Use of Fats In Sports
Presence in the body fat is considered as a biological system, especially for energy reserves in the cells and as a component of cell membranes. Fat has a composition similar to the carbohydrate unless a different ratio of oxygen to hydrogen.
Fat is the largest energy-producing nutrients, more than twice the amount of energy produced by carbohydrates. However, fat is a source of energy is not economical use. Therefore, fat metabolism spend more oxygen than carbohydrates.
Fats or triglycerides in the body is converted into fatty acids and glycerol. In addition to producing energy, fat is a transporter of fat-soluble vitamins and as a source of essential fatty acids, fatty acids such as linoleic. Endurance sports is a sport which is done by low to moderate intensity and lasted a long time. Fat is an important energy source for muscle contraction during endurance sports.
Donations fat as energy for muscle contraction depends on the intensity and duration of exercise. Low-intensity exercise and was also carried out in the long term, the energy released in addition to carbohydrates, mostly from fat.
Fat Metabolism
Fats or triglycerides in the body is converted into fatty acids and glycerol. Fatty acids formed can be directly used as an energy source by many cells, except red blood cells and cells of central nervous system can only use glucose. While long-chain fatty acid metabolism requires a career system for the transport into the mitochondria of cells.
Fat that can be oxidized as an energy source composed of triglycerides, free fatty acids and triglycerides intra muscular. Free fatty acids bound to albumin in the blood of the metabolism of fat tissue is a major contribution on fat metabolism during muscle contraction. While free fatty acids bound to albumin in the blood of the metabolism of intra muscular triglyceride and plasma triglyceride levels during muscle contraction is not known clearly.
Muscle contraction is due to the energy of beta oxidation of free fatty acid and biochemical reaction in the Kreb’s path derived from fat tissue lipolysis. Muscles get free fatty acids and use them in the form of energy is usually determined by the concentration of fat in the blood and the ability of muscle to fatty acid oxidation. Increased free fatty acid levels in the blood and its use by the muscles to reduce the use glokogen and blood glucose. Fatty acid levels usually peak after 2-4 hours sports activities.
Intra-muscular triglycerides can also be used by the muscles to contract. Intra muscular triglyceride trusted more important at the beginning of muscle contraction and during high intensity exercise, where lipolysis of fat tissue for energy formation is still inhibited
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