Hypertrophic Principles of Upper Lower Without Rest (Podcast) — Transcript
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- 0:03I've been expecting you.
- 0:05Welcome
- 0:06to my classroom.
- 0:10Hey, pay attention. This is
- 0:14how to look sick as
- 0:18101.
- 0:20I want to preface this by saying I'm not
- 0:21here to say any specific sources. I've
- 0:23come to these conclusions already based
- 0:25on the data that I've seen, the podcasts
- 0:28I've listened to,
- 0:30um and I've also implemented that or
- 0:32integrated it in with what I've learned
- 0:34through college, anatomy, physiology,
- 0:36exercise physiology, etc. So, to me, um
- 0:40this always make the most sense how I'm
- 0:41about to explain things, and a lot of it
- 0:43relies on the actual mechanisms of
- 0:45muscle growth rather than a bunch of
- 0:47[ __ ] outcomes, right? Because
- 0:50I mean, you can walk outside and eat a
- 0:51block of cheese when it's raining, and
- 0:53then, you know,
- 0:54cite data saying, "When I eat cheese, it
- 0:57rains outside." Right? That's what an
- 0:59outcome is rather than the reason why
- 1:02things occur.
- 1:03Um so, that's why it's important to
- 1:05understand the why things work and not
- 1:08just look at
- 1:10outcomes from data.
- 1:12>> [snorts]
- 1:12>> Anyway,
- 1:14my training philosophy is based in low
- 1:16volume and higher frequency, so at least
- 1:19two times a week,
- 1:20preferably
- 1:22slightly more.
- 1:24So, why is lower volume better? First,
- 1:28let's talk about muscle protein
- 1:30synthesis versus
- 1:31myofibrillar protein synthesis. So,
- 1:36MPS, which is just the overall muscle
- 1:38protein synthesis, that's active during
- 1:40any kind of muscle tissue repair, right?
- 1:42It can be from just bouts of uh it can
- 1:45be from running, like literally any
- 1:47exercise at all. It can be some some
- 1:49cardiovascular endurance-based training.
- 1:51It does not have to be from lifting
- 1:52weights. Um
- 1:54myofibrillar protein synthesis on the
- 1:56other hand, or myops, is more specific
- 1:59to hypertrophy because myops refers to
- 2:02what's occurring within the actual
- 2:04myofibrils of a muscle cell, right? So,
- 2:06the contractile units, not the overall
- 2:08muscle cell.
- 2:09So,
- 2:11let's say we do one set in the gym,
- 2:14right? We're going to get
- 2:17on this This is a graph, by the way.
- 2:19Uh dotted line is going to be myops,
- 2:21straight line will be muscle protein
- 2:22synthesis.
- 2:24So, we do a set in the gym,
- 2:26get a good spike in myops,
- 2:28okay?
- 2:29But, with that,
- 2:31we're also going to get some
- 2:33muscle protein synthesis.
- 2:35Yeah, you can see.
- 2:38Do another set, you know,
- 2:40maybe
- 2:42you get a little bit more myops. So,
- 2:45at set two, myops is
- 2:48gets a little bit more, muscle protein
- 2:50synthesis
- 2:51going to keep going up.
- 2:53Do a third set,
- 2:56myops
- 2:57is going to go up a little more,
- 3:00muscle protein synthesis is going to
- 3:01keep going up.
- 3:04You do a fourth set, myops is going to
- 3:07go up
- 3:08and maybe like maybe 10 or 11 more,
- 3:11muscle protein synthesis is going to
- 3:12keep going up.
- 3:14And then, you keep doing more and more
- 3:16sets, your myops, right, is going to
- 3:18kind of just
- 3:20flatline. Your muscle protein synthesis
- 3:22can keep going and going and going and
- 3:24going and going
- 3:26off the damn chart, right? It's not
- 3:28necessarily indicative of actual
- 3:32contractile tissue growth, okay?
