Echocardiography: Doctors use echocardography to provide them with a visualization of the heart. It s uses ultrasound.
Ectomorph: There are three distinct body types, and a variety of in-betweens. Ectomorphs are thin and small boned. They have a hard time putting on weight. Kate Moss is an example of an ectomorph.
elbow. Either the protein in the tendon has broken down, or some of the blood vessels in the area have become blocked according to some experts. The tissue becomes unhealthy and it hurts.
Electrocardiogram (ECG): These are those wavy lines you see on the E.R. crash cart. ECG’s record electrical activity within your heart.
Electromyography (EMG): This diagnostic procedure measures the electrical activity in your muscles.
Elliptical Machines: One of the hottest items in gyms. You burn one and one half more calories moving backwards on an elliptical machine than forwards because you must use your stabilizer muscles in a different motor unit pattern.
Embolism: A blood clot,or clump of material called an embolus blocks arterial blood flow and causes an embolism.
Encephalitis: Inflammation of your brain.
Endomorph: Endomorphs are big-boned, pear-shaped, and always seem to be on a diet. Roseanne Barr is an endomorph. Most of us are on a continuum between body types. There are ecto-mesomorphs, ecto-endomorphs, and meso-endomorphs.
Endorphins: A.K.A. the “runners high”. Endorphins are a natural morphine-like substances produced in your body in response to pain, exercise, or the pain of exercise.
Endoscopy: A doctor inserts a flexible tube down your throat to see your upper gastrointestinal tract.
Energy Bars: Energy bars are tasty and convenient. But four researchers recently found that a bagel gives the same exercise performance benefits as an energy bar.
Enteric Nervous System (ENS): A complex network of nerves in your stomach wall that communicates with your brain.
Epinephrine: A.K.A. adrenalin. A chemical that can act as a neurotransmitter or a hormone. It constricts your blood vessels and increases your heart rate.
Epithelium: An outer layer of cells that line your stomach or skin.
Erector spinae: A long muscle mass that extends down your back. These muscles attach from your pelvis, to the bony processes of your vertebrae, and to your rib cage, and upper parts of your spine.
Esophagitis: Inflammation of your esophagus.
Esophagus: A.K.A. gullet. It is a tubular passageway from your pharynx to your stomach.
Estrogen: A female sex hormone. But men have it too, at very low levels.
Estrogen-replacement therapy (ERT): As some women age, they decide to replace their declining hormones using ERT. They take estrogen to help prevent osteoporosis.
Exercise stress test: A test used to determine your heart’s response to exercise. It is usually administered in a hospital setting . While you are walking on a treadmill, an electrocardiogram (a bunch of wavy lines) measures how your heart handles the stress of exercise.
Exercise: Regular vigorous exercise increases your need for calories and nutrients. Exercise improves your elimination and metabolism, which means you need to eat regularly. Physical exercise is also a stressor that may increase free-radical formation.
Extensor, Flexor Muscles: A.K.A. forearm muscles.
External Obliques: Your external obliques are your visible (if there is not a layer of fat covering them) "hands in your front pocket muscles." These muscles help you pull and twist, or reach across your body as you lean forward.
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