ACE Personal Trainer Practice Exam 2026 – 400 Free Practice Questions to Pass the Exam

A BMI value greater than or equal to 30 is classified as obesity and is recognized as a positive risk factor for various health conditions. This classification is critical because it signifies an elevated risk for issues such as cardiovascular disease, diabetes, hypertension, and certain types of cancer.

BMI, or Body Mass Index, is a widely used screening tool that helps assess whether an individual has a healthy body weight for a given height. The World Health Organization (WHO) sets the thresholds for BMI categories, and a BMI in the range of 30 to 34.9 is defined as class I obesity, while BMI values from 35 to 39.9 are class II obesity, and those 40 and above are considered class III obesity (severe or morbid obesity). However, it is the threshold of 30 that marks the beginning of significant obesity-related health risks, thereby making it a crucial cut-off point in clinical and public health discussions.

Understanding this classification helps fitness professionals develop effective programs and interventions tailored to individuals at different levels of risk due to their BMI status.