Half-Bench Squats: Don’t use a bench to rest on for half squats. Your stabilizer muscles in your spine relax forcing you to lose stability.
Hamstrings: The muscles on the back of your upper leg. It is made up of your semitendinosis,
semimembranosis, and biceps femoris.
HDL Cholesterol: There are two types of cholesterol, actually three. High density lipoproteins (HDL) - the good cholesterol, Low Density Lipoproteins (LDL) - the bad cholesterol, and Very Low Density Lipoproteins(VLDL) - also bad guys.
Heart Failure: This is where your heart loses its ability to efficiently pump blood throughout body.
Heart Rate Training: Monitoring your heart rate while you perform anaerobic and aerobic training to reach certain heart rate levels.
Heartburn: Digestive juices usually follow gravity; they go down, not up. But if digestive juices go up, there is a problem. It’s called heartburn. Your throat feels on fire and there may be pressure under your ribs. It's not very pleasant, but it is common.
Helicobacter Pylori (H. Pylori): A spiral bacterium found at the surface of the stomach epithelium has recently been shown to be a major cause of gastritis and peptic ulcer disease.
Hematuria: Hematuria or blood in your urine may be associated with a wide range of conditions. The bleeding will occur at a site of physical trauma, such as a stone cutting the tissue or bleeding from an infection. Your urine becomes red or brown in color. If the amount of blood is small it might not be noticed, but it can be detected by a number of simple tests.
Hemorrhagic Stroke: A type of stroke that occurs when a blood vessel ruptures. This cuts off the supply of oxygen and nutrition to parts of your brain. High blood pressure is the main cause of such strokes.
Hemorrhoids: Hemorrhoids are cushions of tissue that line your lower rectum. They serve to produce complete closure of your anal canal. Symptoms of hemorrhoids are bleeding, protrusion and pain.
Heparin: An anticoagulant drug that inhibits blood from clotting. It interferes with coagulation factors. Heparin is usually administered in the hospital either by an injection or an intravenous line.
Herniated disk: Very painful. A herniated disk is a displacement of some portion of one of your spinal disks out of its normal location.
Hiatal Hernia: Part of your stomach protrudes into your chest through an opening in your diaphragm.
High-Density-Lipoprotein (HDL): A.K.A. good cholesterol. HDL is a lipoprotein that protects the arteries by transporting cholesterol from body cells to the liver for elimination.
Hippocampus: A part of your brain’s limbic system that is involved in learning, memory, and emotion.
Histamine: A chemical present in specific cells throughout your body. It is a mediator of allergic reactions.
Holter Monitor: A portable device that you wear continuously to measure electrical activity of your heart.
Home Workout Machines: A machine can be well-made but still feel funny. Try the machine in the store. How does your lower back, joints, and muscles feel? Your seat should be comfortable during long exercise sessions. Bars or pull-handles should be padded and feel okay even after several minutes. How hard are the control knobs to adjust? Is the machine too noisy for your home?
Hormone therapy: Using drugs to keep male hormones such as testosterone from stimulating the growth of prostate cancer cells.
Hormone-Replacement Therapy (HRT): HRT augments a woman’s depleted hormones after she reaches menopause. HRT is a combination of estrogen and progesterone. The purpose of HRT is to reduce osteoporosis risk.
Hormones: These are chemical released from glands into your bloodstream. They affect organs or tissues elsewhere in your body.
Humerus: Upper arm bone.
Hydrogen Breath Test: A diagnostic test for carbohydrate malabsorption. The test measures the amount of hydrogen in your exhaled breath.
Hydrogenation: Check the ingredients on the wrapper of your candy bar for the word “hydrogenated.” Hydrogenation means the addition of hydrogen to a substance. It makes unsaturated oils and soft fats hard.
Hyperglycemia: This is a measure of high levels of glucose (sugar) in your blood.
Hyperlipidemia: A measure of high levels of blood fats (lipids).
Hypertension: A.K.A. high blood pressure. High blood pressure is a major risk factor for stroke. Hypertension causes excess stress on the walls of your blood vessels and damages their delicate inner lining.
Hyperthyroidism: Overactivity of your thyroid gland is called hyperthyroidism. It may be caused by a
Hypertrophy: A.K.A. muscle growth.
Hypothyroidism: Hypothyroidism is an under activity of your thyroid. It results in too little production of thyroid hormone. Although hypothyroidism may be caused by a variety of diseases that affect the hypothalamus and pituitary gland, this condition is usually due to disorders of the thyroid gland itself.
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