high-rep activities to invigorate muscle development. The best illustration, the 50-rep squats to impact leg muscle, is a regularly utilized technique. The most celebrated beefy beefcake bolstering high reps for muscle development was Tom Platz; he was renowned for sets with reps of 20 to 30 in the squat. A little reminder,platz was known to squat 500 pounds in excess of 30 reps!!! Defenders of the high-rep preparing claim that high reps expand blood stream, which improve supplement conveyance, cause gigantic increments in nitric oxide and more noteworthy muscle pumps, which fortify muscle development.
Vascular Occlusion With Light Weight Produces Muscle Hypertrophy
Light Weight Exercise vs. Substantial Weights: Which Is Better?
Specialists tried a light-weight convention and a substantial safety activity system to figure out whether light weight programs with heaps of reps can animate muscle development. Analysts took 12 solid youngsters and made them perform 12 weeks of safety practice on a leg augmentation machine; they performed three workout sessions for every week. An aggregate of 10 sets was allocated to two gatherings:
A.) One leg with light weight; 36 redundancies for every set (15 percent of 1 RM)
B.) The other leg with substantial weight; 8 redundancies for every set (70 percent of 1 RM)
Here is what's truly fascinating; despite the fact that they performed distinctive rep ranges, both groupsperformed the same workout volume. The fortunate thing about this study is that the subjects served as their controls, so they were not being contrasted with other individuals.
Overwhelming Resistance Exercise Beats Light Weight, High-Rep for Muscle Size
Toward the end of 12 weeks, the cross-sectional size or muscle development of each one leg showed increments in muscle size, however the substantial safety gathering exhibited more prominent increases in muscle mass.5 The overwhelming safety activity gathering exhibited a 7.6 ± 1.4 percent pick up in bulk while the light weight gathering picked up 2.6 ± 0.8 percent. The overwhelming safety preparing gathering likewise picked up more prominent increments in muscle quality too. The study demonstrates that light weight/high-rep schedules do increment bulk, yet simply not to the same degree as overwhelming safety exercise.
In spite of getting a decent muscle pump, you are not going to develop like stacking up the bar with some iron! When I read this study, I recollect a scene of NO BULL RADIO where Dave and John were talking about, "Who was the strongest jock ever?" Several names were said: Johnnie Jackson, Dorian Yates and Greg Kovacs. Flex Wheeler put some rumors to rest: "Ronnie Coleman was the strongest juicer ever...period!" Is it any fortuitous event that as substantial as Ronnie prepared, he additionally piled on eight Mr. Olympias? No high-rep preparing for Ronnie, just substantial weights!!
Muscle Hypertrophy Without Increases In Acute Anabolic Hormones
An alternate fascinating finding was that increments in muscle hypertrophy happened without expansions in coursing anabolic hormones. This finding of increments in muscle development without changes in coursing levels of anabolic makes one inquiry: How vital are the intense anabolic hormone reactions to work out? When I initially began considering activity endocrinology, I suspected that the workouts that brought about the best increment in anabolic hormones needed to build bulk. Momentum exploration demonstrates that intense anabolic hormones reactions are critical, yet are not the Holy Grail for expanding muscle size. Keep in mind, perseverance activity can deliver significant increment in GH and testosterone in light of activity, yet they don't create muscle hypertrophy. Powerlifters show critical muscle estimate yet the normal powerlifting workout delivers low anabolic hormone reactions. Past studies have demonstrated that ingestions of whey protein before activity blunted testosterone and GH responses,6 however numerous studies propose that preexercise protein supplementation is fundamental for expanding bulk. I would not miss a preexercise whey protein shake with expectations of a finer intense testosterone reaction.
Muscle Tension May Be More Important Than Acute Hormone Responses
This examination additionally is in conjunction with scientists at the Exercise Metabolism Group at Mcmasters University who as of late reported that muscle hypertrophy occurred without intense increments in anabolic hormone concentrations.7 Ten sound adolescent male subjects performed one-sided safety preparing for eight weeks (three days/week). One-sided safety activity is fundamentally where you prepare one leg, while the other leg is utilized as a control or untrained muscle. Activities performed in the study were knee augmentation and leg press performed at 80-90 percent of the subject's single-reiteration greatest (1 RM). Blood examples were gathered in the recent past, quickly after, 30, 60, 90, and 120 minutes post-exercise. The primary preparing session and after the last preparing session were dissected for aggregate testosterone, free testosterone, GH and insulin-like development variable 1, alongside different hormones. Thigh muscle cross-sectional region of the (vastus lateralis) was measured preand post-preparing.
