SN Applied references

bethdrysdale94's version from 2017-06-03 16:15

Section 1

Question Answer
Saris 1989: detailsfood intake and EE during extreme sustained exercise: the Tour de France 4000km
Saris 1989: methodsfood intake (daily food records) and EE (sleeping time, low activity period, cycling). in 5 cyclists during 22 day race of TdF
Saris 1989: resultsEI = 24.6MJ (5899kcal). EE = 25.4MJ (6067kcal). 62% CHO (871g, 30% from CHO intake from CHO-rich liquids). 23% fat 15% protein. Vitamin B nutrient density decreased during race by large intake of refined CHO-rich foods, vit supp was high.
Saris 1989: conclusionsstrategy of intake of large quantities of CHO-rich liquids seems to be appropriate answer to maintain E and fluid balance under these extreme conditions

Section 2

Question Answer
Hulston & Jeukendrup 2009: detailsinvestigate possibility of placebo effect from CHO intake during prolonged ex
Hulston & Jeukendrup 2009: methods3 trials, 120 min steady state cycling then TT > water >PLA and > 6% CHO-electrolyte solution. placebo had identical colour and flavour to CHO drinks.
Hulston & Jeukendrup 2009: resultsCHO enhanced TT performance by 11.3% vs water, 10.6% vs placebo. no diff between water and placebo > no placebo effect

Section 3

Question Answer
Carter 2004: detailseffect of CHO mouth rinse on 1h TT performance
Carter 2004: methods2 performance trials, accomplish set amount of work as quickly as possible. 6.4% CHO rinsed around mouth for every 12.5% of trial completed. vs water rinse. 5 second rinse.
Carter 2004: resultspositive effect on 1h TT performance. mechanism: increase central drive/motivation rather than metabolic cause.

Section 4

Question Answer
Cox 2010: detailseffects of varying daily CHO intake by providing/withholdings CHO during daily training on endurance performance, whole body substrate oxidation, and selected mitochondrial enzymes.
Cox 2010: methodshigh CHO group, E-matched low CHO group (28d). pre-study and final 5days, subjects undertook a 5d test block = trial, 100min steady state cycling (100ss) followed by TT on two occasions, separated by 72h. water vs 10%glucose. muscle biopsies
Cox 2010: resultsdaily CHO intake, providing or withholding CHO during daily training in trained athletes > differences in selected metabolic adaptations to exercise, including oxidation of exogenous CHO. However these metabolic changes do not alter the training-induced magnitude of increase in exercise performance

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