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Fatigue & Recovery

Energy systems and the most likely cause of fatigue

ATP-PC

  1. Fuel Depletion- PC,ATP,ADP

  2. Accumulation of metabolic by-products- Pi(inorganic phosphates), ADP

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Anaerobic Glycolysis

  1. Accumulation of metabolic by-products-H+ ions, Pi

  2. Reduced neuromuscular events- Decreased CNS firing

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Aerobic

  1. Fuel Depletion- Glycogen stores then fats

  2. Elevated body temperature- dehydration, blood flow away from muscles

Energy systems recovery

ATP-PC

Passive -rest recovery

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Anaerobic Glycolysis

Active recovery 75 % using same muscle groups, massage, contrast hot cold baths

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Aerobic

Dietary- High Gi immediately, rehydration

Non -Dietary- Massage, Hydro/water based therapies, active recovery

Can you

  • Define LIP

  • Identify LIP on a graph

  • Understand why lactate accumulates beyond LIP

  • describe the impact of exercise intensities beyond LIP on fatigue

  • identify the differences in LIP between a trained and untrained athlete

  • describe how training can improve LIP

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