During Sustained Muscular Work in Humans, the Use of Fatty

Question

During sustained muscular work in humans, the use of fatty acids as an energy source
A) increases.
B) decreases.
C) does not change.
D) increases first and then decreases after 2 hours.

Accepted Answer

During sustained muscular work, the body increasingly relies on fatty acids as an energy source, especially as glycogen stores become depleted.