- 3:36So, that's why there are studies that
- 3:38say, "Oh,
- 3:40if I do a ton of volume, the these
- 3:42individuals who did
- 3:448 million sets, right? Their muscle
- 3:46protein synthesis just kept going up and
- 3:47up and up and up and it stayed elevated
- 3:49for weeks." You know why? Because their
- 3:51muscles are trying to recover because
- 3:53you've created so much muscle damage,
- 3:56not hypertrophy, that yes, your MPS is
- 4:00going to stay very high for a long time.
- 4:04So,
- 4:05what happens after you give it this
- 4:08stimulus, right?
- 4:10is if you can do a ton of sets,
- 4:13your MPS is going to return back to
- 4:16baseline. Now, that would usually occur
- 4:19within
- 4:2148 hours, maybe like 72.
- 4:24Um but once it returns to baseline,
- 4:27atrophy begins. Your Your body does not
- 4:29have a process where you're able to just
- 4:32maintain muscle. Muscle growth is very
- 4:34binary. You're either growing or you're
- 4:36atrophying. Now, obviously the rate of
- 4:38atrophy
- 4:40um
- 4:41is not It's not crazy fast, right? It
- 4:43gets faster
- 4:45uh the longer you go without giving a
- 4:46muscle
- 4:47its proper stimulus,
- 4:49but it occurs a lot faster than people
- 4:51think.
- 4:53And so,
- 4:54given this fact, right? Your MPS is
- 4:56going to return to baseline,
- 4:58atrophy is going to start. And so, while
- 5:01your muscle is literally atrophying in
- 5:03contractile filaments,
- 5:07your muscle is Your Your whole muscle is
- 5:09still recovering from muscle damage. So,
- 5:12you're not getting muscle protein
- 5:13synthesis towards building that muscle.
- 5:15Your muscle is just trying The muscle
- 5:17cell is just trying to recover whilst
- 5:20you are literally atrophying still.
- 5:22Um there's a lot of immobilization data,
- 5:24other things that support this. I can go
- 5:27back and and dig all those up. I don't
- 5:29know But this isn't that kind of video,
- 5:30right? I'm not trying to prove to you
- 5:31anything. This is just the reasoning
- 5:32that I have come to
- 5:35and why I train the way I do.
- 5:37So, in essence, on a graph, right? If
- 5:40you take a low volume group
- 5:42and you look at the time
- 5:46versus protein synthesis occurring,
- 5:48right? So, in this one,
- 5:49um you can see that myops and MPS uh
- 5:53come back down to baseline at about the
- 5:55same time, which is more favorable,
- 5:58right? Because that means muscle damage
- 6:00has been repaired as well as
- 6:04you know, the stimulus of actual muscle
- 6:06growth coming back down. Whereas in this
- 6:08graph, right, the stimulus for growth
- 6:11has now returned to baseline, and now
- 6:14you are still recovering from muscle
- 6:16damage, even though maybe with more
- 6:18sets, arguably, maybe you can eke out
- 6:21like a tiny bit more myops. But, it's
- 6:24all about balancing stimulus to fatigue,
- 6:26right? It is a net stimulus model.
- 6:31I did not coin the term weekly net
- 6:33stimulus model. I'm not taking credit
- 6:34for that. Um
- 6:36but that's one word people use to
- 6:39describe it.
- 6:40We know that the only thing relevant for
- 6:42muscle growth is mechanical tension,
- 6:44okay? I'm not debating that. Muscle
- 6:46damage is a load of crap.
- 6:48I can go run a marathon, create a ton of
- 6:50muscle damage, recover from it, and I
- 6:52won't grow anything, okay? Look at
- 6:54marathon runners. Their legs are not
- 6:56big.
- 6:57And now that we've put into context
- 6:59muscle protein synthesis versus myops,
- 7:02why we care about myops instead of
- 7:03muscle protein synthesis,
- 7:05um there's also plenty of data to show
- 7:07muscle protein synthesis does not have
- 7:09to be um
- 7:12even elevated for myops to occur, which
- 7:14is crazy, right?
