A2 Sport and Physical Education
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| Name the three energy systems | Lactic Acid (LA) System//Aerobic Energy System//Creatine Phospate (CP) Energy system
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| How long does the CP system last? | provides immediate energy for 8-10 secs
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| Lactic Acid energy system is it aerobic or anaerobic? | anaerobic. It provides fuel for 2-3 mins of reformation of ATP.
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| Match Lactic Acid with definition | Short term - high intensity - anaerobic - employs white fast twitch muscle fibres
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| Match Aerobic Energy system with | long term - aerobic - employs red slow twitch muscle fibres
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| How long does the Aerobic energy system last? | as long as there is sufficient oxygen to meet demand.
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| Which fuels does the Aerobic Energy system use? | Glycogen from liver//fat stores from body//oxygen we breathe// and as a last resort protien from muscle.
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| Which three food groups provide us with necessary energy | carbs//fats//protiens
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| what does ATP stand for? | Adenosine Tri-phosphate
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| Cp system is used in which activity | 100m sprint
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| LA system | 400m sprint
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| aerobic system | walking//jogging//cycliing//distance running
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| average blood pressure reading for a healthy adult is | 120/80
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| average heart BPM for a healthy adult is | 60-80 bpm
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| What is OBLA? | The onset of blood lacate accumulation
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| The lactate threshold for untained people occurs | around 50 - 60% of their VO2 max
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| The lactate threshold for endurance athletes can occur | around 70 - 80% of their VO2 max
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| EPOC refers to | excess post exercise oxygen consumption
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| EPOC is required to perform 3 tasks. What are they? | Replacement of ATP
Removal of lactic acid
Replinishment of myoglobin with oxygen
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| What is the alactacid oxygen debt component? | Fast component of recovery that converts ADP back into ATP & PC
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| What is the lactacid oxygen debt? | The slow component of the recovery process that oxidises lactic acid into CO2 and H2O and converts Lactic acid into glycogen for storage
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| Restoration of muscle phosphagen stores takes place | When exercise has finished
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| Lactacid oxygen recovery takes place | As soon as lactic acid appears in the muscle cell
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| Anaerobic glycolysis takes place | in the sarcoplasm of the muscle cell
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| Aerobic glycolysis takes place | in the mitochondria
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| An equation which summarises the CP system | ADP + CP - ATP + Creatine
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| strength uses which muscle fibres? | white fast twitch
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| strength training uses which energy system | lactic acid
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| endurance training use reps of | 15-25 50-60% 1RM
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| endurance training uses which energy system? | aerobic
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| which muscle fibres are used in endurance training? | red slow twitch
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| Immediate muscle soreness is due to | the effects of an increase in muscle acidity
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| muscular endurance training provides | developmenht of red slow twitch muscle fibres//muscle tone//aerobic and LA energy systems//capillarisation increase in worked muscles//neuromuscluar efficiency//increase no and size mitochondria
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| Muscle soreness felt a day after activity is a result of | structural damage within the muscle cell membranes
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