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Energy Systems Adaptations to Training

Energy Systems Adaptations to Training. Energy systems : increased aerobic and anaerobic enzymes; increased use of fats as an energy source. Energy System Adaptations to Anaerobic Training. ATP – CP Will increase stores of ATP & CP Anaerobic Glycolysis (Lactic Acid System)

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Energy Systems Adaptations to Training

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  1. Energy Systems Adaptations to Training Energy systems: increased aerobic and anaerobic enzymes; increased use of fats as an energy source

  2. Energy System Adaptations to Anaerobic Training • ATP – CP • Will increase stores of ATP & CP • Anaerobic Glycolysis (Lactic Acid System) •  in levels of glycolytic enzymes • Less Lactic Acid produced, more efficient Cori cycle (converting lactic acid in the liver back to glucose to use) • Increased buffering capacity (acid-base balance) more able to tolerate lactic acid for longer! • More energy can be produced through these systems

  3. Adaptation to Aerobic Training • ↑the availability of carbohydrate and fats as substrate to meet cellular needs for ATP resynthesis. • ↑ capillary density • ↑ myoglobin content (increases extract of O2 to the muscle cells) • ↑ activity of oxidative enzymes (aerobic pathways) • ↑oxidative capacity linked to ↑ numbers of mitochondria • Therefore O2 ↑ utilization

  4. Adaptation to Aerobic Training Increased capacity to oxidize Fatsshifts the energy source from glucose to fat (to spare glucose) Decreased utilisation of the anaerobic glycolysis (LA) system ↓ lactateconcentration ↑ clearance of lactate during exercise

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