The Energy Systems Flashcards
What enzyme breaks down Creatine Phosphate in the ATP-PC system?
Creatine Kinase
What does creatine phosphate break down into?
Creatine, Phosphate and energy
What is the equation for Adenosine Triphosphate (ATP)?
Phosphate + Adenosine Diphosphate and energy
What is the full ATP-PC system ?
Creatine Phosphate is broken down by Creatine Kinase into Creatine, Phosphate and energy. The energy and Phosphate react with Adenosine Diphosphate to make Adenosine Triphosphate
Positives of the ATP-PC system (4)
- no fatiguing by-products
- energy source already in the muscles
- does not require oxygen
- Very fast reaction
Negatives of the ATP-PC system (3)
- only lasts 10 seconds
- has a resynthesise ratio of 1:1
- Limited CP stores
What type of activities is the ATP-PC system most predominant in?
Short and High intensity activities
Where does the ATP-PC system take place?
Sarcoplasm
Which energy system lasts up to ten seconds?
ATP-PC system
Where is the Lactic acid system located?
The Sarcoplasm of the muscle
What enzyme breaks down Glycogen into Glucose?
Glycogen Phosphorylase (GPP)
How much ATP does the lactic acid system produce?
2 ATP
What is glucose broken down into and by what enzyme?
Pyruvic acid, Phosphofructokinase (PFK)
Why does pyruvic acid turn into lactic acid?
There isn’t enough oxygen
What enzyme breaks down pyruvuc acid into lactic acid?
Lactate Dehydrogonase (LDH)
Positives of the lactic acid system (4)
- Fast reaction speed
- Does not require oxygen
- moderate number ofchemical reactions
- lasts up to 2/3 minutes
negatives of the lactic acid system (2)
- duration is relative to the intensity
- releases lactic acid which lowers the muscle ph. Causing muscle fatigue
What intensity is the Aerobic system most predominant at?
Low intensity
What is the Glycolysis reactions in the Aerobic System (including enzymes and ATP)
Glycogen (Glucose Phosphorylase) >
Glucose (Phosphofructokinase) >
Pyruvic acid + 2 ATP
What is the name of the process for the Lactic Acid energy system
Anaerobic Glycolysis
The Krebs cycle part which gives off ATP and how much
Acetyl Co-enzyme > Oxyalocetic acid > Citric acid > Co2 + ATP + Acetyl Co-enzyme
The route of Pyrucvic acid to NADH in the Aerobic System
Pyruvic acid > Acetyl Co-enzyme > NAD (+ H) > NADH
The ETC cycle in the Aerobic System
NADH > H20 > Oxygen + 32 ATP
Positives of the Aerobic system (3)
- Very efficient resynthesis rate 1:32
- No fatigueing by-products
- Can use fats as a source
Negatives of the Aerobic System (2)
- Only during low-moderate intensity
- Takes much longer
What is the Threshold point?
the point at which energy systems switch over being the most predominant
What is the O2 deficit?
The accumulation in difference between the O2 requirement and O2 consumption
What two components is EPOC broken down into?
Fast and a slow component
What is EPOC
Excess post excercise oxygen consumption
