MUSCLE PHYSIOLOGY

PHYSIOLOGY

MUSCLE ENERGETICS ATP AND CP

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The ATP-PC System usually takes how long to replenish?
A
10-14 seconds
B
1-2 minutes
C
30+ minutes
D
12+ hours
Explanation: 

Detailed explanation-1: -The ATP-PC System rebounds to over 85% in about 3 minutes and is completely replenished after 10 minutes. That’s why it’s important to take rest periods of at least 3 minutes in between these maximal output exercises.

Detailed explanation-2: -The system is rapidly replenished during recovery; in fact, it requires about 30 seconds to replenish about 70% of the phosphagens and 3 to 5 minutes to replenish 100%.

Detailed explanation-3: -Duration that the system can operate – The alactacid energy system (ATP/PC) does not last very long due to the limited fuel source and fast ATP production. The alactacid system will deplete its fuel in 8 seconds when used at maximal intensity, but can take as long as 12 seconds if used at a lower intensity.

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