HMS, BM EQ-Bank 160 MC

A 100 metre sprint athlete is performing at maximal intensity. Which energy system would predominantly be utilised in the first 10 seconds of the race?

ATP-PCr
Glycolytic
Aerobic
ATP-PCr and Aerobic

Show Answers Only

\(A\)

Show Worked Solution

A is correct: ATP-PCr system provides immediate energy for high-intensity activities lasting 0 – 10 seconds.

Other Options:

B is incorrect: The Glycolytic system becomes predominant after ~10 seconds
C is incorrect: Aerobic system takes several minutes to become predominant
D is incorrect: These systems don’t predominantly work together in first 10 seconds