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Study Probes Muscle Building Effects of Vitamin D in Young and Old and Finds None, but Relative Strength in Old and Fiber Composition & Myostatin in Young Muscle Respond

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Old or young, who is going to benefit and who is going to benefit most from vitamin D supplementation during a 12-week resistance training regimen. Unfortunately, we don't have an unambiguous answer - yet!? Ok, I have to admit, I could have kept up the suspense by not giving away the main result of Jakob Agergaard's and colleagues' latest study in the headline, already. On the other hand, by giving away the most relevant information in the headline, I can make sure that future google searchers will immediately refute the claim that "vitamin D is a powerful muscle builder" - it is not. What it may very well be, is a vitamin that is necessary for your long-term success. This is still much different from what you may conclude solely based on the associations that exist between low vitamin D and all sorts of ailments, though. Evidence that vitamin D(3) supplements are able to reduce the risk of bone fractures, diabetes, cardiovascular diseases, cancer, depressio...
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Kids' Low GL Breakfast Boosts Cognitive Performance 24h Later | Maternal Low Protein Diet Programs High Myostatin, Low Muscularity | Beef Beats Pickled, Not Baked Herring

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We all know this is not a healthy breakfast. What we don't or rather didn't know, though, is that you have to test on two consecutive days to find out how unhealthy it actually is for your kids' brains. With Young's study we learned that. In what? That's probably what you are asking yourself now that you've read that beef beats pickled, but not baked herring, right? Well the answer to this question can be found in my brief summary of the results of Svelander's recent meal-response study. It's, as you may have guessed, the insulin response that sucks for pickled herring. What sucks even more, though, are mothers who are afraid of protein. After all, Liu's latest study shows that they may be setting their kids up to a life as skinny fatness. When I come to think about it, this may yet be better than giving your kids a high glycemic load breakfast to take to school. After all, Young's latest study shows quite impressively what previous studies...
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More Evidence That Myostatin is an Important Inhibitor of Diet and Exercise Induced Muscle Gains in You & Me

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Is myostatin relevant for mass monsters only, or for normal trainees, as well ? We all know the freakish images of myostatin negative animals. We all know about the heavily marketed, but scientifically not proven myostatin inhibitors. But do we also know that myostatin is actually a major inhibitor of skeletal muscle growth in the average trainee? I am not sure, but a recent study from the University of Padova  provides further evidence that the muscle hypertrophy break myostatin may in fact be what keeps you from making the same gains you saw, when you first hit the weights (Paoli. 2015). BFR and Hypoxia Training  may decrease myostatin (Laurentino. 2012). BFR, Cortisol & GH Responses BFR - Where are we now? Hypoxia + HIIT = Win? BFR for Injured Athletes Strength ⇧ | Size ⇩ w/ BFR Training & Living in Hypoxia In said study, Antonio Paoli et al. recruited 18 male volunteers, human movement science undergraduate students (age = 24.9 +/-...
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Exercise Research Update Nov. '14 (2/2): Vibration Training for Athletes, Caffeine Muscle Size & Power, Time to Psyche Up, Myostatin Resp. to Strength & Comb. Training & More

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Vibration training is for lazy men & women, only - right? It cannot speed up the adaptation process in athletes, right? And it certainly has no effects on body composition, right? Not exactly, scroll down and find out why. For those of you who haven't read yesterday's first installment of this research update, I highly suggest you head over now, or after you've read today's follow up on additional vibration training for athletes, caffeine and the effect of muscle size on the strength boosting effects of caffeine, the benefits of and perfect time to psyche up before a sprint event and the muscular myoastatin response to strength, interval and combined training, to make sure you don't miss half this research update. And if you are not interested in any of these news you may still appreciate the bottom line with a brief review of the latest evidence for the differential or identical effects of strength and hypertrophy training on the acute biochemical and ne...
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Myostatin Limits Muscle Hypertrophy in Young, Physically Active Resistance Trainees on High, but Not Normal Protein Diet - Irrelevant Outlier or Crucial Revelation for Trainees?

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Who says, resistance training and high protein diets make you bulky? The study at hand suggest they don't because after a couple of weeks your body will pull the myostatin break | img (c) fighterdiet.com You're training like mad and consuming a ton of protein everyday and still don't see the results you deserve? Maybe increased myostatin levels are holding you back!? While previous studies mostly suggested that the role of myostatin in the normal (muscle) growth response to exercise may have been overestimated, a recent study from the University of Padova ,  the Italian Medicine and Fitness Federation, Euganea Medica , and the University of Palermo . Brings the "muscle-growth break" (high myostatin = slow muscle gains) back onto our radar. And that not just because researchers from said institutions observed a significant increase in myostatin in response to chronic resistance training, but rather because this response appears to have been triggered by high...
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