- 7:16So, the point of diminishing returns
- 7:18happens a lot more quickly than people
- 7:21think. And I can go on a separate
- 7:23tangent about fatigue.
- 7:26Maybe I will later in the video.
- 7:28Um
- 7:29but in ensuring that muscle damage and
- 7:33recovery has subsided by the time that
- 7:36myops returns to baseline, you're able
- 7:38to give yourself another
- 7:40very efficient bout of stimulus without
- 7:43worrying about the recovery demand
- 7:45impacting the ability to give that
- 7:47stimulus. Right? Because we know if
- 7:48you're recovering still from muscle
- 7:50damage, you're not really going to be
- 7:51able to give the same kind of stimulus
- 7:53to the muscle you want to work.
- 7:55And so what we're doing essentially is
- 7:56we're cutting out the middle man of
- 7:57fatigue. So,
- 7:59muscle protein synthesis and myops come
- 8:01back down, you can give yourself another
- 8:03spike throughout the week, right? Just
- 8:05give yourself spike after spike after
- 8:07spike after spike and efficient myops,
- 8:10not just a bunch on one day
- 8:15and then you have to wait it out to
- 8:17recover.
- 8:18You're basically constantly fighting um
- 8:21your body's adaptation, right? You're
- 8:23You're fighting to keep these
- 8:24adaptations. A lot of the ways that our
- 8:26body works is rooted in evolution.
- 8:28It's very inefficient and metabolically
- 8:30expensive to keep muscle. So, what you
- 8:31You are You are literally fighting your
- 8:34body's biology to keep the muscle and
- 8:38you have to do that as frequently as
- 8:39possible because atrophy occurs
- 8:43very quickly as well.
- 8:45So, this is why we do low volume and we
- 8:48do high frequency so that we can just
- 8:51keep giving ourselves stimulus, comes
- 8:53back down, stimulus, comes back down,
- 8:55and we're not worried about the fatigue
- 8:57aspect or or muscle damage.
- 8:59Now, a couple words about fatigue.
- 9:02Fatigue is not just feeling tired, okay?
- 9:05It's It's negative physiological
- 9:06feedback that your your brain picks up
- 9:09that you cannot avoid. It's not
- 9:11something you can just bypass.
- 9:14And when we train, we accumulate fatigue
- 9:17within a session and post session. Um
- 9:21there are a ton of mechanisms at play. I
- 9:24don't need to get super deep into the
- 9:26physiology behind a lot of it cuz I just
- 9:28I think it's going to overcomplicate it
- 9:29unnecessarily. I would never program
- 9:31more than two sets for a given exercise
- 9:35because I think right around then you
- 9:36start to get the
- 9:38um
- 9:39diminishing returns for sure, especially
- 9:41if you want to keep your frequency high.
- 9:43Again, right? Arguably, you can still
- 9:45get a little a little more stimulus, but
- 9:47you're going to be creating a lot more
- 9:49muscle damage beyond a certain point.
- 9:52And that point occurs very quickly,
- 9:55especially when you're training very
- 9:56hard. I'm trying not to overcomplicate
- 9:58things, but there's just so many little
- 10:00nuances and things to take into account.
- 10:02It's like, "Woo."
- 10:05All right. So, what I personally do is
- 10:08an upper lower split without rest unless
- 10:10I have to.
- 10:13I would not recommend that.
- 10:16I just I can't take rest days. So,
- 10:22this is the way that I found I can see
- 10:24the best results and still train all the
- 10:25time. It's super fun. I'm just in an
- 10:27infinite cycle of upper lower upper
- 10:29lower upper lower. So, that's that's
- 10:30Yeah, so the golden rule is to load each
- 10:32joint action with at least four or maybe
- 10:35six sets for a given week. Um but you
- 10:38have to remember which muscles are
- 10:40active and some of that overlap because
- 10:42it will play a significant role. So, you
- 10:44know, think of something like the lats,
- 10:46right? The whole lat is active on a lat
- 10:49pulldown,
- 10:50but, you know, prioritizing shoulder
- 10:53adduction is going to be a little bit
- 10:55more lower lat, whereas shoulder
- 10:57extension is going to be slightly more
- 10:59upper lat. And so, I would say if you
- 11:03want to be very maximalistic about it,
- 11:05on every single upper day, you do one
- 11:07set of each exercise for the specific
- 11:09joint action, so that you can
- 11:12um
- 11:13account for a bit of that overlap cuz
- 11:15there are I mean, obviously, you're
- 11:16still mainly training the same overall
- 11:17muscle, it's just slightly different
- 11:19regions.
