So for those of you that don’t know, Body Mass Index (BMI) is a calculation that uses your height and weight to estimate how much body fat you have. Too much body fat is a problem because it can lead to illnesses and other health problems, not to mention we all want to look the best we can in our jeans so the less Body Fat the better. One of our favorite personal trainers Rich Bready from Gils Gym shows Sara how to measure BMI and how that info can be helpful to our workout routines.