Basal Metabolic Rate (BMR): Your BMR is the amount of calories your body burns at rest. Your BMR includes 60 percent of your caloric burn from your functioning organs. Twenty five percent from your muscles. Ten percent from your bones. And 5 percent from fat.
Benign Prostatic Hyperplasia (BPH): An enlarged prostate that is not cancerous. It may interfere with urination.
Biceps: These are the muscles on the front of your upper arm. They include your biceps brachii, brachialis, and brachioradialis.
Bilateral Transfer: A theory stating that if you work a muscle group on one side of your body, it will enhance the msucle fibers on the other side of your body. For example, if you trained your right biceps muscle, your left biceps muscle would hypertrophy.
Bile: This is the fluid that is secreted by your liver Bile helps break down fats in your small intestine.
Bladder Infection: A bladder infection (cystitis) is an inflammation of the wall and lining in your bladder. It may be caused by a bacterial infection or a mechanical abrasion from microcrystals of calcium phosphate in your urine. Symptoms of cystitis include frequent urination, dysuria (cloudy or bloody urine), with pain and tenderness in your lower abdomen. Your urine may be cloudy because it contains pus or blood and it may also have an unpleasant smell.
Blisters: To prevent blisters, minimize friction. For the feet, this begins with your shoes. Shoes should fit comfortably the day that you buy them. There should be about a thumb's width between your longest toe and the end of your shoe. Narrow shoes cause blisters on your great toe and baby toe. A shallow toe box can cause blisters on the tops of your toes. Loose shoes can form blisters on the tips of your toes.
BMI: The average body mass index score is 25. BMI stands for your weight in kilograms divided by your height in meters squared.
Body Fat Percentage: Percent body fat is the ratio of fat to the rest of you (ie. muscle, bone, etc.). Men can reach as low as 3 percent fat. Women 12 percent. These are extremes. A reasonable goal for men to strive for might be 10 to 15 percent fat. Women 15 to 20 percent.
Body Fat Storage: Women have more subcutaneous body fat than men. But as both men and women age, body fat storage is more internal.
BodyPump: The BodyPump class is designed to work your entire body using barbells with adjustable weights. The instructor cranks up the music, and leads you through a warm-up. Then a series of specifically choreographed moves, including squats, presses, lifts and curls are performed. You use light to moderate weights with high repetitions. The bar is three pounds with the option of adding additional weight.
Bolus: A softened mass of chewed food. It ends up traveling down your esophagus into your stomach.
Bonk: A.K.A. hitting the wall. A slang term used in endurance event where you run out of glycogen in your muscles and you cannot take another step or pedal stroke.
Boxaerobics: An aerobic-anaerobic exercise program using punches, footwork , and blocks performed to the beat of lively music.
Bradykinesia: “Brady” means slow. And “kinese” means movement. Slow movement.
Brain Stem: This is the part of your brain that controls your breathing, heart rate, and other vital functions.
Breathing During Exercise: You could virtually hold your breath while lifting weights, sprinting to your mailbox, or serving a tennis ball. But don't try it. Exhale with exertion and you will perform better, without blowing a gasket.
Broca’s Area: This part of your brain is located in your frontal left hemispheric lobe. It is responsible for your speech.
Bronchitis: Bronchitis is the technical term for inflamed airways. Bronchitis can last from a few days to a few weeks. It normally occurs after a cold or flu. When bronchitis lasts for more than a few weeks, or strikes at least once a year, it is considered chronic. Bronchitis is rampant among smokers and people with lung disease.
Burn Fat: You burn fat all day long. And all night too. But to burn fat most efficiently, a comfortable but challenging pace is your best steady-state speed to burn fat. It is not necessary to be in an "aerobic training zone" to burn fat. You burn fat all of the time. Even in your sleep. The more fit you are, the more aerobic enzymes you have, and the more fat you burn.
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