- 11:20Same thing with the chest, right? When I
- 11:22do an upper chest movement,
- 11:24I'm doing some kind of shoulder flexion
- 11:27um with slight adduction.
- 11:30And then when I do, you know, something
- 11:32like a pec deck, I'm prioritizing
- 11:34horizontal adduction, um which I'm going
- 11:37to get a little bit of upper chest
- 11:38activation, but mainly,
- 11:40you know, uh mid chest. So, throughout
- 11:43the week, right, I'm kind of rotating
- 11:45between either doing
- 11:47two sets of a joint action that will hit
- 11:51every region of the muscle, or on a
- 11:54given upper day, I might do one set and
- 11:57one set. It just depends on how long
- 11:59it's been since you've hit that specific
- 12:02joint angle. Because we know that
- 12:03atrophy happens very quickly, so because
- 12:06hypertrophy is specific to the fibers
- 12:08that are experiencing the highest
- 12:10degrees of mechanical tension,
- 12:13we don't have to worry as much on a
- 12:16higher frequency upper lower split about
- 12:18atrophy occurring within those specific
- 12:20fibers for that given joint angle,
- 12:22right? So, um I'm just going to use the
- 12:24lats here cuz it's very easy to do so.
- 12:26If I were doing something like an upper
- 12:28lower rest, upper lower rest, etc. And
- 12:32let's say like, you know,
- 12:34I hit two sets of a wide grip here, one
- 12:37set of a sagittal movement, right? This
- 12:38is in the sagittal plane, shoulder
- 12:40extension. If I was to do that, like a
- 12:41close grip thing, and then a wide grip,
- 12:44so I balance biasing the upper and lower
- 12:46fibers of
- 12:47the lats, and then I go back to a two
- 12:50sets of a wide grip on the next upper
- 12:52day.
- 12:54That's a lot of time before [snorts]
- 12:57I would then hit these specific fibers
- 13:00in a single arm lat pull down again,
- 13:02right? A lot longer than if I were to
- 13:04just do
- 13:05upper lower, upper lower, upper lower.
- 13:09Yes? Does that make sense? So,
- 13:12I think if you train that way with rest
- 13:14days on your upper and lower days, um
- 13:17you can get away with a little bit more
- 13:18volume, and you also don't have to worry
- 13:21about leaving a rep in reserve. I would
- 13:23say if you do what I do with upper lower
- 13:25without rest, you need to leave a rep
- 13:28reserve on some sets. I would definitely
- 13:31recommend it. Just experiment a little
- 13:32bit, throw it in there.
- 13:34Um
- 13:36Again, this is just kind of an overview.
- 13:38But as far as like indirect work for
- 13:40secondary muscles goes, I do not count
- 13:42that in my volume.
- 13:43Um I do not count back training towards
- 13:45biceps. I think if you do that, you are
- 13:47doing something horribly wrong.
- 13:49Um same with triceps and chest, like any
- 13:51of that. I think that's a load of
- 13:52garbage. You do have to keep some of
- 13:54these overlaps in mind and nuance it a
- 13:57lot more when you do upper lower with no
- 14:00rest days, right? Because the fatigue
- 14:02cost is going to be greater than if you
- 14:06were to actually take programmed rest
- 14:08days.
- 14:09Sometimes if I'm doing something like a
- 14:10shoulder press on a given day, right?
