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Nutrition Topics Nutrition ProductsRecipesVitamins & MineralsWeight Management Latest in Nutrition WEB SERIES Maximum Wellness Workout Wednesday LATEST IN WEB SERIES Shop SHOP Bars & Drinks Bundle & Save CBD Diet & Energy Essential Oils Fitness Accessories Joints Support & Omegas Lab Tests Men's Health On Sale Products Performance Probiotics & Digestion Protein Superfoods & Plant Based Targeted Health Training Programs Vitamins & Minerals Women's Health LATEST PRODUCTS Fitness Fitness Topics Performance Recovery Fitness Essential Amino Acids Support Muscle Protein Synthesis Fitness Maximizing Recovery After Training & Competition Fitness The Keto Diet Plan May Benefit Body Builders Fitness High Intensity Interval Exercise VS Moderate Intensity, Continuous Training Health & Wellness Top Five Tips to Avoid Training too Much Fitness Vitamins and Minerals to Improve Adolescent Fitness Latest in Fitness Health & Wellness Health & Wellness Topics Health & Wellness Products Immunity Men's Health Women's Health Health & Wellness Nutritional Factors May Modify Risk to Covid-19 Health & Wellness COVID-19: Vitamin D May Modulate Risk & Severity Health & Wellness Fish Oil Lowers Cardiovascular Disease Risk Health & Wellness Teenagers Top Five Foods for Success Health & Wellness Research Confirms Optimum Vitamin D Blood Values Vitamins & Minerals Are Multivitamins Right for You? Latest in Health & Wellness Nutrition Nutrition Topics Nutrition Products Recipes Vitamins & Minerals Weight Management Nutrition Top Five Foods to Fight Inflammation Recipes High Protein Blue Berry Pancakes Nutrition The Top Five Healthy Foods for Women High Protein Recipes Egg & Turkey Stuffed Peppers Low Carb Recipes Hearty Breakfast Sausage Nutrition Are Cleansing Supplements Right for You? Latest in Nutrition WEB SERIES WEB SERIESpodcastsMaximum Wellness podcastsWorkout Wednesday LATEST IN WEB SERIES Maximum Wellness Maximum Wellness, Episode 82: Targeting the Optimum Fat Burning Heart Rate Training Range Date January 20, 2021 Exercise and caloric restriction are a proven combination to reduce scale weight. The real key, however, is to reduce excess body fat – subcutaneous (under the skin), visceral (around vital organs), and ectopic (within the organs). From an exercise perspective, it’s all about frequency, intensity, and time – the “fit principle.” Of the three variables, the appropriate intensity to optimize fat max – maximal fat burning – requires testing or the use of heart rate percentages that estimate fat max. When exercising, the primary energy sources are derived from a percentage of fat and carbohydrate – depending on the intensity of exercise. The higher intensity the less fat is used and vice versa. The fat max zone can be determined via a VO2 Max test correlated to a percentage of maximum heart rate. The V stands for volume, and the O2 is the chemical formula for oxygen we breathe. Your VO2 at the stage of maximal exertion is called your maximal oxygen consumption (VO2 max). The test is usually performed in a laboratory by a trained medical professional. The VO2 Max test measures milliliters of oxygen per kilogram of body weight (1 kilogram = 2.2 pounds) used per minute. By measuring VO2 max relative to body weight, we are able to determine endurance and stamina levels. Then, we can relate this to a heart rate at any point during the test. For max heart rate (HRmax) determination, the age-predicted HRmax formula used by the American College of Sports Medicine (ACSM) is 220-age. According to research – “Fat Oxidation Rate As a Function of Plasma Lipid and Hormone Response in Endurance Athletes” – which appeared in the January 2020 issue of theJournal of Strength and Conditioning Research, “the regulation of adipose (fat) tissue lipolysis (breakdown) and the release of FFAs (free fatty acids) from adipose tissue to the muscle is an important route of control for fat oxidation (burning).” Researchers from Spain sought to investigate, “the relationship among fat oxidation rate, plasma lipids (total cholesterol, triglycerides, HDL good cholesterol, and LDL bad cholesterol), and hormone concentrations (adrenaline, noradrenaline, catecholamine, insulin) in well-trained athletes.” The Spanish investigators recruited twenty-six trained triathletes, who completed a graded stationary cycle test to exhaustion – increasing the intensity every 10 minutes. Fat oxidation rates were determined using the indirect calorimetry method. Each individual’s maximal fat oxidation (MFO) rate – the intensity at which MFO occurred (fat max), and the intensity at which fat oxidation became minimal (fat min) were determined. Blood samples for lipid and hormone analysis were collected at the end of each stage of the graded exercise test. It was determined that the fat oxidation rate became significant at 60% of VO2 max or 75% of HRmax, while maximizing at 70% of VO2 max or roughly 80% HRmax. As an individual reaches their VO2 max, they approach their HRmax. From a lipid and hormone perspective, the researchers determined that, “low-density lipoprotein (LDL) and triglycerides (TG) decreased and showed lowest levels at 60%VO2max and reaching significant increases after 80%VO2max. High-density lipoprotein (HDL) reached significant increase at 60%VO2max. Adrenaline and noradrenaline increased until the end of the incremental exercise, and significant differences were from 50%VO2max.” The take-away message is that fat burns in the flame of oxygen at roughly 70-80% HRmax. From my experience, I have found the lower end of the range starts at 55% of HRmax. Subtract your age from 220. Then take 55 and 80% for your lower and upper fat max training zone – ideally staying closer 70%, as the higher number. In my 40 years of guiding over 3,000 professional athletes, actors, and my volunteer work with members of special operations command, I have relied on the innovative, researched-based technology and heart rate monitoring devices pioneered by and offered at Polar.com. Polar heart rate monitoring devices, and their proprietary algorithms, are the first choice of researchers seeking most accurate determination of heart rate, heart rate variability, and other pertinent diagnostics for use in their studies of human performance variables.