Aerobic respiration means ‘with oxygen’ and occurs when the body produces energy from chemical reactions using oxygen. The Krebs cycle is part of aerobic metabolism. You can sustain aerobic exercise for as long as breathing supplies your lungs with enough oxygen. However, when you begin exercising your body cannot deliver oxygen fast enough for the […]
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Anaerobic respiration is when the body produces energy for exercise without oxygen. There are two types of anaerobic respiration that you need to know about. The immediate ATP-PC system and the Lactic Acid system. The human body generates energy for muscles in three ways: Aerobic energy system ATP-PC system Lactic Acid system The aerobic system
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The human digestive system breaks down food so it is available to the body for energy, cell growth, and repair. Here we explain the organs and processes that enable our bodies to convert food into sports performance. Digestive system function Video explaining the structure, function, and passage of food through the digestive system. Breaking down food
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VO2 max is the measure of the peak volume of Oxygen (VO2) you can consume and use in a minute and is a popular measure of an athlete’s aerobic fitness. It is measured in ml/kg/min. The per kilogram part means that an athlete’s body weight is taken into account. Oxygen is needed to produce energy
Respiratory volumes are the amount of air inhaled, exhaled, and stored within the lungs at any given time. There are a number of different measurements and terms which are often used to describe this including tidal volume, inspiratory reserve volume, residual volume, vital capacity, and more. Here we explain the main respiratory volumes. Tidal Volume
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The action of breathing in and out is due to changes in pressure within the chest (thorax). This action is also known as external respiration and is created by the muscles of the chest and the diaphragm changing the size of the chest cavity (and air pressure). Here we explain the mechanics of breathing and
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The function of the human respiratory system is to transport air into the lungs and facilitate the diffusion of oxygen into the bloodstream. It also receives waste Carbon Dioxide from the blood and exhales it. Here we explain the anatomy of the airways and how oxygen gets into the blood. The respiratory system organs are
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Sir Isaac Newton stated three laws that explain the relationship between force and movement. Having a good understanding of Newton’s laws, which can be applied to sporting situations, will allow you to gain a deeper understanding of sports techniques. Newton’s first law of motion “A body continues in a state of rest or uniform velocity
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The Human Skeleton is divided into two parts, the axial skeleton which is the central core of the body, and the appendicular skeleton which forms the extremities of the arms and legs. Bones of the Axial Skeleton The Axial Skeleton is the central core of the human body housing and protecting its vital organs. It
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The rate and distribution of blood flow through the circulatory system are variable and related to several factors including physical activity, cardiac output (the amount of blood pumped out of the heart), and venous return, or the blood returning to the heart through the veins. What is blood pressure? Blood pressure (BP) is defined as
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