- 14:12I'm going to be mindful of when I train
- 14:15shoulder flexion for the upper chest
- 14:16because that's going to destroy my front
- 14:18delts. So maybe on that day,
- 14:21um where I have a shoulder press
- 14:22program, I could do something like just
- 14:24doing a pec deck. And then the next
- 14:26upper day,
- 14:27um
- 14:28I can do one set of a pec deck and then
- 14:30one set of an upper chest thing.
- 14:32And by only having 48 hours between
- 14:34that, I know that uh
- 14:37my upper chest fibers are not going to
- 14:39atrophy that much just because
- 14:41um that prior workout, I did not hit it
- 14:44specifically.
- 14:45Right? And they're also getting a slight
- 14:47indirect stimulus from pec deck. So a
- 14:49lot of these things are very, very
- 14:51nuanced.
- 14:52In summary,
- 14:54with upper lower on a higher frequency
- 14:57without rest days, I don't have to worry
- 14:59as much about training those specific
- 15:02joint actions because those fibers will
- 15:05not experience as much atrophy as
- 15:10if I were doing upper lower with rest.
- 15:13If they're doing upper lower If I was
- 15:14doing upper lower with rest days, I
- 15:15would worry a little bit more. So
- 15:17basically, as I go throughout the week,
- 15:19I'm I'm rotating all these exercises
- 15:21here and there. I just like, you know, I
- 15:23look at my notes, I'm like, "Okay, did I
- 15:25hit this joint action last time? Oh, I
- 15:27didn't do any direct work for these
- 15:29specific muscle fibers. Okay, I'll throw
- 15:31that in this workout." And then if I did
- 15:33do that the workout before, then I'll
- 15:34say, "Eh, it's fine. I don't need to
- 15:37worry about hitting the specific fibers.
- 15:39I can mitigate that atrophy a little bit
- 15:41just by hitting the overall muscle um
- 15:45and prioritizing maybe, you know, a
- 15:48different part of that same muscle, if
- 15:51that makes sense. Not all joint actions
- 15:55are created equal within the same muscle
- 15:57regions if if a certain part within a
- 16:01muscle group or muscle does not have the
- 16:05same attachment. So, let me explain,
- 16:09right? If I'm hitting hamstrings, the
- 16:11whole hamstring except for the biceps
- 16:14femoris short head, I believe, is
- 16:17trained when you do a stiff-legged
- 16:19deadlift. So, in order for
- 16:22my biceps femoris short head to not
- 16:25atrophy,
- 16:26um I'm making sure that I hit a
- 16:29stiff-legged deadlift on one hamstring
- 16:32focus day, and I do at least, you know,
- 16:35just throw in one set of a hamstring
- 16:37curl. And then on the following lower
- 16:39day, I'll do two sets of a hamstring
- 16:41curl,
- 16:42but not work on the hinges.
- 16:45So,
- 16:46I'm making sure the biceps femoris short
- 16:48head's not experiencing any atrophy, um
- 16:51and still benefiting from high
- 16:52frequency. Same thing goes for the long
- 16:54head of the triceps, right? Because the
- 16:56long head of the triceps does shoulder
- 16:59extension, if I do a movement that
- 17:01involves shoulder flexion, right? Think
- 17:03of a press or like a JM press,
- 17:05the long head of the tricep is shut off,
- 17:08and it's not active, um because you're
- 17:10creating antagonist joint torque at one
- 17:14part of the tricep by doing shoulder
- 17:16flexion. Like, think of a rubber band,
- 17:18right? You're like stretching it at one
- 17:20end, but then you're shortening it at
- 17:22another. So, nothing's happening. It's
- 17:24not producing any any work because
- 17:26you're performing the opposite joint
- 17:27action at one end of the muscle in this
- 17:30in this long head specifically. So, if
- 17:32you want the long head to benefit from
- 17:33high frequency,
- 17:35right? Let's say one upper day I do one
- 17:37set of a JM press and one set of a, you
- 17:39know, normal rope extension.
