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marylin monroe
Showing posts with label natural. Show all posts
Showing posts with label natural. Show all posts

Natural BB Contest Coverage 2.0: Linear Weight Loss (15.3 kg), Minimal Lean Body Mass Loss (8.8%) on a 26-Week Contest Prep That Ended At 7.4% Body Fat as A New Pro

This is not the weight class we are talking about, here. With a baseline muscle mass of 75.2kg and exactly 15.9kg of body fat, the natural bodybuilder in the case study at hand is far away from a monster back like this - for natural reasons ;-)
Studies about bodybuilding are rare and if there are some, they are usually dealing with the dark sides of "un-natural" bodybuilding. Against that background I am happy to report that today's SuppVersity article continues what I would love to become a tradition that started in March 2013 with the ahead-of-print publication of Lindy Rossow's article "Natural bodybuilding competition preparation and recovery: a 12-month case study" in the International Journal of Sports Physiology & Performance (learn more).

I am talking about a tradition of articles about Scientific Natural Bodybuilding Contest Coverage, a coverage such as the one Brandon M. Kistler, Peter J. Fitschen, Sushant M. Ranadive, Bo Fernhall, and Kenneth R. Wilun are about to present in a future edition of the International Journal of Sport Nutrition and Exercise (Kistler. 2014): A study that describes the processes and consequences of a 26-year old athlete who won his pro-card after a 26-week diet + exercise marathon.
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So this is what he did starting 26 weeks prior to a pro-qualifying natural bodybuilding contest:
tracking his diet and training in a diary, to the "T" - all food was weighed to the nearest gram throughout the duration of the study...
  • consume 250 g protein, 240 g carbohydrate, and 70 g fat per day on five days of the week, and 225 g protein, 400 g carbohydrate, and 65 g fat on two high carbohydrate days (days were spaced throughout the week) 
  • whenever the rate of weight loss slowed, a 5-10g reduction in daily fat or carbohydrate
    intake was implemented to maintain weight loss
Consequently, the 26-year old protagonist of this case-report ended up consuming 250 g protein, 140 g carbohydrate, and 51 g fat per day on five days of the week and 225 g protein, 255 g carbohydrate, and 46 g fat per day on two days of the week at the end of the study (macronutrient intake was within 5g of target values on all days).

BCAAs & regular HMB, fish oil, creatine, beta alanine and a multi were part of the game

Throughout contest preparation 30g branched chain amino acids, 3g beta-hydroxy-beta-methylbutyrate (HMB), 2g fish oil, 5g creatine monohydrate, 6g beta- alanine, and a multivitamin, were consumed daily.
Figure 1: Changes in body weight (left) and - more importantly - body composition (=% fat mass vs. % lean mass; right) of the subjects over the course of the 26 week study period (Kistler. 2014)
As you've learned only recently on the SuppVersity, creatine helps to prevent strength loss on high volume / endurance + strength training regimen (learn more). Against that background, we can assume that it also helped the subject of Kistler's case study to perform his 1-1.5hrs workouts on five days of the week.
"Each muscle group was trained twice weekly with one dayprimarily in the 3-8 repetition range and the other primarily in the 8-15 repetition range.  Thisquantity of resistance training was maintained throughout the preparation.  At the start of contest preparation, two 40min sessions of high intensity interval training (HIIT) were performed per week.  This HIIT generally consisted of a 30 second all-out sprint, followed by 4:30 of active jogging recovery." (Kistler. 2014)
What exactly Kistler means, when he writes "aerobic exercise was added as needed though out contest preparation to maintain a constant rate of weight loss" (Kistler. 2014) is unfortunately, quite ambiguous - the only thing we get to know is that, by the end of contest preparation, the subject performed four 60min sessions of HIIT and two 30min sessions of low intensity steady-state aerobic
exercise per week.

Results? What about the results?

So what were the consequences of his huge efforts? You already know about the weight loss: 15.3 kg over the course of the contest preparation in a highly linear manner (~.58kg/week), aside from that he saw...
  • absolutely no detectable reduction in bone mineral density,
  • no changes in carotid Intima-Media thickness (perfectly healthy 0.50 mm),
  • significant decreases in brachial blood pressure and aortic blood pressure, as well as complementary decrease in aortic SBP and aortic DBP, 
  • no change of the indexed left ventricular mass (107.2 g/m²),
  • only minimal changes in the overall heart rate variability, but a shift in variability towards the high frequency domain and an increase in baroreceptor sensitivity,
  • no change in overall inflammation (hs-CRP) or cholesterol levels and oxidation and
  • a continous increase in cardio-respiratory fitness as indicated by increases in body weight relative VO2peak from 41.91 over 44.19, to 47.69 mL/Kg
As the authors point out in their discussion of the results, the contest preparation strategy used by this athlete "led to highly linear weight loss (R²=0.9932)" that was accompanied by a relatively low lean mass loss (-8.8%) - little enough for the subject to be "successfully able to lose enough fat mass to reduce body fat percentage and get lean enough to win his natural pro card."
Suggested Read: " Scientific BB Contest Prep Coverage: Six Months of Dieting, Daily Workouts & Hormonal + Metabolic Shutdown Pave the Natural Way to the Sub 5% Body Fat Zone" | read more
Bottom line: Considering the fact that bodybuilding is deemed to be one of the unhealthiest sports you can do by the general public, it's quite astonishing how little negative and how much positive impact the 26 weeks on a restricted diet + crazy exercise regimen had on the subject in the case-report at hand.

