrophy, or muscle growth, okay? But, what I just told you is that hypertrophy actually extends both ways, all the way. But, when we're talking about strength, that is a bit of a different story. If maximal strength is your goal, heavier loads and lower reps do win, and the research is really clear on that. But, for muscle size, the range is wider than the fitness industry has been telling you for decades. The typical teaching was you need to do eight to 12 reps if you want to guarantee hypertrophy, but that's not true. You can get hypertrophy from anywhere in this range, but if you're looking for strictly strength, you do need to stick kind of five to eight rep range, okay?
So, let me tell you what we know about rep ranges and joint health, though, because that's what you came here for. And this is where I have to be honest with you. The research here is much less definitive than it is for hypertrophy. We don't have long-term controlled studies that followed people for 10, 20 years comparing rep ranges and joint outcomes, because joint outcomes tend to be a long-term issue, where muscle growth can be a short-term thing. It's much easier to study. So, that research doesn't exist yet. What we do have is injury rate data and biomechanic research, and that data it shows that consistently training at very heavy loads, think one to five reps in this strength zone right here, at near maximal effort produce higher injury rates and more joint discomfort over time, even in experienced and healthy lifters. There's one study comparing a heavy powerlifting protocol, which is this lower rep range, to a moderate rep protocol, which you would typically find in the hypertrophy range, and the heavy group had more joint discomfort and higher dropout rate due to injuries. So, the evidence leans towards a moderate reps for more joint-friendly over time, but I'm not going to sit here and tell you that there's a definitive proven answer because there really isn't one yet. Anyone who tells you otherwise is overstating what the science actually shows. The practical takeaway is this: moderate rep ranges, we'll say eight to 15, appear to be the best balance between building muscle, building some strength, and keeping your joint stress manageable long-term. So, that's where I'd live most of the time. Occasionally heavier work in the four to six range is fine, useful even for bone density and connective tissue stimulus, but don't make it the foundation of everything you do, otherwise you're going to end up popping a tendon. And stay away from regularly training at absolute maximal loads, your joints will eventually send you a very strongly worded letter. Okay?
So, what about volumes? Talking sets, frequency, all of that. And here's where it gets interesting and where I want to share something I'm actually experimenting with right now. The traditional recommendation has always been like three sets per exercise, three days per week. That's a solid, well-supported approach. The research backs it up for building muscle and allowing adequate recovery. But there's a growing conversation in the training world about something called the 2-2-2 method. Two sets per exercise, two days per week, and each exercise is taken close to, but not all the way to, failure. Recent research is actually pretty supportive of this approach overall. There was one well-designed study that had trained lifters perform a single set of nine exercises twice per week, and it produced meaningful muscle and strength gains. Two sets would logically produce at least comparable results. The argument behind it makes physiological sense, too. Most of the muscle-building stimulus comes from those last hard reps close to failure. The first several reps of the set are basically just getting you to the point where the real work starts. So, if you get to that point efficiently with two hard sets rather than three or four easier ones, you've captured most of the growth stimulus with less total joint stress and more recovery between sessions.
Now, I have to be completely honest with you here, too. I literally just started this protocol myself about two weeks ago, and I can tell you it is the hardest I have trained in years. I thought when I went into it that if I was only doing two sets, that it would feel much easier. But, the thing is, eight exercises, two sets each, pushing close to failure on every single set, by the end I am absolutely smoked. Way harder than my typical three-set session. I think it's more mental because when you're doing two sets, you push very, very hard on both sets because you know that you don't have that much to do, and so you really are pushing towards failure, whereas on three or four sets, you kind of hold back on those first ones so that you can push hard on the last ones. But, I cannot tell you yet whether it produces better results. I haven't been doing it long enough to draw any conclusions. What I can tell you is that the effort level is very real. The research rationale is sound, and I'm genuinely curious to see about where this goes. So, my honest answer on volume is this: the research supports anywhere from one to three hard sets per exercise twice per week as a legitimate approach to building muscle. More volume than that can produce more growth, but it also produces more joint stress and requires more effort, and the results tend to taper off over time. So, for most people over 40 with real lives and real joints, less volume done with more intensity and better recovery is probably the smarter long-term play.
The five things that actually matter regardless of what your protocol you choose. Let's get them written down so you can see them.
Number one is controlling the eccentric portion of your exercise. Three seconds down every rep, non-negotiable for joint health.
Number two, train close to failure. Whatever rep range you choose, the last few reps need to be genuinely hard. That's where the stimulus is.
Number three, use full range of motion. Partial reps under load are a long-term joint problem waiting to happen. All right?
Number four, progress slowly. Remember, progress at the rate of your cartilage and your tendons, all right? Add load only when your current weight looks absolutely perfect, not when it just feels manageable.
And number five, respect your recovery. Connective tissue needs 48 to 72 hours minimum between sessions targeting the same joints. That's not a suggestion, that's biology. Your connective tissue needs longer to heal than your muscles do. Follow those five principles and the specific protocol matters a lot less than you think. All right?
Let's land this plane here. Here's the simple version of everything we just covered, 'cause I know this was a long video. Most gym injuries are predictable. They happen because muscles get stronger faster than connective tissue can keep up. Stabilizer muscles get ignored, and nobody does any of the mobility work until something's already hurt. Fix those three things, and you will train harder, longer, and with less downtime than probably anyone else that you know in the gym.
The specific things to implement starting with your next session: for your lower back, do Romanian deadlifts slow and eccentric and dead bugs every single week. For your knees, single leg glute bridges and two minutes of wall ankle mobility daily. That's it. For your shoulders, face pulls, band internal and external rotations before every upper body session, three minutes, no excuses. For your training structure, moderate reps, controlled tempo, close to failure, full range of motion, and every recovery, and enough recovery between sessions for your connective tissue to actually adapt. And before every single training session, do your mobility and stabilizer work first. Ten minutes, not optional, just make it part of what you do every single time. It's the thing that keeps everything else working long-term.
Which brings me to something I put together for you. I created a free joint protection warm-up, a 10-minute pre-workout routine that covers everything we talked about today. Hip mobility, shoulder prep, ankle work, deep core activation built into one sequence you do before you train. It's a free download in the description. Print it out, throw it in your gym bag, put it on your phone so you can pull it up, use it before every session. I literally do it before every session that I work out, and it has made tremendous improvements in how often I get injured.
And if you want to go deeper, if you want a complete training plan built around these principles, nutrition framework, community of people doing the same thing, the next Primal 60 Challenge is coming up. 60 days, everything mapped out, link is in the description. Also, don't forget to subscribe, please. If you've made it this far, if you've gotten any value out of this video, just hit subscribe. It helps me so much and you'll be able to see more of these videos that I put out. And watch this video next because it's probably better than this one, definitely shorter than this one. But anyways, until next time, keep moving.