- 17:42Right? Cuz a rope extension will hit all
- 17:43heads of the tricep, but also hit the
- 17:46long head. The next upper day, I'll just
- 17:47do two sets of a rope extension with no
- 17:50JM press, and that's going to hit all of
- 17:51the tricep heads.
- 17:53Again, these are very slight nuances.
- 17:55Um, I would not worry about trying to
- 17:57bias little things like that.
- 17:59Um,
- 18:00especially if you're newer to training.
- 18:02It matters a lot more if you're really
- 18:03trying to squeeze out the last bit of
- 18:05recruitment you can from those those
- 18:07those specific fibers, you know what I
- 18:09mean? When like biasing stuff. So,
- 18:10another thing with upper lower is
- 18:13what matters the most in terms of what
- 18:15you want to prioritize is how you
- 18:16sequence things.
- 18:18Um, personally, you know, I leave arms
- 18:19for the end for instance of every upper
- 18:21day because I know that that's a strong
- 18:23point for me, but
- 18:26I do rotate through having a different
- 18:27focus on every upper day
- 18:29um to
- 18:31maximally recruit those top end muscle
- 18:33fibers. So, I have one day where I do a
- 18:35shoulder focus, one day where I do a
- 18:37back focus, and one day where I do a
- 18:39chest focus. And all I'm doing, I'm not
- 18:40adding more volume. I'm just hitting it
- 18:42earlier in the session. The upper and
- 18:44lower days that I post I I do exactly as
- 18:47shown with that exact rep scheme.
- 18:50I can talk about a couple other things,
- 18:52right? Like rep schemes. Uh, we know
- 18:55that
- 18:56with things like fatigue, higher reps
- 18:59are going to give you more of that
- 19:00typically for no additional benefit
- 19:03unless you are so stupid that you can't
- 19:06standardize your form with low reps.
- 19:11I hate when people say that. like Oh, uh
- 19:14uh volume is bad because like you can't
- 19:16standardize your form if you do lower
- 19:17reps. Like
- 19:19Okay, then just standardize your form.
- 19:21Don't be an idiot. But lower volume
- 19:23allows us to preferentially bias those
- 19:26harder to recruit muscle fibers that are
- 19:28only turned on during the highest
- 19:29degrees of effort. So, by um decreasing
- 19:33our perception of effort, you know,
- 19:34picking stable exercises, lower rep
- 19:37ranges, you know, maybe like the four to
- 19:39seven-ish range. That's usually what I
- 19:40stick to.
- 19:41Um
- 19:43you are allowing your body to send a lot
- 19:45more of that effort perception towards
- 19:49your actual set, right? So, you're able
- 19:51to get more what we call motor unit
- 19:53recruitment, which just refers to the uh
- 19:56body's like the degree of neural drive
- 19:58you get to the muscle because it'll at
- 20:00the end of the day it is all
- 20:01neuroscience, truly.
- 20:03And our brain has finite resources,
- 20:06right? If we could just train every
- 20:09muscle at the same time we would, but
- 20:10you can't do that because of your
- 20:13perception of effort.
- 20:14So, in preferentially biasing those type
- 20:162X fibers to the max, which, you know,
- 20:18they experience atrophy quickly, like
- 20:20all that, you're going to be growing a
- 20:21lot more than if you're doing a bunch of
- 20:23garbage volume um and using muscle
- 20:25fibers that are lower down the motor
- 20:27unit pool.
- 20:28Now, when I say the word motor unit
- 20:29pool, that just refers to um
- 20:35every level of muscle fiber that is
- 20:37recruited based on
- 20:39how much neural drive is going to them.
- 20:42And so, something like a type one fiber,
- 20:43which is aerobic, right? Used for things
- 20:46like running, day-to-day exercise or
- 20:48activity, they are always active and
- 20:52they will be maximally recruited every
- 20:53time that you maximally recruit type 2X
- 20:56fibers.
- 20:58But on the flip side
- 20:59trying to max out lower down muscle
- 21:01fibers
- 21:03is going to give you a very quick point
- 21:05of diminishing returns because they are
- 21:07maxed out very quickly and sure they
- 21:10have some capacity for growth.
