What is a peak expiratory flow rate test? The peak expiratory flow rate (PEFR) test measures how fast a person can exhale. The PEFR test is also called peak flow. This test is commonly performed at home with a handheld device called a peak flow monitor. For the PEFR test to be useful, you must keep continuous records of your flow rate.
Get more fiber in your diet. Soluble fiber (such as that found in apples, oats, and cherries) lowers insulin levels which can speed up the burning of visceral belly fat. 1  Add fiber to your diet slowly. 2  If you are currently getting 10g of fiber a day, don't jump to 35g of fiber the next day.
You can train hard & build muscular abs, but if you eat junk food all day, you wonât lose your belly fat. Stop eating processed food. Eat whole, unprocessed foods. 1  Proteins. 2  Meat, poultry, fish, whey, eggs, cottage cheese, â¦. 3  Veggies. 4  Spinach, broccoli, salad, kale, cabbage, â¦. 5  Fruits.f you canât lose your belly fat, youâre using the wrong approach. You donât need endless sit-ups, supplements, starving yourself or worse surgery. Here are the 10 best ways to lose your belly fat â quickly and naturally. 1.