The primary fuel during endurance exercise is.....?? (please choose one answer)?

3 ⤊

a. liver glycogen
b. muscle glycogen
c. muscle
d. fatty acids
e. none of them

2007-02-26 02:14:59 · 3 answers · asked by supersteveee 2 in Health ➔ Diet & Fitness

at 85-95% heart rate max it will be glycogen. Carbs are more efficient fuel for the body.

at 65% of heart rate max it will be fatty acids.

2007-02-26 02:21:10 · answer #1 · answered by sirtitan45 4 · 1⤊ 1⤋

fatty acids.

2007-02-26 02:17:56 · answer #2 · answered by Anonymous · 2⤊ 0⤋

2007-02-26 02:18:13 · answer #3 · answered by aiguyaiguy 4 · 0⤊ 0⤋