CheekiBreekiFitness wrote: ↑Mon Jul 31, 2023 5:31 pm
DCR wrote: ↑Sun Jul 30, 2023 1:41 pm
Had a thought today that I think goes here. My opinion of high rep sets (by which I mean more than ten reps) always has been that they’re for dudes:
1) with great genetics;
2) on gear;
3) who already are big; or
4) some combination of the above.
I realized that I had been conditioned to think in terms of barbell movements, for which a set of, say, fifteen reps, requires a weight with which the initial rep is like @2 and the next few not much harder. In other words, junk. (Twenty rep squats are a notable exception because they’re done as breathing squats, i.e. rest/pause work. Idea is to use your 10RM, not a joke weight that you actually could lift twenty times uninterrupted.)
That is because with a barbell, some weak link quits first. That isn’t the case with machines, which isolate a muscle or muscles sans what otherwise would be the weak link. As such, with a machine - and this has been my recent experience - you can select a weight with which even the first rep is reasonably hard, and yet still bang out a set of twelve.
Bottom line, I think bodybuilders get results from and promote higher rep sets because (in addition to the genetics and gear) a lot (most?) of the work that they’re doing permits those sets to be nearly entirely made up of “effective reps,” and why wouldn’t you prefer fifteen effective reps over five.
I'm not sure about that, because in compound movements, some things suggest that the way that each muscle group is involved in lifting the load can change depending on the weight on the bar. For instance if you are squatting say 65% your quads will do most of the work and if you increase the load to 80% the other muscle groups will provide the additional force required to lift the load but your quads might not work much harder. So if you re only interested in contracting your quads as hard as possible working with 65% might be useful (I am assuming that we are talking about squatting for quad hypertrophy here).
Also 70% is lighter than a 10 RM usually, but many people mention strength gains from work at 70%.
Now I am also pretty sure that this is individual, you probably have people who respond to lighter work and people who do not.
I also believe that effective reps dont really exist but that the topic for another discussion.
Regarding effective reps, I’m talking solely in terms of hypertrophy; I’ll leave strength to people much stronger than me. That said, I subscribe to Dan John’s concededly hand wavy idea of heavy weights, a lot of times (as opposed to light weights a lot of times or heavy weights a few times).
For me, that always has meant, and success mostly has come, in the 6-10 rep range, for a few sets at or near failure depending on the movement. I think a lot of folks would see more muscle sitting there in a double progression over an extended period of time, versus the very large majority of what’s on the internet. Fewer reps is heavy weight a few times (and lots of extra sets never did anything but put me to sleep); more reps is light weight a lot of times. YMMV.
I understand that there are studies regarding the use of much higher rep sets to failure. I unscientifically dismiss them as horse shit for the reason provided by someone above: if that worked, successful bodybuilders would be doing it. I also understand that brick layers and whomever get some very impressive forearms, for one example. Unfortunately, doing, say, 5x20 wrist curls is not the same thing as eight or more hours a day of work for a decade.
All that I’m suggesting in my initial post above is that machines, either for the reason that I suggested or some other reason, do allow for useful
somewhat higher rep sets in that they permit a set of a certain number of reps (again, say 12) to
begin with a comparatively more difficult weight than one would be able to select with a barbell or dumbbells in attempting that same number of reps. I’m curious as to
@dw’s opinion on this idea. I think a lot of folks suggest higher reps on machines just because you can - there’s no danger of injury with form breakdown - but I think that there may be more reason for it.
@CheekiBreekiFitness, I think that you make an interesting point regarding the use of different muscles at different points in compound movements. (If one has never felt one’s glutes during squats, a few sets of 20 will be eye opening.) That said, if one has a hard time leaning on their quads throughout a set, I think it would be far more efficient to hammer them with something more pinpointed, whether front squats or any number of machines, rather than hope for the best on the first few easy reps of a set in which you know they’re gonna lag.
5hout wrote: ↑Tue Aug 01, 2023 7:29 am
Time under tension works just fine as a way of planning training b/c it convinces people to shut up and lift. You need to provide a stimulus, and people spend way too much time doing anything but providing stimulus to their muscles. Same for tonnage. Same for "real volume". Some of effective reps. Anything that convinces people to go in the gym and lift, instead of sit around with weights on the bar/phone in hands.