Practice Quiz

NASM Personal Trainer

Category - Sciences

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When doing a typical workout, with sets ranging from 8 to 12 repetitions each, which energy system will be placed under the most stress?
  1. Glycolytic system
  2. ATP-PC system
  3. Oxidative system
  4. Electron transport chain (ETC)
Explanation
Answer - A -The Glycolytic system will be placed under the most stress during a typical workout, with sets ranging from 8 to 12 repetitions each. Glycolysis provides the body with about 30 to 50 seconds worth of energy, which is the approximate amount of time, needed to complete 8 to 12 repetitions. When starting a set, the body will use the ATP-PC system for the first 10 to 15 seconds before switching over to the Glycolytic system.
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