What I am missing, though, is a complete (and repeated) hormonal pattern, as it came with Lindy Rossows study I wrote about in March 2013 (see " Scientific BB Contest Prep Coverage: Six Months of Dieting, Daily Workouts & Hormonal + Metabolic Shutdown Pave the Natural Way to the Sub 5% Body Fat Zone" | more) - if that had been available, I would have been able to do a nice comparison of the effects on testosterone, cortisol & Co. - it's a pity.
Refernces:
  • Kistler, B. M., et al. "Case Study: Natural Bodybuilding Contest Preparation." International journal of sport nutrition and exercise metabolism (2014). Ahead of print.
  • Rossow, Lindy M., et al. "Natural bodybuilding competition preparation and recovery: a 12-month case study." International Journal of Sports Physiology & Performance 8.5 (2013).

Scientific BB Contest Prep Coverage: Six Months of Dieting, Daily Workouts & Hormonal + Metabolic Shutdown Pave the Natural Way to the Sub 5% Body Fat Zone

Dexter Jackson was not the 26-year old natural bodybuilder in the study at hand, but he is the Winner of the Arnold '13 (Photo bb.com)
Who would have thought that!? Dexter Jackson won the Arnold Classic 2013. "The Blade" as Jackson is also called has been competing ever since 1999 and will thus probably be able to tell you one thing or another about the hardships bodybuilders have to go through during the pre-contest phase. It is these hardships today's SuppVersity post will be dealing with - the hardships of those who do (almost) everything to "peak" (=achieve the best conditioning possible) at day 0 and in this particular case without resorting to all the readily and less readily  available "helpers" from the arsenal of the "big guys".

People like the 26 year-old caucasian, natural, professional bodybuilder, whose latest contest prep has been monitored by Lindy M. Rossow and her colleagues from the Department of Health and Exercise Science at the University of Oklahoma and her colleagues from the Creighton University and the University of Central Florida (note: the whole study period comprised 12 months, 6 months prep and 6 months follow-up and the data on diet and training volume were derived from the subjects meticulous food and workout logs).

Diet, meal planning and nutrient timing

With 5 meals per day and occasional week-by-week reductions in fat and carbohydrate intake (5-10g), whenever he felt he stagnated, neither the meal pattern nor the total energy intake (~2,500kcal/day) of the subject changed dramatically over the course of the pre-contest period.

With a ratio of 36/36/28 % the macronutrient ratio of the pro-bobyduilder who started out with a body-fat percentage of 14.8% (4-C model based on DXA and BOD POD data vs. 8.9% when measured by chest, abs and thigh skinfolds), was very balanced and actually pretty close to what I suggested in my interview with Sean for CasePerformance for both average Joes and Janes and aspiring gymrats alike (read the whole interview here).
Figure 1: Overview of the key aspects of the nutritional regimen in the pre-contest (Prep), immediately pre-contest (last wee before the show) and the subsequent recovery period (based on data from Rossow. 2013)
With two moderate carb-refeeds per week during which he increased his carbohydrate intake to 48% (see figure 1), the subject, who had won his pro-card two years before he agreed to participate in this study, stuck to the above macronutrient ratios until "just prior" to competition, when he dropped the carbohydrate intake to <30% and increased the protein intake to 46% keeping fats almost stable at 25%. When we do the math in order to calculate the corresponding nutrient intakes in grams we get ~207g of protein, 130g of carbohydrates and 112g in the last phase of the contest prep.
There is evidence that a high carb bulk works best the classic way, i.e. with almost zero fat (read more)
"I don't want to gain fat too quickly afterwards": While the subjects declared goal for the post-competition phase was "not to regain body fat too quickly", his irregular and unquestionable ravenous eating habits tell us that he must have forgotten about that ;-)

No wonder his body fat levels shot up to 15.5% (higher than precontest) within 5 months, then stabilized and despite constant overeating began to drop again. What is an interesting side-note that over the whole study period, but especially in the off season, the often hailed skin-fold measurements hilariously underestimating the body fat content (the values were up to 8% off).
The only supplements the subject took were 5g/day of creatine and whey protein, which was already part of the regular diet and thus included in the macro-breakdown in figure 1 and the ~200g/day of protein I calculated based on the not exactly exhausting information about the exact macronutrient and energy content of the diet.

