Figure 2. Glucose tracer data.
A, plasma [6,6-2H2]glucose enrichment (mean + s.e.m..); B, plasma glucose level (mean + s.e.m..). * Significantly different from the mean resting value, † significantly different from the mean value observed during exercise at 40 % Wmax, ‡ significantly different from the mean value observed during exercise at 55 % Wmax (P < 0.05).