Intensely, no progressions in GH, testosterone, or IGF-1 fixations were seen in the 90 minutes after activity and there was no impact of preparing on the anabolic hormones measured. GH did demonstrate a moderate build 30 minutes post-exercise, yet came back to pattern values by 90 minutes. Preparing instigated increments in muscle hypertrophy were seen in sort Iib and Iia muscle fiber. No progressions were seen in muscle measure in the untrained leg. All in all, one-sided preparing prompted neighborhood muscle hypertrophy just in the practiced appendage, which happened without testosterone, GH or IGF-1-coursing levels. The lesson of the story, don't get so got up to speed in the intense anabolic hormone reaction that you confine your poundage.
A light weight, high-rep convention does produce muscle hypertrophy, yet light weight, howeverheavy safety activity produces more noteworthy bulk picks up. Muscle "blaze" does not empower development; over-burden invigorates development. "Muscle pumps" and "feeling the blaze" are not by any means what building muscle is about, nor is it a decent pointer of muscle development, as the study shows. You can get a decent "blaze" by doing 20-30 reiterations; notwithstanding, preparing at that rep range does not productively over-burden the muscle. How the money adds up of the study is that preparation stacks short of what 70 percent of a 1 RM are not going to impel critical increases in bulk or quality. High-rep preparing may be useful for muscle pumps yet not useful for expanding muscle size or quality.
Key Points:
Ø Light weight, high-redundancy workouts don't invigorate muscle development adequately; overwhelming safety activity is a more noteworthy stimulator of muscle development.
Ø Muscle hypertrophy happened notwithstanding increments in anabolic hormones; muscle development components (IGF-1, MGF) may be more critical than the intense hormone increments.
References:
- Hakkinen, K., and Pakarinen, A. Acute hormonal responses to two different fatiguing heavy-resistance protocols in male athletes. J Appl Physiol, 74: 882-887, 1993.
- Raastad, Truls., Bjoro, Trine., and Hallen, Jostein. Hormonal responses to high- and moderate-intensity strength exercise. Eur J Appl Physiol, 82:121-128, 2000.
3. Kraemer, W.J., Marchitelli, L.J., Gordon, S.E., Harman, E., Dziados, J.E., Mello, R., Frykman, P., McCurry, D., and Fleck, S.J. Hormonal and growth factors responses to heavy-resistance exercise protocols. J Appl Physiol, 69:1442-1450, 1990.
- Hakkinen K, Pakarinen A. Acute hormonal responses to two different fatiguing heavy-resistance protocols in male athletes. J Appl Physiol, 1993 Feb;74(2):882-7.
- Holm L, Reitelseder S, Pedersen TG, Doessing S, Petersen SG, Flyvbjerg A, Andersen JL, Aagaard P, Kjaer M. Changes in muscle size and MHC composition in response to resistance exercise with heavy and light loading intensity. J Appl Physiol, 2008
- Hulmi JJ, Volek JS, Selänne H, Mero AA. Protein ingestion prior to strength exercise affects blood hormones and metabolism. Med Sci Sports Exerc, 2005 Nov;37(11):1990-7.
- Wilkinson SB, Tarnopolsky MA, Grant EJ, Correia CE, Phillips SM. Hypertrophy with unilateral resistance exercise occurs without increases in endogenous anabolic hormone concentration. Eur J Appl Physiol, 2006 Dec;98(6):546-55.
- Takarada Y, Sato Y, and Ishii N. Effects of resistance exercise combined with vascular occlusion on muscle function in athletes. Eur J Appl Physiol, 86: 308–314, 2002.
- Takarada Y, Takazawa H, and Ishii N. Applications of vascular occlusion diminish disuse atrophy of knee extensor muscles. Med Sci Sports Exerc 32: 2035–2039, 2000.
- Takarada Y, Nakamura Y, Aruga S, Onda T, Miyazaki S, and Ishii N. Rapid increase in plasma growth hormone after low-intensity resistance exercise with vascular occlusion. J Appl Physiol, 88: 61–65, 2000.
- Takarada Y, Takazawa H, Sato Y, Takebayashi S, Tanaka Y, and Ishii N. Effects of resistance exercise combined with moderate vascular occlusion on muscular function in humans. J Appl Physiol, 88: 2097–2106, 2000.
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