- 21:14And now you know muscle fibers like it
- 21:15is a spectrum from type one to type two
- 21:17X.
- 21:18They're still there's no point in trying
- 21:19to go lower down the motor unit pool to
- 21:22bias those fibers when
- 21:24they're going to grow regardless
- 21:27and you could be spending that time
- 21:29instead maxing out your type two X
- 21:30fibers which have a lot more capacity
- 21:32for growth
- 21:33and as a byproduct
- 21:35the all the other muscle fibers will
- 21:36still be getting good enough stimulus to
- 21:38grow.
- 21:39But yeah, the fiber type argument is
- 21:41another reason why lower volume is
- 21:42better and why we don't need to bias
- 21:45those lower down fibers and we want to
- 21:47maximize our motor unit recruitment
- 21:49because you cannot get maximum motor
- 21:51unit recruitment if you have a lot of
- 21:52fatigue and muscle damage built up that
- 21:54you need to also recover from.
- 21:56And if there is a specific muscle region
- 21:58that you want to bias
- 22:00then make sure you are giving it proper
- 22:01frequency and the proper stimulus to
- 22:04grow. I think that
- 22:06that about sums up why I do upper lower
- 22:09six days a week um very low cortisol
- 22:13split and I get to train every single
- 22:14day and do all the optimal low volume
- 22:17[ __ ] without all the fatigue. I can get
- 22:20into each of those specific mechanisms
- 22:22more in other videos. This is just kind
- 22:23of a scatterbrained ramble. Thanks for
- 22:26watching. I'm going to see you Alex in a
- 22:27couple days
- 22:28and um
- 22:29I also have a full presentation on
- 22:31neural mechanical matching that I made
- 22:33back at college. So if you all want to
- 22:36see that badly enough I'll drop it. It
- 22:38basically just refers to
- 22:40um
- 22:41training muscles where they have the
- 22:42best leverage and why and
- 22:46guess it's more like analyzing
- 22:47biomechanical stuff but
- 22:50yeah.
- 22:51Hope this helps and um hope you guys
- 22:53study cuz there's going to be a quiz at
- 22:55the end of my semester. There's no
- 22:57summer break around here.
- 23:01Thanks for watching.
- 23:05I could also talk about central nervous
- 23:07fatigue, which I didn't really
- 23:10because my split kind of ignores that a
- 23:12little bit.
- 23:13But again, when you're doing less
- 23:14volume, you're not building up as much
- 23:15central nervous fatigue. I don't know. I
- 23:17think a lot of that is overstated.
- 23:22If you're not familiar with what central
- 23:23nervous fatigue is, basically when
- 23:26muscle damage is present, your body has
- 23:28receptors that pick up that damage
- 23:32and they send that signal through your
- 23:33bloodstream.
- 23:35Those those, you know, those
- 23:36inflammation signals through your
- 23:37bloodstream to
- 23:38your brain and your brain's like, "Eh, I
- 23:40don't want to train as hard now because
- 23:42of that muscle damage I have to repair."
- 23:45Which is why usually
- 23:47I would advocate for taking rest days.
- 23:51Which is why I think
- 23:53like it's better to take rest days than
- 23:55not at all.
- 23:58But if you're doing already like pretty
- 23:59low volume you're probably going to have
- 24:01less muscle damage to recover from in
- 24:03the first place, um thereby not having
- 24:05as much central nervous fatigue. You're
- 24:07getting less of those signals, less
- 24:09infla- inflammatory signals, right? Um
- 24:12so because the way CNS fatigue works is
- 24:15even if I do like biceps the day before
- 24:18and then I go hit legs the next day your
- 24:20brain is still going to be detecting
- 24:22those signals of inflammation from the
- 24:23muscle damage in your biceps and so
- 24:25you're going to get less recruitment
- 24:27that your brain is able to give and
- 24:28allocate towards your quads.
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