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A comparison of the effects of milk and a carbohydrate-electrolyte drink on the restoration of fluid balance and exercise capacity in a hot, humid environment

Phillip Watson, Thomas D Love, Ronald J Maughan, Susan M Shirreffs, Tom Love Orcid Logo

European Journal of Applied Physiology, Volume: 104, Issue: 4, Pages: 633 - 642

Swansea University Author: Tom Love Orcid Logo

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DOI (Published version): 10.1007/s00421-008-0809-4

Abstract

To determine the effect of skimmed milk (MILK) and a sports drink (CHO-E) in restoring fluid balance following exercise-induced dehydration and on subsequent exercise performance. Seven physically active males cycled intermittently in the heat until 2% body mass was lost. During a 1h rehydration per...

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Published in: European Journal of Applied Physiology
ISSN: 1439-6319 1439-6327
Published: 2008
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URI: https://cronfa.swan.ac.uk/Record/cronfa15736
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spelling 2015-07-01T14:43:45.3674731 v2 15736 2013-09-04 A comparison of the effects of milk and a carbohydrate-electrolyte drink on the restoration of fluid balance and exercise capacity in a hot, humid environment ec50e8c32b3a1274b1022f9d5412478c 0000-0002-9404-5394 Tom Love Tom Love true false 2013-09-04 STSC To determine the effect of skimmed milk (MILK) and a sports drink (CHO-E) in restoring fluid balance following exercise-induced dehydration and on subsequent exercise performance. Seven physically active males cycled intermittently in the heat until 2% body mass was lost. During a 1h rehydration period a CHO-E (23mmol Na+/L) or MILK (32mmol Na+/L) was consumed in a volume equivalent to 150% of body mass loss. Following a 3h recovery period, subjects cycled to exhaustion at 61% VO2peak in hot-humid conditions (35°C, 63%). Participants were in positive fluid balance at the end of the 3h recovery period when MILK (191 ± 162 mL) was consumed and euhydrated on CHO-E (-135 ± 392 mL). This difference in fluid balance (326 ± 354 mL), equivalent to 0.4% BM, approached significance (P=0.051). No differences were observed in plasma volume between trials but serum osmolality and stomach fullness were higher on MILK than CHO-E (P<0.05). Rectal temperature was higher on MILK at the onset of the exercise capacity test, but no differences in skin temperature, RPE, heart rate or exercise capacity were observed between MILK (39.7 ± 8.1min) and CHO-E (39.6 ± 7.3min). The results suggest that despite the positive effect on fluid balance, the ingestion of MILK following exercise-induced dehydration did not improve exercise capacity compared to a CHO-E. Journal Article European Journal of Applied Physiology 104 4 633 642 1439-6319 1439-6327 Fluid balance, dehydration, rehydration 10 7 2008 2008-07-10 10.1007/s00421-008-0809-4 http://link.springer.com/article/10.1007%2Fs00421-008-0809-4 COLLEGE NANME Sport and Exercise Sciences COLLEGE CODE STSC Swansea University 2015-07-01T14:43:45.3674731 2013-09-04T16:27:46.2192749 Faculty of Science and Engineering School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Sport and Exercise Sciences Phillip Watson 1 Thomas D Love 2 Ronald J Maughan 3 Susan M Shirreffs 4 Tom Love 0000-0002-9404-5394 5
title A comparison of the effects of milk and a carbohydrate-electrolyte drink on the restoration of fluid balance and exercise capacity in a hot, humid environment
spellingShingle A comparison of the effects of milk and a carbohydrate-electrolyte drink on the restoration of fluid balance and exercise capacity in a hot, humid environment
Tom Love
title_short A comparison of the effects of milk and a carbohydrate-electrolyte drink on the restoration of fluid balance and exercise capacity in a hot, humid environment
title_full A comparison of the effects of milk and a carbohydrate-electrolyte drink on the restoration of fluid balance and exercise capacity in a hot, humid environment
title_fullStr A comparison of the effects of milk and a carbohydrate-electrolyte drink on the restoration of fluid balance and exercise capacity in a hot, humid environment
title_full_unstemmed A comparison of the effects of milk and a carbohydrate-electrolyte drink on the restoration of fluid balance and exercise capacity in a hot, humid environment
title_sort A comparison of the effects of milk and a carbohydrate-electrolyte drink on the restoration of fluid balance and exercise capacity in a hot, humid environment
author_id_str_mv ec50e8c32b3a1274b1022f9d5412478c
author_id_fullname_str_mv ec50e8c32b3a1274b1022f9d5412478c_***_Tom Love
author Tom Love
author2 Phillip Watson
Thomas D Love
Ronald J Maughan
Susan M Shirreffs
Tom Love
format Journal article
container_title European Journal of Applied Physiology
container_volume 104
container_issue 4
container_start_page 633
publishDate 2008
institution Swansea University
issn 1439-6319
1439-6327
doi_str_mv 10.1007/s00421-008-0809-4
college_str Faculty of Science and Engineering
hierarchytype
hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Sport and Exercise Sciences{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Sport and Exercise Sciences
url http://link.springer.com/article/10.1007%2Fs00421-008-0809-4
document_store_str 0
active_str 0
description To determine the effect of skimmed milk (MILK) and a sports drink (CHO-E) in restoring fluid balance following exercise-induced dehydration and on subsequent exercise performance. Seven physically active males cycled intermittently in the heat until 2% body mass was lost. During a 1h rehydration period a CHO-E (23mmol Na+/L) or MILK (32mmol Na+/L) was consumed in a volume equivalent to 150% of body mass loss. Following a 3h recovery period, subjects cycled to exhaustion at 61% VO2peak in hot-humid conditions (35°C, 63%). Participants were in positive fluid balance at the end of the 3h recovery period when MILK (191 ± 162 mL) was consumed and euhydrated on CHO-E (-135 ± 392 mL). This difference in fluid balance (326 ± 354 mL), equivalent to 0.4% BM, approached significance (P=0.051). No differences were observed in plasma volume between trials but serum osmolality and stomach fullness were higher on MILK than CHO-E (P<0.05). Rectal temperature was higher on MILK at the onset of the exercise capacity test, but no differences in skin temperature, RPE, heart rate or exercise capacity were observed between MILK (39.7 ± 8.1min) and CHO-E (39.6 ± 7.3min). The results suggest that despite the positive effect on fluid balance, the ingestion of MILK following exercise-induced dehydration did not improve exercise capacity compared to a CHO-E.
published_date 2008-07-10T03:17:54Z
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score 11.035634

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