I just rest till I feel ready for the next set, around 1-2 minutes usually but never timed.
Squatting and dead-lifting and such, it's normally the time it takes to change the plates, have a drink of water and then I'm good to go.
Of course when I'm huffy puffy after a particular set I will wait until reasonable breathing is restored.
I don't time it but I take a quick glance at the clock so I don't over one minute, if I'm right after thirty seconds I'll go.
If I'm able- I will go directly, without stopping to the next exercise, that is my aim, and ultimately how I like to train.
The reason I (roughly) follow a time between sets is to maintain a similar level of intensity as the weight progresses. What I found initially was as the weight went up, my rest times did as well, so to some degree there was some false progress built in there.
I’ll make this statement first which will become clearer to all as you read further. Bodybuilding is a muscle sport, where weightlifting is a nervous system sport. Now let’s move on to the rest intervals between sets.
The recovery of one’s power output is relative to one’s rest intervals between sets. This is more imperative in weightlifting than it is in bodybuilding I feel.
Recovery Time of 15 sec = Peak Power Output of 68.7%
30sec--------------73.6%
45sec--------------78.1%
60sec--------------81.0%
120sec-------------88.2%
180sec-------------92.2%
http://www.brianmac.co.uk/energy.htm
One has to be mindful of his chosen sport’s requirement when it comes to rest intervals between sets. For example, a weightlifter (as I’ve stated above) is interested in lifting big instead of looking big. A bodybuilder on the other hand ought to be concerned with the way he looks above what he can lift. What determines the rest factor is the sport.
Weightlifters need between 3-5 minutes rest between sets, and they usually take them whilst sitting down. Bodybuilders need less time to recover since their repetitions do not call for anything below the 5 reps mark (where neural drive is the dominant factor, i.e. plenty of pressure on the CNS). Muscles can replenish their energy enough to smash another set within 60-90 seconds of rest intervals.
Furthermore, a bodybuilder would not want to wait until full recovery has been reached before diving into another set… why? Because you want the muscle to cry from your applied effort, and one way for that effort to be realised would be for you to take just enough time to recover your working muscles. I mentioned that over here: Fadi on muscle fibres & more...
So in a nutshell, higher reps exhaust the muscles of their available fuel, whilst low and heavy reps mainly overload the CNS. Now you know why I made the first statement I did in regards to these two different sports.
Every bodybuilder would agree on one universal method, and that is the method of gradual progressive overload. Well, one of the overload method is playing with the time factor instead of (as usually is the case) the adding of more weight to the bar. Overload should not be understood as the adding of more weight all the time (although weight is but one part of overload), but in addition, the time factor between sets is just as important within the overload principle as the gradual weight increase one makes as time passes by.
Example:
Week 1: barbell curling 40kg 4x8 with a rest interval of 90sec
Week 2: same weight same reps but 75 sec rest
Week 3 or 4: same weight same reps with 60 sec rest
Week 5: as above but with 45 sec
Week 6, 8, or 10: as above but with 30 sec
Once 30 sec is reached, you increase the weight by 2.5kg and start again with 90sec. That was time factor overload.
Fadi.
Thankyou Fadi, that was the answer that I was hoping for as it explains the 'why' of it all.
Now a question: To be consistent in my training is it fundamental that I time my rest intervals between sets, especially when trying to bodybuild as opposed to strength train?
I ask as I know it is used as a way of progressive overload (explained in your post), but if just adding weight for the progressive overload should one keep rest intervals the same all the time.
Or am I complicating things to much?
Graeme
Fadi, thanks for your post, was helpful.
Your squatting muscles after 8 minutes of not squatting would have had an 8 minutes of rest, yes... so would have your CNS (after 4 or so minutes)In terms of resting CNS between 'powerlifting' sets, is CNS loading/recovery specific to particular muscles/exercises?
I.e. I do a set of squats, rest 4 min, do a set of pull ups, rest 4 min, do a set of squats.
Now, my squatting muscles have had an 8 min rest, but as far as the CNS goes, has my squatting musculature had an 8 min rest or a 4?
Is the load on the CNS location/muscle group specific, or is it general - i.e one-level for the whole body
Hope that makes sense
You're welcome Graeme, and no, you won't be complicating things if you know and enjoy the methodology behind what you're doing Sir. I have a clock on the wall with a big "seconds" hand that I follow during my training. The reason I do do that is to maintain consistency of effort.
Coming to the second part of your question where weight is used as the overload factor, I would still aim to be consistent with my timing. Let's say on week one you squatted 150kg for 10 with a rest period of (say) 2 minutes. Come week two, you up the weight to 155kg x10 but now you could only manage that if you took 3 minutes between sets. Would that be a progression? Well yes, but not an absolute/true progression if interval times were maintained. That does not mean it's bad, it just means that it's not a true and overall progression. Looking on the positive side Greme, now you have something to work with, i.e. the time as well as the weight. So week three rolls along, and you opt to remain on 155kg (because that's all you could hande with good form), but to make some form of progress, you aim to shave few seconds off your rest intervals, irrespective how small the increment is. So 155kg x10 with 2 minutes and 50 seconds break would be viewed by your muscles as a higher effort that demands further adaptation from them, and that = progress.
Please keep in mind that we progress in bodybuilding in fractions of a millimeter which all adds up over time, hence my emphasis has always been on consistency of effort over all other aspects of training.
Now be prepared to be laughed at by the camp that does not follow that way of training. But like I've always said, there needs to be more respect and more open mindedness between different camps of bodybuilders who incidentally do things very differently yet succeed in achieving their goal of muscle hypertrophy nonetheless.
I hope that helped Graeme.
Fadi.
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