Card Set Information
What are the 3 energy systems ? (3)
-anaerobic energy system
Phosphagen Energy System) AKA
Immediate energy system
Phosphagen Energy System) AKA II
Phosphagen Energy System) Stores of high energy phosphates (2)
Anaerobic energy system) what macro is involved in here?
Anaerobic energy system) does it require oxygen?
Anaerobic energy system) AKA
Aerobic energy system) which macros does it involved?
Aerobic energy system) does it require oxygen ?
Yes it does
Aerobic energy system) AKA
CAn aerobic energy system be used for high intense exercise?
No bc it cannot produce energy quickly so its more suitable for like long distance
What can low CHO intake result in? (2)
Muscle protein breakdown and loss of muscle mass
*gluconeogenesis forms CHO from PRO
What is the small ATP pool used for?
It is used for energy whenever instantaneous energy is needed
Examples of ATP pool usage (3)
Energy systems ) Phosphagen system is used when...
During short bursts of intense activities
Energy systems ) examples of activities for when phsophagen is used?
-10 seconds of intense, all out activity such as short sprint or activity
Examples of "during longer slating sprint activities of lower intensity "
1-3 minutes of all-out activity such as long sprint or activity
During longer lasting sprint activities of lower intensity (800 m run) the main supplier is the...
Anaerobic system with the help from phospahgen and aerobic systems
Examples of during longer lasting activities of even lower intensity (2)
-4-6 minutes of all out activity
-long duration and non-steady activity
suring longer lasting activities of even lower intensity (mile run) the main supplier becomes (2)
Aerobic system with help from anaerobic system
During long lasting activities of low intensity, the main supplier is
Aerobic system with minimal help from the other systems
Examples of "during long lasting activities of low intensity " (2)
30 minutes of continuous activity
Long duration, steady state aerobic activity
CHO used during exercise can come from, (3)
-muscle and liver glycogen stores
-endogenous production of glucose by the liver
-carbohydrate consumed during exercise
Sources of CHO during exercise: muscle and liver glycogen
The body's primary CHO reserves
Liver glycogen: contains the body's...
Highest amount of glycogen
Liver glycogen: maintains the body's
Blood glucose overnight when fasting
Sources of CHO during exercise: glycogenolysis , what is it?
Breakdown of liver glycogen
Sources of CHO during exercise: what does glycogenolysis help maintain?
Blood glucose levels
Sources of CHO during exercise: gluconeogenesis, what are the substrates used for this? (4)
Sources of CHO during exercise: where are the substrates shuttled to during gluconeogenesis?
To the liver for glucose production
Sources of CHO during exercise: what is gluconeogenesis a major source of glucose for?
Working muscles during prolonged exercise
Gluconeogenesis : where does lactate come from?
Primarily comes from the metabolism of glucose to lactate through glycolysis
Gluconeogenesis : alanine , it is the primary...
Amino acid released by working muscle
Gluconeogenesis : how is alanine made
Combining nitrogen with pyruvate
Gluconeogenesis : pyruvate , how do cells attain this?
Leaks from the working cells into the blood
Gluconeogenesis : glycerol, how do we grab glycerol?
Adipose tissue or muscle triglycerides are broken down into glycerol and fatty acids q
Use of glycogen during exercise: depends on exercise intensity
-higher intensities use muscle glycogen faster
Hormones increased with exercise: (4)
Hormones increased with exercise: cortisol
Hormones increased with exercise: Norepinephrine
Stimulates breakdown of stored fat and glucose for energy
Hormones increased with exercise: epinephrine
Promotes glycogenolysis in the muscle and liver
Hormones increased with exercise: glucagon (2)
Released in response to low BG
Causes gluconeogenesis & glycogenolysis to increase BG
Hormones decreased with exercise : insulin
Decrease with exercise as the body needs glucose to be releases not stored