BMI works for body builders too, if you carrying 50kg> extra the body doesn’t care as much if it’s fat or muscle your heart still needs to support that body mas

BMI works for body builders too, if you carrying 50kg> extra the body doesn’t care as much if it’s fat or muscle your heart still needs to support that body mass. BMI for people with very high body mass and low fat percentage can be adjusted slightly usually within 10-15% but if you are morbidly obese it’s going to be a problem either way. Going down from 96kg to 78kg while gaining some body fat from 9-10% to 12-13% reduced my RHR by about 10-15bpm. And that initial mass gain was just with a decade of exercise not the gain and shred cycles that body builders are going through not to mention the extra “vitamins” they tend take...