HMS, BM 2013 HSC 18 MC

What is a common feature of both the alactacid (ATP-PCr) and lactic acid energy systems?

Lactic acid is produced.
ATP is resynthesised anaerobically.
Both systems take the same period of time to recover.
The accumulation of lactic acid in the working muscles causes fatigue.

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\(B\)

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NOTE: This question has been updated to include the HMS system naming of the alactacid system with ATP-PCr.

B is correct: Both alactacid (ATP-PCr) and lactic acid systems operate without oxygen.

Other Options:

A is incorrect: Only lactic acid system produces lactic acid.
C is incorrect: Systems have different recovery time periods significantly.
D is incorrect: Only lactic acid system causes fatigue through accumulation.

♦♦ Mean mark 52%.