energy systems Flashcards
what are the three energy systems
atp-pc system-anaerobic
anaerobic glycolysis system
aerobic system
what is the app-pc system also known as
phosphate system
what is atp
adenosine triphosphate is a molecule in the cell the allows for quick and easy access to energy when needed by the cell’s organelles
what does atp do
releases energy when the chemical bonds are broken
atp system
doesn’t require oxygen to create atp
supplies about 10 seconds of energy
uses our bodies stored atp
atp waste products
has none
sporting events for the atp
weight lifting and long/high jump
anaerobic glycolysis
creates atp from glucose
doesn’t need oxygen
waste product is lactic acid which fatigues the muscle
produces energy for 10 seconds-2 minutes
sporting events are 200m swim, 400m sprint
aerobic system
uses oxygen to convert nutrients to atp
no waste products
sporting events are walking, marathons, triathlons, cross country skiing, afl midfielder
3+ hours
food=
energy - atp
what do the three systems do together
all work together to continually resynthesize atp
how much atp is stored in the muscle
about 2-3 seconds
how does the atp-pc system work
it uses up the atp in the muscles first then uses creatine phosphate to resynthesise atp until the cp runs out (6-8 secs)
how do we test the atp-pc system
muscular power-vertical jump or basketball throw
how do we test the anaerobic glycolysis system
muscular endurance- pushups situps and lunges for 2mins
aerobic system- preferred fuels for fats
rest and extended exercise (3+ hours)
aerobic system- preferred fuels for carbohydrates
exercise up to approx 3 hours
aerobic system- preferred fuels for proteins
used only at a last resort - ultra triathlons
how do we test the aerobic system
cardiovascular endurance - 12 minute walk run and record the distance covered in 12 mins
example of energy system interplay - afl
atppc- kicking for goal
anaerobic glycolysis- repeat efforts to tackle; sustained sprint
aerobic-tagging your player; jogging; walking; resting in position; recovery
where are carbohydrates stored
blood (glucose)
muscles (glycogen)
excess (liver adipose tissue)
where are fats stored
blood (fatty acid)
muscles (triglycerides)
excess (adipose tissue)
where are proteins stored
blood (amino acids)
muscles (amino acids)
excess (adipose tissue)
how do we get energy
the breakdown of adenosine triphosphate
atp is the bodies ………….. of all body cells
currency
what does atp consist of
an adenosine molecule and 3 phosphate groups
what happens when the bond breaks
large amount of energy is released which creates adp (adenosine and 2 phosphate)and an inorganic phosphate
how can atp be resynthesized
fats, proteins, carbs
CHO=
carbohydrates
FAT=
lipids
PROTEIN-blood muscle and excess
amino acids, amino acids and adipose tissue
FAT- blood mucscle and excess
fatty acids, triglycerides, adipose tissue
CHO-blood muscle and excess
glucose, glycogen and liver adipose tissue
example of carbs
high gi (rapidly digested and absorbed)- white bread, soft drinks low gi (digested slowly)- grain bread, rice , pasta
example of fats
oil avocado Nuts Nut butters Fish Processed foods Milk Cream
example of proteins
meat Nuts Lentils Tofu Beans
