what the 3 energy systems are Flashcards
(40 cards)
what is the phosphate energy system (ATP-PC) DURATION
5-15 seconds depending on intensity
the intensity of ATP-PC
maximal effort
The phosphate energy system provides ATP production when
ATP stores already in the muscles are used up
The phosphate (ATP-PC) energy system provides the bulk of ATP production during what efforts
powerful or explosive efforts
examples of ATP-PC
sprinting short distances, High jump, Long Jump
how ATP-PC (phosphate energy system) works
uses a stored molecule in the muscle called creatine phosphate (CP) to resynthesise ATP amount of ADP used from ATP grows.
Chemical bond between phosphate and creatine is broken, releasing energy that is used to reconstitute ATP from ADP
repairing of creatine occurs
occurs when activity end
when does the anaerobic glycolysis system contributes majority of energy
when phosphocreatine stores are depleted and the phosphate system no longer can provide the bulk of energy production.
what intensity is the anaerobic glycolysis
high intensity - maximal activities
duration of anaerobic glycolysis
10-60 seconds
examples of the anaerobic glycolysis
400m sprint, repeated sprints in team games
what do anaerobic glycolysis use carbohydrates as
as its fule
what are the by products of anaerobic glycolysis
lactate and hydrogen ions
in the anaerobic glycolysis CHo is broken down in the digestive system to produce what
glucose
anaerobic glycolyisis is also known as
lactic acid
anaerobic glycolysis travels through the blood streams and stored in muscles and liver as
glycogen
excess CHO is stored as
adipose tissue (fat)
glycogen broken down chemically to
pyruvic acid
during breakdown of aneraobic glycolysis system releases energy which is used to resynthesise …… where pyruvic acid is converted into …
ATP in the absence of oxygen…lactic acid
what happens to the pyruvic acid when there’s an absence of oxygen
it gets converted into lactic acid
what do Lactate and hydrogen ion do
they build up the working muscles over time inhabits sporting performance
how does lactate and hydrogen ions create fatigue
causes inhibition of the muscle contractions of working muscles.
what to do when lactate and hydrogen ions create fatigue
the athlete has to stop the activity
-this allows oxygen to break down the lactate and hydrogen ions to continue muscular effort.
what system is the major contributor to produce energy when lactate and hydrogen ions accumulation
The aerobic system