what is catabolism
breakdown of molecules; exergonic; releases energy
what is anabolism
synthesis of molecules; endergonic; requires energy
what are the 3 energy systems in muscle to replenish ATP
phosphates system, glycolysis, oxidative system
what is lactate threshold
exercise intensity at which blood lactate abruptly increases above baseline concentration
what is unsold of blood lactate accumulation
second increase in rate of lactate accumulation
what are activities determined by
intensity and duration of the activity
what is oxygen deficit
amount of energy supplies by anaerobic mechanisms
what can combination training do
decrease anaerobic performance