Strength and cardio - working out every day is key

A key contributer to the sustained weight- and, as we are going to see in figure 3 further below, fat loss at a relatively high energy intake (2,500kcal at a starting weight of ~100kg is obviously below maintenance, but no starvation diet) is probably the versatile workout routine with daily workouts, except on days before the exercise tests at the lab were conducted.
"During competitive preparation, per week on average, the subject performed four days of resistance training (5 hourst total per week), two days of high intensity interval training (HIIT, 40 minutes total per week), and one day of low-intensity, steady-state, aerobic exercise (30 minutes per week). This resistance training split allowed for the athlete to train each major muscle group twice per week."
This training regimen, as well as the often underestimated 30-60s isometric contractions during the 15-30 min posing practices the subject performed only once in the initial 1-6 weeks and 2-4 times per week during weeks 20-26, will have done one last thing to propel the fat loss in face of a constantly declining resting metabolic rate. The latter, as well as the hormonal changes, the dropping blood pressure and the - for a non-athlete - dangerously low heart rate all point towards one thing: Metabolic shutdown (see figure 2):
Figure 2: If you want to know about the hormonal / metabolic consequences of cutting down to sub-natural body fat levels (4.5% for the guy in the study) this is the graph to look at (data expressed relative to pre-prep values; based on Rossow. 2013).
As I have already hinted at in one of the infoboxes in figure 2 the resting metabolic rate the scientists measured only thrice during the 12-months observation phase, i.e. twice before and once after the contest  dropped by >1,000kcal from week -25 to week -1 (=one week before the contest) and did not fully recover within the 12 weeks up to the subject's last REE assessment with a metabolic cart.
A note to the desperate haters out there:  No, I did not check the guy's urine for additional "supplements", so I cannot know for sure whether he was indeed natural. What I do however know is that you were just about to post something along the lines of "you cannot achieve this level of conditioning without drugs" - obviously, without daring to do so under your own name. Do me and yourself a favor and spend the time and energy in the gym instead - thank you!
Starvation mode without starvation = continuous fat loss?

In view of these metabolic changes the drastic reduction in body fat (%) from 14.8% to 4.5% appears surprising. Likewise, common sense would tell you that the cortisol increase (more than +100%) would (a) burn away your muscles in no time and (b) stop your fat loss in tracks. The data in figure 3 does yet speak a very different language.
Figure 3: Body mass, fat free mass and body fat % over the 12-months study period (Rossow. 2013)
What the increase in cortisol did, was saving our dieter's brain from starving while getting him shredded by facilitating the catecholamine induced lipolysis (=squeezing the fat out of the cells) and bugging the liver to produce more glucose (Exton. 1972; Lamberts. 1975). That the substrate for the increased hepatic gluconeogenesis was not exclusively fat, but also protein should be obvious. As obvious as the fact the contribution of muscle protein was still negligible compared to the energy that came from the adipose tissue. Otherwise you could hardly explain that the subject lost not even 3kg of lean mass, while he dropped 14kg of body weight and kept the hydration level constant (62.6% at the beginning and 62.12% on contest day).



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Bottom line: If you look at the time it took the subject of the study to get down to the <5% body fat range and at how his body reacted (cf. The Athlete's Triad), I probably don't have to mention that the notion that any of these guys, drugged or not, is running around like you see him on stage or in the magazines all year is hilarious.

This does also mean that any training program that aims at running around at real (and not caliper measured) single-digit body fat levels year round is destined to fail and will go hand in hand with hypogonadism, low thyroid levels, 6-7x elevated fatigue levels, confusion, anger, hostility and overall 7x higher levels of mood disturbances. I bet your significant other will like neither the former nor the latter symptoms and let's be honest, even if you are single, would this be worth it?

"So are natural bodybuilders stupid idiots?" 

Certainly not! The exact opposite is the case, people like the subject in the study at hand have a goal and the plan, the determination and the guts to achieve it. They want to show up on stage in the best form possible, never knowing whether this will be enough to take the trophy home. They are sportsmen like so many other athletes; and while it may be debatable how healthy these ups and downs in body weight eventually are, I would venture the guess that natural bodybuilding is not unhealthier than American football.

So, if there is anything "idiotic" about bodybuilding, it would probably be its unintended downstream effects on some of the gymrats who believe they can have the upsides, i.e. the hyper-muscular contest-ready sub 5% body fat look, without the downside, i.e. the time spend at a normal body fat level of ~12-15%.

Moreover, if you look at the way the guy in the study broke through the 5% body fat wall, there is just one thing that sticks out: persistence! Patience and a stubborn persistence. No low-to-no-carb diets, no no-fat interventions, no protein only days, not even intermittent fasting or thermogenics and certainly no natural test boosters.  If you feel that you have the persistence and want to step on stage, go for it, but be aware that it's not going to be an easy ride.

References:
  • Exton JH, Friedmann N, Wong EH, Brineaux JP, Corbin JD, Park CR. Interaction of glucocorticoids with glucagon and epinephrine in the control of gluconeogenesis and glycogenolysis in liver and of lipolysis in adipose tissue. J Biol Chem. 1972 Jun 10;247(11):3579-88.
  • Lamberts SW, Timmermans HA, Kramer-Blankestijn M, Birkenhäger JC. The mechanism of the potentiating effect of glucocorticoids on catecholamine-induced lipolysis. Metabolism. 1975 Jun;24(6):681-89.
  • Rossow LM, Fukuda DH, Fahs CA, Loenneke JP, Stout JR. Natural Bodybuilding Competition Preparation and Recovery: A 12-Month Case Study. Int J Sports Physiol Perform. 2013 Feb 14.