![]() The same lifestyle choices that lead to obesity can lead to normal weight obesity. In these cases, it is easier for these individuals to reach an unhealthy amount of body fat before their BMI indicates they are even overweight (Yaghootkar et al., 2014). Some individuals are genetically prone to the condition as they tend to store more visceral fat (abdominal fat) and less subcutaneous fat (fat under the skin) than their normal weight, metabolically healthy, counterparts. Like most things, genetics, and lifestyle both play a role in developing NWO. In the elderly, this condition is often referred to as sarcopenic obesity as it is related to a significant decline in skeletal muscle mass (and bone mass) often leading to orthopedic injuries, inability to remain independent, and overall frailty (Ardeljan & Hurezeanu, 2022). Metabolic dysfunction of this degree can be linked to diabetes, cancer, and heart disease (Ding et al., 2016). This body type is also associated with the same metabolic derangements commonly seen in obese individuals such as hypertension, low cardiorespiratory fitness, unfavorable lipid profiles (i.e., high cholesterol and triglycerides), and high levels of inflammatory markers. NWO is often linked to insulin resistance, accumulation of visceral (abdominal) fat, and further decreases in lean body mass. See also: Body Types - How to Train & Diet for Your Somatotype Health Concerns with a Skinny Fat Body Type Adults affected by normal weight obesity have a four-fold risk of cardiac and metabolic diseases (Correa-Rodríguez et al., 2020). NWO affects more than 30 million Americans. A person with a skinny fat body type can have very high amounts of body fat as compared to a lean body mass.įrequently, these individuals have high levels of visceral (deep abdominal) rather than subcutaneous (under the skin) fat deposits. The term skinny fat or normal weight obesity (NWO) refers to a person who is normal or below normal weight but has a higher than optimal body fat percentage and often lower than optimal lean body mass. Which of these individuals carries the true health risk? What is a “Skinny Fat” Body Type? In my practice, I have seen athletes with 5 or 6 percent body fat and a BMI of 30, and older adults with a BMI of 20 with 40 percent body fat. Likewise, it is possible, and even common in strength and power-based sports, to have a body mass index (BMI) in the overweight category yet have very healthy if not low levels of body fat. Yes, it is entirely possible to have a normal or below normal weight and still have body fat levels that are in the unhealthy zone (i.e., skinny fat). With the advent of bioimpedance analysis (e.g., the InBody™) and, dual-energy X-ray absorptiometry (DEXA), it is more common for health seekers and fitness enthusiasts to get an idea of their body composition rather than relying on BMI measurements (Duren et al., 2008). Likewise, some argue that BMI is an outdated measurement system to determine a healthy weight (Summerfield, 2016) What is Body Composition?īody composition is the proportion of lean body mass (water, bone, organs, and muscle tissue) as compared to adipose tissue (fat mass) in the body. This is a useful metric to use as a screening tool, or on a population scale, however, it may be useless for some individuals. BMI does not take body frame size into account.īMI is still used frequently for individuals and populations where a normal reading is between 18 and 24.99 kg/square meters. Lambert Adolphe Jacques Quetelet, a Belgian astronomer, and statistician created the measurement in the 1830s to determine if an individual’s weight was normal as compared to their height. ![]() Body Mass Index (BMI) is the most common means of measuring comparing weight and height to determine adiposity. We must discuss the concept of BMI and body composition to understand normal weight obesity. You can measure your BMI with the NASM BMI Calculator ! A Word on BMI This includes athletes with a higher-than-normal weight, as well as individuals who are skinny fat, especially when it reassures them, that they are a healthy weight. While the bathroom scale can be a useful tool in screening ourselves for obesity or tracking weight loss progress, it can be truly deceiving for many of us. We judge our fitness, progress, and unfortunately, at times, self-worth, based on that number that appears on the scale when we step on it first thing in the morning. ![]() Many of us (and our clients) have a fixation on the weight scale.
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