Casey Butt, Ph.D. - most accurate predictative model for lean body mass and muscular potential Martin Berkhan - accurate and easy to calculate formula for lean body mass Fat Free Mass Index Boundary - using the upper natural limits (aka no juice) of FFMI Maximum Muscular Potential Calculator by Casey Butt In the quest for achieving the perfect physique, many fitness enthusiasts find themselves wondering about their genetic limits and the time it takes to reach their maximum muscular potential (MMP). Dr.
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182 - 100 = 82kg 82kg x 2.2 = 180.4 lbs It's important to point out, however, that while this formula might give a reasonable estimate to most, it may not be as accurate when it comes to assessing the muscle-building potential of those who are genetically gifted. Casey Butt Formula (Advanced) This calculator will give you an estimation of your maximum natural potential in contest shape based on Casey Butt's research on elite natural bodybuilders and multiple scientific publications on the fat-free mass index (FFMI). This calculator will not be accurate if you're not six-pack lean. Research conducted by scientist and natural bodybuilder Casey Butt shows that your bone structure can help predict your lifetime muscle gain potential. Enter your height, estimated body fat percentage, and wrist and ankle circumferences into the maximum muscle potential calculator below to estimate how "jacked" you can get without steroids. The Casey Butt formula is the more advanced one of the two. It uses additional variables like wrist and ankle sizes to provide accurate readings. This is helpful because an individual's bone structure plays a huge role in dictating their muscular growth [7].
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Building Muscle Definitive Guides Tools Just want to know how much muscle you can gain naturally? This calculator will tell you: Natural Muscular Potential Calculator Wrist circumference (in) Ankle circumference (in) Good news! You've achieved 85 % of your predicted genetic potential for muscle gain. Muscular Potential Calculator | MAPS Fitness Products What is Muscular Potential? We are all born with muscular potential. All of us have genetic limiters that set our absolute top potential for all kinds of different performances or expressions, and muscle size is no different. The Casey Butt / Berkhan model calculations are probably best described as roughly an average of what's attainable for most reasonably "blessed" people. A FFMI of 25 is the number usually thrown around as the upper limit, even for someone with great genetics. But as we've seen, there are people who go beyond that. As it turns out Dr. Casey Butt has done a ton of research on top natural bodybuilders, and strength athletes. He has developed very sophisticated equations that predict, quite accurately, how much muscle mass a person can carry, as well as their strength limits.
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Enter your height in either inches or centimeters: Height in inches Height in centimeters According to Martin, the resulting number range represents the max potential body weight range for a stage-ready male bodybuilder at 5-6% body fat. 2 online calculators to help you easily work out how much muscle you can potentially build naturally. A method for assessing if your goals are achievable without drug enhancement. A guide on how to determine if your favourite social media personality is as drug-free as they claim.
Casey Butt's Maximum Muscular Potential Model. Dr. Butt analyzed a metric crap ton of data from drug-free bodybuilders, relying heavily on data from the pre-steroid era to find a simple way to predict your maximum muscular potential.. You can use the calculator below, or check out Dr. Butt's. Casey Butt, PhD, has formulas to determine the maximum muscle mass percentage that a drug-free trainee of any age and gender can achieve. The formulas take into account bone density and lean body mass. The percentages below are based on Casey's research and they are very accurate for natural lifters.
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1 Answer Sorted by: 4 Casey Butt's research has not specifically been replicated, but there have been numerous studies investigating the Fat-Free Mass Index of athletes from different sports—and they would appear to validate his findings. Step 1: Choose your preferred unit of measurement: Imperial (lbs, hours, and minutes) or metric (kilograms, hours, and minutes). Step 2: Enter your wrist size. Step 3: Hit Calculate! Now for the exciting part. The calculator will provide your ideal measurements for each body part and you can then see how you currently match up.
