Glossary of Terms 223 Lactate: Byproduct of glucose utilization by muscle cells during anaerobic glycolysis. Lactate threshold (LT): The intensity of exercise at which lactate begins to accumulate in the blood at a faster rate than it can be removed. Linear periodization: Traditional model with gradual progressive increases in intensity over time. Load: Amount of weight assigned to an exercise set. Long slow distance (LSD) training: A form of continuous training performed at a constant pace of low to moderate intensity over an extended distance or duration. Low-intensity steady state (LISS): Any form cardio- and aerobic-based activity that's performed at a low intensity but for a prolonged period of time (typically 30-60 minutes). Macronutrient: Type of food (e.g., fat, protein, carbohydrate) required in large amounts in the human diet. Magnetic resonance imaging (MRI): A procedure that uses magnetism, radio waves, and a computer to create pictures from inside the body. Major minerals: Minerals your body needs in relatively large (or major) quantities. Major minerals include sodium, potassium, chloride, calcium, phosphorus, magnesium and sulfur. Maximal effort method: One of the three methods of strength training used by powerlifters to develop muscular strength. Maximal lactate steady state (MLSS): Highest blood lactate concentration and work load that can be maintained over time without a continual blood lactate accumulation. Maximum heart rate (MHR): The maximum number of beats made by the heart in 1-minute during physical exertion. Meal planning made easy (MPME): A dietary strategy that implements MyPlate guidance in terms of daily caloric intake and recommended number of servings of fruits, vegetables, grains, protein and dairy. Melatonin: A hormone released at night by the pineal gland that is associated with control of the body’s sleep-wake cycle. Metabolic equivalent (MET): A MET also is defined as oxygen uptake in ml/kg/min with one MET equal to the oxygen cost of sitting quietly, equivalent to 3.5 ml/kg/min. Metabolic resistance training: A method of strength training used for fat loss that incorporates supersetting certain core lifts (e.g., bench + bent-over row) and finishes with a drop sets of another core lift (e.g., deadlift). Metabolism: Metabolism is the total processes (both anabolic and catabolic) used by the body to get or make energy from food. Micronutrient: Type of food (e.g., vitamins, minerals) required in trace amounts in the human diet.
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