Physical education - Energy systems Exam Questions And Answers 100% Pass.
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Course
Energy Systems
Institution
Energy Systems
Physical education - Energy systems Exam
Questions And Answers 100% Pass.
What is ATP energy? - AnswerATP is energy that powers the mechanisms involved in
muscular interaction.The body must resynthesise ATP on an ongoing basis.
adensoine triposphate (ATP) - AnswerBasic structure of adenosine an...
Physical education - Energy systems Exam
Questions And Answers 100% Pass.
What is ATP energy? - Answer✔ATP is energy that powers the mechanisms involved in
muscular interaction.The body must resynthesise ATP on an ongoing basis.
adensoine triposphate (ATP) - Answer✔Basic structure of adenosine and three phosphate (P)
molecules
What is phosphorylation? - Answer✔chemical reactions using the body's available fuels add a
phosphate group back to ADP to make more ATP
energy required to resynthesis ATP - Answer✔Chemical
- Phosphocreatine (creatine phosphate and PC)
Food
-CHO
-Lipids
-Protein
characteristics of CHO - Answer✔-Preferred source of fuel during exercise
-Stored as glycogen in the liver (100g) and muscles (400g)
-Glucose travels in the blood cells then enters muscle cells
-Absorbed at different rates according to GI
-Less oxygen than lipids
-Can be broken down with completely or without incomplete oxygen
characteristics of lipids - Answer✔-Preferred source of fuel at rest (2/3) and low intensities
-Stored as adipose tissue around the body or within muscles as triglycerides
-Contain the most energy, need a lot of O2 to break down
-Complex chemical reaction, produce energy at a slower rate
-Lipids being used as an energy source decrease at increased intensity
-Fats become more important when CHO are depleted
characteristics of protein - Answer✔-Only used in extreme circumstances
-Stored as muscle tissue
-Built from amino acids
-Lots of O2 to breakdown
-Growth and repair
-Only used when all other sources are depleted
Explain ATP demand - Answer✔ATP resynthesis (supply) must be able to meet the ATP
demand of the activity. determined by intensity and duration
define intensity - Answer✔how hard the exercise is performed
define duration - Answer✔how long the activity last for
characteristic of the ATP PC system (aka, food/ chemical fuel, intensity, rate and yield,
dominance, peak power, by products, sporting e.g.) - Answer✔AKA
-Phosphate system, PC, CP or phosphocreatine system, phosagen system
Fuel source
-Phosphocreatine, creatine phosphate
Intensity
-Maximal, explosive, 95%+ HR max
Rate of ATP
-Fastest
Yield of ATP
-Limited, low, 0.7 ATP per PC molecule
Dominance
-0 - 10 seconds, (0- 25 for elite)
Peak power
-2 - 4 seconds
By products
-Inorganic phosphate
Sporting e.g.
-100 m sprint
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