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Edexcel A Level PE - Energy Systems, Energy Continuum, Fatigue and Recovery June 2024 Exam Questions and Answers 100% Pass $7.49   Add to cart

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Edexcel A Level PE - Energy Systems, Energy Continuum, Fatigue and Recovery June 2024 Exam Questions and Answers 100% Pass

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  • Edexcel A level Physical Education PE
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  • Edexcel A Level Physical Education PE

Edexcel A Level PE - Energy Systems, Energy Continuum, Fatigue and Recovery June 2024 Exam Questions and Answers 100% Pass

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  • June 22, 2024
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  • Exam (elaborations)
  • Questions & answers
  • Edexcel A level Physical Education PE
  • Edexcel A level Physical Education PE
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Edexcel A Level PE - Energy Systems,
Energy Continuum, Fatigue and
Recovery June 2024 Exam Questions
and Answers 100% Pass
What is the lactate threshold? - Answer>> The highest point at
which a person can work prior to OBLA occuring

What is OBLA? - Answer>> Onset of Blood Lactate
Accumulation
-the point where the lactate threshold is surpassed and lactic acid
floods the body, causing fatigue

What is a dominant energy system? - Answer>> The energy
system that is supplying the most energy to the body at any one
time

What factors affect which energy system is the dominant one? -
Answer>> -Intensity of exercise
-Duration of exercise
-Fitness level of the individual

What is the advantage of having an understanding of energy
pathways and the energy continuum? - Answer>> It enables
athletes to target their training specifically towards a given energy
pathway/system to enable the necessary adaptations to occur

What are the seven causes of fatigue? - Answer>> -Build up of
lactic acid (OBLA)
-Glycogen depletion
-Dehydration
-Decreased Calcium levels in the sarcoplasmic reticulum
-Lack of phosphocreatine stores
-Decreased levels of acetylcholine

, -Electrolyte loss

How long does it take for glycogen stores to deplete? -
Answer>> 2 hours

What concentration of lactate in the blood causes OBLA? -
Answer>> 4mmol/l

What is the effect of a decrease in calcium ions in the
sarcoplasmic reticulum? - Answer>> Inhibition of muscular
contractions

What is the significance of acetylcholine in the body? -
Answer>> It is the dominant neurotransmitter molecule in the
body

What is oxygen consumption? - Answer>> The amount of
oxygen used by the body

What is oxygen deficit? - Answer>> A quantity of oxygen that
would've been used if it were available

What is EPOC? - Answer>> Excess Post-exercise Oxygen
Consumption - a quantity of oxygen consumed after exercise over
and above resting levels

What are the two stages/components of EPOC? - Answer>> -
Stage 1 - fast component
-Stage 2 - slow component

What is another name for the fast component of EPOC? -
Answer>> Alactacid component

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