Chapter 3 Flashcards
(53 cards)
ATP-CP system is the _____ system for ____
1) alactic
2) Power
Anaerobic glycolysis is the ____ system for _____
1) Lactic system
2) Speed
Aerobic metabolism is aka ______ and it’s used for _____
1) Oxidative phosphorylation
2) Endurance
All 3 energy systems are used all the time but the amount each is used depends on the _____ and _____ of exercise
Duration and intensity
Once produced, ATP is stored in the ____ and it lasts ____ seconds
1) Muscle
2) 2-3 seconds
The amount of PC stored in muscles is about ____ that of ATP
3x
Most resynthesis of ATP from PC takes place in the first ___ seconds of maximal muscle contraction and little occurs after ____ seconds
1) 10
2) 20
Muscle fibre that are high in PC are ___ and ____
1) Fast glycolytic
2) Fast oxidative-glycolytic
Muscle fibers low in PC are ____
Slow oxidative
Fast glycolytic muscle fibres are aka ____
1) Type 2x
Fast Oxidative-Glycolytic are aka ____
Type 2a
Slow oxidative fibers are aka ____
Type 1
There is relative contributions of aerobic and anaerobic energy production at _________ for varying durations
Maximal maintainable intensity
POWER event
1) Duration is?
2) Example?
3) Enzyme system?
4) Enzyme location
5) Fuel storage site?
6) Rate of process
7) Storage form?
8) Oxygen involvement?
1) 0-2 seconds
2) weight-lifting/shotput
3) single enzyme
4) Cytosol
5) Cytosol
6) immediate/very fast
7) ATP + CP
8) No
Phosphocreatine is similar to ATP in that energy is released when the _____
Phosphate group is cleaved from CP
Cells store 5x more ____ than ____
CP than ATP
When ADP concentration increases intracellularly, _____ cleaves PCr.
In other words, as ATP is used up, ____ provides energy to resynthesize more _____ quickly
1) Creatine Kinase
2) PCr
3) ATP
AMP, ADP, Pi and Cr signal the cells to initiate ______ and initiate _____
1) Glucose/glycogen breakdown (glycolysis)
2) Initiate mitochondrial ATP production (aerobic metabolism)
ATP-CP system is for sports that demand a very high ____ and adequate _____
1) Intensity
2) recovery times
Physical training increases the muscles quantity of ____
high energy phosphates
At low intensity (walking) you will not notice any ______ because _____ and the ____ take over easily without fatigue or change in performance
1) ATP-PC Fatigue
2) Anaerobic glycolysis
3) Aerobic system
At moderate intensity (Jogging) you are unlikely to feel fatigue in terms of ______
1) Changes in performance
At high intensity (Sprinting) performance is likely to decrease after ____
5-10 seconds before anaerobic glycolysis and aerobic metabolism kicks in
What will ATP-PC fatigue feel like?
1) Not likely to cause ____ due to ____ from ____
2) Not likely to feel ___
3) Likely to simply be a _____
1) burning in the legs; lactate build up; anaerobic glycolysis
2) out of breathe
3) Decrease in performance (lowering of intensity)
