PMID- 7768238
OWN - NLM
STAT- MEDLINE
DCOM- 19950706
LR  - 20190830
IS  - 0301-5548 (Print)
IS  - 0301-5548 (Linking)
VI  - 70
IP  - 2
DP  - 1995
TI  - Influence of carbohydrate-electrolyte drinks on marathon running performance.
PG  - 154-60
AB  - The aim of this study was to compare the effects of drinking two carbohydrate 
      (CHO) electrolyte solutions and water on marathon running performance. Seven 
      endurance-trained runners completed three 42.2-km treadmill time-trials which 
      were randomly assigned and 4 weeks apart. On each occasion the subjects ingested 
      3 ml.Kg-1 body weight of either water (W), a 6.9% CHO solution (O) or a 5.5% CHO 
      solution (L) immediately prior to the start of the run and 2 ml.kg-1 body weight 
      every 5 km thereafter. The total volume of fluid ingested [mean (SEM)] was 1112 
      (42), 1116 (44) and 1100 (44) ml, respectively. Running times for W, O and L 
      trials were 193.9 (5.0), 192.4 (3.3) and 190.0 (3.9) min, respectively. 
      Performance time for the L trial was faster (P < 0.05) compared with that of the 
      W trial. Running speed was maintained in the L trial, whereas it decreased after 
      10 km (P < 0.05) in the W and after 25 km (P < 0.05) in the O trial. Blood 
      glucose and lactate, and hormonal responses to fluid ingestion were similar in 
      all three trials. Higher plasma free fatty acid and glycerol concentrations were 
      observed at the end of the W trial compared with those obtained after the O and L 
      trials, respectively (P < 0.05). Plasma ammonia concentration was higher (P < 
      0.01) at the end of the L trial compared with the W trial. Plasma creatine kinase 
      concentration was higher (P < 0.05) 24 h after the completion of the L trial than 
      after the W trial.(ABSTRACT TRUNCATED AT 250 WORDS)
FAU - Tsintzas, O K
AU  - Tsintzas OK
AD  - Department of Physical Education, Sports Science and Recreation Management, 
      Loughborough University, UK.
FAU - Williams, C
AU  - Williams C
FAU - Singh, R
AU  - Singh R
FAU - Wilson, W
AU  - Wilson W
FAU - Burrin, J
AU  - Burrin J
LA  - eng
PT  - Clinical Trial
PT  - Journal Article
PT  - Randomized Controlled Trial
PT  - Research Support, Non-U.S. Gov't
PL  - Germany
TA  - Eur J Appl Physiol Occup Physiol
JT  - European journal of applied physiology and occupational physiology
JID - 0410266
RN  - 0 (Carbohydrates)
RN  - 0 (Electrolytes)
RN  - 0 (Fatty Acids, Nonesterified)
RN  - 0 (Hormones)
RN  - 0 (Lactates)
RN  - 33X04XA5AT (Lactic Acid)
RN  - 7664-41-7 (Ammonia)
RN  - PDC6A3C0OX (Glycerol)
SB  - IM
MH  - Adult
MH  - Ammonia/blood
MH  - *Beverages
MH  - Carbohydrates/*pharmacology
MH  - Drinking
MH  - Electrolytes/*pharmacology
MH  - Fatty Acids, Nonesterified/blood
MH  - Glycerol/blood
MH  - Heart Rate/drug effects
MH  - Hormones/blood
MH  - Humans
MH  - Lactates/blood
MH  - Lactic Acid
MH  - Male
MH  - Oxygen Consumption/drug effects
MH  - Physical Endurance/*drug effects
MH  - Pulmonary Gas Exchange/drug effects
MH  - Running/*physiology
EDAT- 1995/01/01 00:00
MHDA- 1995/01/01 00:01
CRDT- 1995/01/01 00:00
PHST- 1995/01/01 00:00 [pubmed]
PHST- 1995/01/01 00:01 [medline]
PHST- 1995/01/01 00:00 [entrez]
AID - 10.1007/BF00361543 [doi]
PST - ppublish
SO  - Eur J Appl Physiol Occup Physiol. 1995;70(2):154-60. doi: 10.1007/BF00361543.