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Kinesiology 2230A/B- Final Exam Guide - Comprehensive Notes for the exam ( 62 pages long!)


Department
Kinesiology
Course Code
Kinesiology 2230A/B
Professor
Glen Belfry
Study Guide
Final

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Western
Kinesiology 2230A/B
FINAL EXAM
STUDY GUIDE

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Energy
Energy
Energy is neither created or destroyed it’s transformed
The longer the duration is, the lower the power (watts = J/sec) you are
able to generate
Energy in biological reactions produce heat.
o 1 kcal = 4.2 kJ = raise the temperature of 1 kg of water 1 C at
15 C
Efficiency = work produced / free energy of ATP (output/input)
o Excluding heat generation
o 70-80% of energy used transformed to heat
o only 20-30% efficient
How many oxygen is used is correlated to how much energy is used
Exothermic = releasing energy
Endothermic = taking energy
All energy on the planet comes from sunlight.
Nutritional Sources
Fat and carbohydrate are all made of C, H, and O
Protein is adding N on top
Energy Storage
CHO are stored in muscles (most readily avaliable) and liver.
5x glycogen in muscles compared to liver
73000 kcal of fat storage in body
1g CHO = 4 kcal
1g fat = 9 kcal
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2
o more H in fat so more energy
CHO is stored in form of glycogen.
o = glucose + water!
o Heavy if you store a lot
Fat is stored in form of triglyceride
o 1 glycerol + 3 fatty acids
o a lot more H
o glycerol go through glycolysis and FA go through beta
oxidation
Release vs. storage
O2 at the end of electron transport chain 2 H bind with it to make
water
CHO yields 5.05 kcal/LO2, stores 4.1 kcal/g
Fat yields 4.69 kcal/LO2 but stores 9.4 kcal/g
However 2.7 g of water is stored with 1g of CHO 4.1 kcal/3.7g stored
CHO compound gives us 1.1 kcal/g
Free energy change
ΔG = product energy reactant energy
ΔG negative endergonic
o ADP + Pi + E ATP
ΔG positive exergonic
o PCr Pi + Cr + E
Endergonic reactions can only occur when paired with exergonic
reaction
Equilibrium reactants and products have no NET change (but still
moves)
Reactions move to equilibrium release energy in this process
As products builds us the reaction rate slows down till equilibrium
ΔG = 0
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