Recovery During Successive 120-min Football Games : Results from the 120-min Placebo/Carbohydrate Randomized Controlled Trial
Copyright © 2024 by the American College of Sports Medicine..
PURPOSE: To examine the recovery kinetics (i.e. time-dependent changes) of performance-related variables between two 120-min male football games performed three days apart with and without carbohydrate (CHO) supplementation.
METHODS: 20 male players (20 ± 1 years; body fat: 14.9 ± 5.1%; VO2max: 59.4 ± 3.7 mL•kg-1•min-1) participated in two 120-min football games (G1, G2) according to a randomized, two-trial, repeated measures, cross-over, double-blind design. Participants received carbohydrate/Placebo supplements during recovery between games. Field activity was monitored during the games. Performance testing and blood sampling were performed before, at 90- and 120-min of each game. Muscle biopsies were collected at baseline, 90- and 120-min of G1 and pre-G2.
RESULTS: Compared to G1, G2 was associated with reduced total distance (10,870 vs. 10,685 m during 90-min and 3,327 vs. 3,089 m during extra 30-min; p = 0.007-0.038), average (6.7 vs. 6.2 m•s-1 during extra 30-min match-play; p = 0.007) and maximal speed (32.2 vs. 30.2 m•s-1 during 90-min and 29.0 vs. 27.9 m•s-1 during extra 30-min; p < 0.05), accelerations/decelerations (p < 0.05) and mean HR (p < 0.05). Repeated sprint ability (p < 0.001), jumping (p < 0.05) and strength (p < 0.001) performance were compromised before and during G2. Muscle glycogen was not restored at G2-baseline (p = 0.005). Extended game-play reduced lymphocyte, erythrocyte counts, hematocrit, hemoglobin, reduced glutathione (p < 0.05) and increased DOMS, creatine kinase activity, blood glycerol and ammonia (p < 0.05) and protein carbonyls (p < 0.05) before and during G2. Pax7+ (p = 0.004) and MyoD+ cells (p = 0.019) increased at baseline-G2. Carbohydrate supplementation restored performance and glycogen, reduced glycerol and DOMS responses, and increased leukocyte counts and Pax7+ and MyoD+ cells.
CONCLUSIONS: Results suggest that extended football games induce a prolonged recovery of performance which may be facilitated by carbohydrate supplementation during a congested game fixture.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - year:2024 |
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| Enthalten in: |
Medicine and science in sports and exercise - (2024) vom: 31. Jan. |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Ermidis, Georgios [VerfasserIn] |
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| Links: |
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| Anmerkungen: |
Date Revised 02.02.2024 published: Print-Electronic Citation Status Publisher |
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| doi: |
10.1249/MSS.0000000000003398 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM367956993 |
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| 100 | 1 | |a Ermidis, Georgios |e verfasserin |4 aut | |
| 245 | 1 | 0 | |a Recovery During Successive 120-min Football Games |b Results from the 120-min Placebo/Carbohydrate Randomized Controlled Trial |
| 264 | 1 | |c 2024 | |
| 336 | |a Text |b txt |2 rdacontent | ||
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| 500 | |a Date Revised 02.02.2024 | ||
| 500 | |a published: Print-Electronic | ||
| 500 | |a Citation Status Publisher | ||
| 520 | |a Copyright © 2024 by the American College of Sports Medicine. | ||
| 520 | |a PURPOSE: To examine the recovery kinetics (i.e. time-dependent changes) of performance-related variables between two 120-min male football games performed three days apart with and without carbohydrate (CHO) supplementation | ||
| 520 | |a METHODS: 20 male players (20 ± 1 years; body fat: 14.9 ± 5.1%; VO2max: 59.4 ± 3.7 mL•kg-1•min-1) participated in two 120-min football games (G1, G2) according to a randomized, two-trial, repeated measures, cross-over, double-blind design. Participants received carbohydrate/Placebo supplements during recovery between games. