energy system Flashcards
what is ATP composed of?
one adenosine molecule and three phosphate molecules.
name the three different energy systems.
aerobic system
phospho creatine/CP system
Lactate system
what enzyme breaks down creatine phosphate to yield ATP molecule
creatine kinase
what does OBLA stand for? and wat sensations are associated with it?
onset of blood lactate accumulation. which is associated with breathlessness, heavy limbs and pain.
when does OBLA occur?
when too much lactic acid builds up in the muscles
what does the word aerobic mean?
it means with oxygen
what two main macronutrients supply energy to cellular aerobic metabolism to produce ATP?
Fat (fatty acids) and carbohydrate(glucose)
what does the aerobic system break down to produce ATP
carbohydrate, fat and protein in the presence of oxygen
what 4 things does the aerobic system produce from breaking down carbohydrate and fat?
ATP, carbond dioxide, water and heat
what two things determine the type of energy system that the body uses during activity?
intensity and duration of activity
