More reps, more endurance. Low reps, more strength.

The age old question that has been answered (by me and asked by myself) a million times over. What was bothering me was that my friend mentioned to me that he is on a plyometric routine called "air attack". And i mentioned to him that since he was going to be coming to the gym for his new years resolution that he should join in on my rugby training (changes with the season, but from now until January im doing a gain stage, eating more then i burn, lifting heavy and low reps) and then out of no where he mentions how he will be doing not 10... 20... or even 30 or 40 reps, but he'll be lifting for 50 reps a set!!! :eek: lifting at 30% of his capacity
Can somebody explain to me how being able to lift for 50 reps increases absolutely anything; endurance or strength?

eg: hypothetically he can dumbbell press 80 pounds (40 x 2) for 10 reps, by his calculations from wherever he got this, he'd be pressing 24 pounds (12 x 2) for 50 reps!

Seems to me this is completely useless. Or is it? Explain please!
Interested in the science as much as the common sense.

:confused:
 
His reasoning was to develop muscle memory... apparently you get a feel for the activity that you are doing: and somehow those 2 lines rite there help to develop and build muscle fibres quickly. Lifting 50 reps, he says, is following the ol' saying "Practice Makes Perfect"... that was all the reasoning that he gave.

So, after that very influencial statement ;) , is lifting 50 reps any better or worst then lifting 4-12? For anything?
 
His reasoning was to develop muscle memory... apparently you get a feel for the activity that you are doing: and somehow those 2 lines rite there help to develop and build muscle fibres quickly. Lifting 50 reps, he says, is following the ol' saying "Practice Makes Perfect"... that was all the reasoning that he gave.

So, after that very influencial statement ;) , is lifting 50 reps any better or worst then lifting 4-12? For anything?

depends, maybe he has been lifting and wants not only strength but endurance as well :confused:
 
His reasoning was to develop muscle memory... apparently you get a feel for the activity that you are doing: and somehow those 2 lines rite there help to develop and build muscle fibres quickly. Lifting 50 reps, he says, is following the ol' saying "Practice Makes Perfect"... that was all the reasoning that he gave.

So, after that very influencial statement ;) , is lifting 50 reps any better or worst then lifting 4-12? For anything?

Although his thought process is reasonable (practice makes perfect), he's going about it the wrong way. Practicing a movement is obviously the way to improve performance (this occurs by a process called "cortical reorganization" in the motor cortex of our brains), but in order to improve in a task, you have to specifically practice that task. Without using enough weight to start, he really won't be doing anything to improve his movement patterns with heavier weight, and he's really not doing anything to improve his form or technique. The change in coordination required to deal with the change in the body's center of gravity alone would negate anything that he's doing now, and the fact is that without enough weight, he's not producing neural adaptation in the motor meurons that would be required in heavier exercise (the motor neuron is the nerve that controls the muscle fibers themselves, telling them to "contract").

It's like practicing to hit a major league fastball by using a wiffle ball bat: sure, the movement is the same, but without actually using a "real" bat with similar weight and feel, you won't really be able to transfer much of your "learned" movements to the other situation because you haven't really trained yourself to.

He can start at a relatively light weight of ~12-20 reps if he'd like to focus on form without the impact of fatigue or weight that will compromise that form, but 50 reps is (still) pointless, and probably detrimental in many ways.
 
So I'm curious, for all the guys on here saying he's wasting him time with 50+ reps, how many of you have ever tried it? There are pro circuit bodybuilders that do 50-100 reps on a regular basis, and I know from experience that with both bodyweight and resistance exercises 50+ reps will increase endurance and strength, especially if your routine is getting stale, and on top of that doing sets like that make a cardio workout seem like a walk in the park. I highly recommend it myself, and will continue recommending it to my clients.
 
So I'm curious, for all the guys on here saying he's wasting him time with 50+ reps, how many of you have ever tried it?
I have. We used to have "how many pushups can you complete in 2 minutes" contests at my old gym all of the time.

