How does training affect performance?
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1 Name: How does training affect performance? CQ1 DP1 energy systems alactacid system (ATP/PC) lactic acid system aerobic system analyse each energy system by exploring: source of fuel efficiency of ATP production duration that the system can operate cause of fatigue by-products of energy production process and rate of recovery
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3 HSC EXAM What is the most effective source of fuel for replenishing energy stores after an athlete has completed a 800 metre track event? (A) Fat (B) Fibre (C) Protein (D) Carbohydrate HSC EXAM Which of the following will contribute to fatigue of the aerobic energy system? (A) An increase of blood glucose and muscle glycogen (B) An increase in lactic acid and creatine phosphate (C) A decrease in lactic acid and creatine phosphate (D) A decrease of blood glucose and muscle glycogen Use the graph below to answer Questions 18 and Which curve best represents the aerobic energy expenditure? (A) W (B) X (C) Y (D) Z 19 Which curve represents the energy system which relies primarily on glucose in the blood as its fuel source for a quick supply of ATP? (A) W (B) X (C) Y (D) Z
4 HSC EXAM What is increased by an athlete s use of creatine supplementation? (A) Phosphocreatine stores and muscle glycogen (B) Phosphocreatine stores and the ability to resynthesise ATP (C) Haemoglobin concentration in the blood and muscle glycogen (D) The ability to break down lactic acid and to resynthesise ATP HSC EXAM What is a common feature of both the alactacid and lactic acid energy systems? (A) Lactic acid is produced. (B) ATP is resynthesised anaerobically. (C) Both systems take the same period of time to recover. (D) The accumulation of lactic acid in the working muscles causes fatigue. HSC EXAM 2014 Question 27 (5 marks) Compare the two anaerobic energy systems. 5 Marks
5 HSC EXAM What is the cause of fatigue for the alactacid system? (A) Lack of essential amino acids (B) Lack of muscle glycogen stores (C) Inability to re-synthesise phosphate creatine (D) Inability to convert carbohydrates to glycogen HSC EXAM What is the most likely cause of fatigue in a runner completing a 100 m sprint? (A) Dehydration (B) Accumulation of lactic acid (C) Depletion of muscle glycogen (D) Depletion of phosphate creatine HSC EXAM What are the waste products of the aerobic energy system? A. Lactate, heat, water B. Lactate, oxygen, creatine C. Carbon dioxide, heat, water D. Carbon dioxide, oxygen, creatine Question 25 (7 marks) Compare TWO different energy systems by exploring their duration, sources of fuel and causes of fatigue. Use examples to support your answer. 7 marks TRIAL HSC Which of the following is correct of the alactacid energy system? (A) (B) (C) (D) Source of fuel ATP Glucose ATP Creatine phosphate Duration that the system can operate about 30 seconds at near maximal effort 2 to 3 hours of intermittent exercise 4 to 6 hours of intermittent exercise about 10 seconds at maximal effort By-products of energy production Lactic acid Carbon dioxide and water Carbon dioxide and water Nil
6 TRIAL HSC Observe the graph showing contribution of energy systems versus time. Which fuel is the predominant source of energy in system A? (A) (B) (C) (D) Oxygen Creatine phosphate ADP Lactic acid PDHPETA Long Jump has the following characteristics. Length of activity Up to 2 hours Intensity of activity % Rest between attempts At least 3 mins Which energy system is used predominantly by the long jumper? (A) ATP-CP (B) Lactic acid (C) Anaerobic glycolysis (D) Aerobic PDHPETA The aerobic energy system uses carbohydrates as its main source of fuel. What source of fuel will this energy system use when carbohydrates are depleted? a) Glycogen and then fats b) Protein and then fats c) Glucose and then protein d) Fats and then protein
7 Question 25 Study the below table: Percentage Contribution By Energy Systems in Different Sports A B C Baseball 80% 15% 5% Marathon 0% 2% 98% Golf Swing 100% 0% 0% Swim (1.5km) 10% 20% 70% Soccer 60% 20% 20% Athletics Field events 90% 10% 0% Adapted from a) Identify the energy systems represented by A, B and C 2 marks Energy System A Energy System B Energy System C b) Compare the features of TWO of the energy systems identified in Part (a) 6 marks
8 PDHPETA An endurance athlete completes an event lasting 2 and a half hours. During this activity which of the following correctly outlines the contribution of fuel for energy production in this event? a) The use of carbohydrates will decrease towards the end of the event b) The use of protein will increase towards the end of the event c) The only fuel source utilised throughout the event is fat d) Throughout the event the use of fat will decrease PDHPETA Examine the table below X Y Z Fuel Source Carbohydrates Carbohydrates Phosphate creatine Cause of Fatigue Lactic acid Glycogen depletion ATP depletion By products of energy protection Lactic acid Which energy system is labelled as Y? A. ATP/PC system B. Aerobic system C. Alactacid system D. Lactic acid system Carbon dioxide and water None PDHPETA 2016 Question 4 relates to the table below 4. What is the cause of fatigue represented by the letter Z? (A) Depletion of PC (B) Accumulation of ATP (C) Depletion of Glycogen (D) Accumulation of Lactic acid PEM TRIAL Which of the following would contribute to fatigue of the ATP/PC energy system? (A) Depletion of oxygen (B) Depletion of lactic acid (C) Depletion of glycogen (D) Depletion of Creatine Phosphate (PC)
9 Question 26 (6 marks) Compare the sources of fuel for each energy system in terms of the efficiency of ATP production. PEM TRIAL Features of an energy system are displayed below The energy system displayed is: (A) Aerobic Energy System (B) Lactic Acid Energy System (C) ATP/PC Energy System (D) Anaerobic Energy System
How does training affect performance?
Name: How does training affect performance? CQ1 DP1 energy systems alactacid system (ATP/PC) lactic acid system aerobic system analyse each energy system by exploring: source of fuel efficiency of ATP
How does training affect performance?
Name: How does training affect performance? CQ1 DP1 energy systems alactacid system (ATP/PC) lactic acid system aerobic system analyse each energy system by exploring: source of fuel efficiency of ATP
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