MUSCLE PHYSIOLOGY

PHYSIOLOGY

MUSCLE ENERGETICS ATP AND CP

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Our body uses 3 energy systems to produce ATP-aerobic, anaerobic glycolysis, and ATP-CP. These 3 energy systems are able to generate ATP at different rates as well as different yields. Which of the following statements is true in regards to the rate and yield of ATP production?
A
The ATP-PC system has the fastest rate of ATP production, as well as the largest yield relative to the other energy systems.
B
Fat metabolised by the aerobic energy system has the slowest rate of ATP production, but can produce the largest yield relative to the anaerobic energy systems
C
Anaerobic glycolysis produces more ATP from a glucose molecule than aerobic glycolysis.
D
Anaerobic glycolysis has a faster rate of ATP production than the ATP-PC system
Explanation: 

Detailed explanation-1: -ATP-PC system is predominantly used during maximum intensity activities lasting no longer than 10 seconds. Anaerobic Glycolysis system is predominantly used for high intensity activities lasting approximately 1 minute. Aerobic system is predominantly used during medium to low intensity activity.

Detailed explanation-2: -The phosphagen system (also called the ATP-CP system) is the quickest way to resynthesize ATP (Robergs & Roberts 1997).

Detailed explanation-3: -The three main energy systems that generate ATP are the aerobic oxidation system, the anaerobic system, and the phosphagen energy system. These three systems work together to provide ATP for all of the body’s energy-requiring activities.

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