Table 1.

Amount of carbohydrates required to prevent hypoglycemia during exercises of different durations and intensities in people with type 1 diabetes. Adapted from Grimm, Ybarra, Berne, Muchnick and Golay [41].

Intensity	<20 min	20–60 min	>60 min
<60% HRmax	0–10 g	10–20 g	15–35 g/h
60%–75% HRmax	10–20 g	20–60 g	20–100 g/h
>75% HRmax	20–30 g	30–100 g	30–150 g/h

HR_max = heart rate maximum.