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Cori cycle. The Cori cycle (also known as the lactic acid cycle), named after its discoverers, Carl Ferdinand Cori and Gerty Cori, [1] is a metabolic pathway in which lactate, produced by anaerobic glycolysis in muscles, is transported to the liver and converted to glucose, which then returns to the muscles and is cyclically metabolized back to lactate.
Although exercising at lower intensities improves aerobic conditioning, the most rapid gains are made when exercising close to the anaerobic threshold. [17] This is the intensity at which the heart and lungs can no longer provide adequate oxygen to the working muscles and an oxygen debt begins to accrue; at this point the exercise becomes ...
Moderate intensity exercise is defined as exercise that increases heart rate to 55-74% of maximum heart rate. [42] High intensity exercise increasing the heart rate to 70-100% of maximum heart rate for shorter intervals is at least as effective, and this type of exercise may increase oxygen uptake by the heart compared to moderate intensity ...
Heart disease is the No. 1 cause of death in the U.S. Yet, according to the American Heart Association, half of Americans are unaware of this sobering statistic. The good news is that a diet ...
Sometimes called diet-induced thermogenesis (DIT), this is the energy your body uses to digest and process food. After you eat, your metabolism ramps up a bit to break down what you’ve consumed ...
This article was reviewed by Craig Primack, MD, FACP, FAAP, FOMA. Zone 2 training is a type of cardio exercise where you use your heart rate as a guide to help you find the right intensity for ...
Starvation response in animals (including humans) is a set of adaptive biochemical and physiological changes, triggered by lack of food or extreme weight loss, in which the body seeks to conserve energy by reducing metabolic rate and/or non-resting energy expenditure to prolong survival and preserve body fat and lean mass.
Chronic obstructive pulmonary disease (COPD) is a type of obstructive lung disease characterized by chronically poor airflow. It typically worsens over time. The main symptoms include shortness of breath, cough, and excessive mucus production. [4] As COPD gets worse, shortness of breath worsens making eating, exercising or breathing much more ...