There are pro circuit bodybuilders that do 50-100 reps on a regular basis,
Pro circuit body builders are on steroids, period. They also have genetics that simply don't apply to roughly 98% of the population. Inhuman genetics + vitamin S means that they could sneeze and experience hypertrophy of the intercostals and serratus anterior...Do you really think that the only thing separating myself from Jay Cutler is his training regiment?

and I know from experience that with both bodyweight and resistance exercises 50+ reps will increase endurance and strength, especially if your routine is getting stale, and on top of that doing sets like that make a cardio workout seem like a walk in the park. I highly recommend it myself, and will continue recommending it to my clients.
Endurance, sure...strength, not really. Unless you're dealing with a completely detrained individual, you're simply not going to gain any appreciable carry-over to strength, and even in a previously untrained client, that strength carryover is minimal:

Muscular adaptations in response to three different resistance-training regimens: specificity of repetition maximum training zones
Journal European Journal of Applied Physiology

Thirty-two untrained men [mean (SD) age 22.5 (5.8) years, height 178.3 (7.2) cm, body mass 77.8 (11.9) kg] participated in an 8-week progressive resistance-training program to investigate the "strength-endurance continuum". Subjects were divided into four groups: a low repetition group (Low Rep, n=9) performing 3-5 repetitions maximum (RM) for four sets of each exercise with 3 min rest between sets and exercises, an intermediate repetition group (Int Rep, n=11) performing 9-11 RM for three sets with 2 min rest, a high repetition group (High Rep, n=7) performing 20-28 RM for two sets with 1 min rest, and a non-exercising control group (Con, n=5). Three exercises (leg press, squat, and knee extension) were performed 2 days/week for the first 4 weeks and 3 days/week for the final 4 weeks. Maximal strength [one repetition maximum, 1RM), local muscular endurance (maximal number of repetitions performed with 60% of 1RM), and various cardio respiratory parameters (e.g., maximum oxygen consumption, pulmonary ventilation, maximal aerobic power, time to exhaustion) were assessed at the beginning and end of the study. In addition, pre- and post-training muscle biopsy samples were analyzed for fiber-type composition, cross-sectional area, myosin heavy chain (MHC) content, and capillarization. Maximal strength improved significantly more for the Low Rep group compared to the other training groups, and the maximal number of repetitions at 60% 1RM improved the most for the High Rep group. In addition, maximal aerobic power and time to exhaustion significantly increased at the end of the study for only the High Rep group. All three major fiber types (types I, IIA, and IIB) hypertrophied for the Low Rep and Int Rep groups, whereas no significant increases were demonstrated for either the High Rep or Con groups. However, the percentage of type IIB fibers decreased, with a concomitant increase in IIAB fibers for all three resistance-trained groups. These fiber-type conversions were supported by a significant decrease in MHCIIb accompanied by a significant increase in MHCIIa. No significant changes in fiber-type composition were found in the control samples. Although all three training regimens resulted in similar fiber-type transformations (IIB to IIA), the low to intermediate repetition resistance-training programs induced a greater hypertrophic effect compared to the high repetition regimen. The High Rep group, however, appeared better adapted for submaximal, prolonged contractions, with significant increases after training in aerobic power and time to exhaustion. Thus, low and intermediate RM training appears to induce similar muscular adaptations, at least after short-term training in previously untrained subjects. Overall, however, these data demonstrate that both physical performance and the associated physiological adaptations are linked to the intensity and number of repetitions performed, and thus lend support to the "strength-endurance continuum".


The high rep group performed half as many reps as the program that you propose, meaning that they also used a significantly higher percentage of their 1RM, and still made minimal gains in increasing their strength. How do you think that using even less weight will produce better strength results?

There's no question that it will produce an increase in endurance, and a small amount of fiber conversion and sarcoplasmic hypertrophy, but you're simply not introducing enough overload stress to cause anything significant in increased strength. The strength continuum isn't debatable, micky, nor is the physiology that it's based on. Sure, 50+ reps of anything is challenging by the end of the set, but other than using that protocol for *very* specific ADL training in rehab (although even that's overkill) or as an active recovery, there's really no point in doing anything with that many reps. You could easily produce similar gains in endurance by reducing the reps in half and augmenting rest intervals or TUT.
 
This should be helpful. I got this info from softballfans.com forums for sets/reps question by someone

From the NSCA:

Load and repition assignments based on training goal:

Goal = Strength
% of 1RM = 85% or higher
Rep range = Less than 6

Goal = Power
% of 1RM = 80-90% (single effort lift), 75-85% (multiple effort lift)
Rep range = 1-2 (single effort lift), 3-5 (multiple effort lift)

Goal = Hypertrophy
% of 1RM = 67-85%
Rep range = 6-12

Goal = Muscular endurance
% of 1RM = Less than 67%
Rep range = Greater than 12
 
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