Exercise Physiology: Energy 3

Exercise Physiology: Energy 3

1. Energy Continuum

   • "The relative contribution of all 3 systems" Predominant system based upon: Duration and Intensity
   • The ATP/PC = V. High
   • LA = High
   • Aerobic = Moderate
   • ROBLA Rapid Onset Blood Lactate Accumulation
     • Effects of OBLA: PH levels decrease, PH levels inhibit enzymes this slows down the reaction, inhibits the ability of the receptors to function correctly
   • Threshold: The point at which an energy system becomes dominant
   • 1-2 MMOL of LA per litre of blood = Normal
     • 4 MMOL = ROBLA occurs
       • Steep curve, PH levels drop Inhibits enzyme reaction cant sustain intensity so pain receptors kick in
   • Capacity of the three energy systems
     • Lactate threshold and OBLA
       • How energy is provided during mechanical work

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