longed exercise. Journal of Applied Physiology 80 ,
949–954.
Jeukendrup, A.E., Wagenmakers, A.J.M., Brouns, F.,
Halliday, D. & Saris, W.H.M. (1996b) Effects of carbo-
hydrate (CHO) and fat supplementation on CHO
metabolism during prolonged exercise. Metabolism
45 , 915–921.
Jeukendrup, A.E., Brouns, F., Wagenmakers, A.J.M.
& Saris, W.H.M. (1997a) Carbohydrate feedings
improve 1 H time trial cycling performance. Interna-
tional Journal of Sports Medicine 18 , 125–129.
Jeukendrup, A.E., Mensink, M., Saris, W.H.M. &
Wagenmakers, A.J.M. (1997b) Exogenous glucose
oxidation during exercise in trained and untrained
subjects.Journal of Applied Physiology 82 , 835–840.
Jeukendrup, A.E., Thielen, J.J.H.C., Wagenmakers,
A.J.M., Brouns, F. & Saris, W.H.M. (1998) Effect of
MCT and carbohydrate ingestion on substrate uti-
lization and cycling performance. American Journal of
Clinical Nutrition 67 , 397–404.
Jeukendrup, A.E., Raben, A., Gijsen, A. et al. (1999)
Glucose kinetics during prolonged exercise follow-
ing glucose ingestion: a comparison of tracers.
Journal of Physiology 515 , 579–589.
Koivisto, V.A., Karonen, S.-L. & Nikkila, E.A. (1981)
Carbohydrate ingestion before exercise: comparison
of glucose, fructose and placebo. Journal of Applied
Physiology 51 , 783–787.
Kuipers, H., Costill, D.L., Porter, D.A., Fink, W.J. &
Morse, W.M. (1986) Glucose feeding and exercise in
trained rats: mechanisms for glycogen sparing.
Journal of Applied Physiology 61 , 859–863.
Leijssen, D.P.C., Saris, W.H.M., Jeukendrup, A.E. &
Wagenmakers, A.J.M. (1995) Oxidation of orally
ingested [^13 C]-glucose and [^13 C]-galactose during
exercise. Journal of Applied Physiology 79 , 720–725.
Lindeman, A.K. (1991) Nutrient intake in an ultraen-
durance cyclist. International Journal of Sport Nutrition
1 , 79–85.
McConell, G., Kloot, K. & Hargreaves, M. (1996) Effect
of timing of carbohydrate ingestion on endurance
exercise performance. Medicine and Science in Sports
and Exercise 28 , 1300–1304.
Massicotte, D., Peronnet, F., Brisson, G.R. & Hillaire-
Marcel, C. (1992) Oxidation of exogenous medium-
chain free fatty acids during prolonged exercise:
comparison with glucose. Journal of Applied Physiol-
ogy 73 , 1334–1339.
Maughan, R.J. & Leiper, J.B. (1995) Sodium intake and
post-exercise rehydration in man. European Journal of
Applied Physiology and Occupational Physiology 71 ,
311–319.
Mitchell, J.B., Costill, D.L., Houmard, J.A., Flynn, M.G.,
Fink, W.J. & Beltz, J.D. (1988) Effects of carbohydrate
ingestion on gastric emptying and exercise perfor-
mance.Medicine and Science in Sports and Exercise 20 ,
110–115.
Rauch, L.H.G., Rodger, I., Wilson, G.R. et al. (1995) The
effect of carbohydrate loading on muscle glycogen
content and cycling performance. International
Journal of Sport Nutrition 5 , 25–36.
Rehrer, N.J., Brouns, F., Beckers, E.J., ten Hoor, F. &
Saris, W.H.M. (1990) Gastric emptying with repeated
drinking during running and bicycling. International
Journal of Sports Medicine 11 , 238–243.
Saris, W.H.M., van Erp-Baart, M.A., Brouns, F.,
Westerterp, K.R. & ten Hoor, F. (1989) Study on
food intake and energy expenditure during extreme
sustained exercise: the Tour de France. International
Journal of Sports Medicine 10 , S26–S31.
Saris, W.H.M., Goodpaster, B.H., Jeukendrup, A.E.,
Brouns, F., Halliday, D. & Wagenmakers, A.J.M.
(1993) Exogenous carbohydrate oxidation from dif-
ferent carbohydrate sources during exercise. Journal
of Applied Physiology 75 , 2168–2172.
Sherman, W.M., Costill, D.L., Fink, W.J. & Miller, J.M.
(1981) The effect of exercise and diet manipulation
on muscle glycogen and its subsequent utilization
during performance. International Journal of Sports
Medicine 2 , 114–118.
Shirreffs, S.M., Taylor, A.J., Leiper, J.B. & Maughan, R.J.
(1996) Post-exercise rehydration in man: effects of
volume consumed and drink sodium content. Medi-
cine and Science in Sports and Exercise 28 , 1260–1271.
Wagenmakers, A.J.M., Brouns, F., Saris, W.H.M. &
Halliday, D. (1993) Oxidation rates of orally ingested
carbohydrates during prolonged exercise in man.
Journal of Applied Physiology 75 , 2774–2780.
Westerterp, K.R., Saris, W.H.M., van Es, M. & ten Hoor,
F. (1986) Use of doubly labeled water technique in
man during heavy sustained exercise. Journal of
Applied Physiology 61 , 2162–2167.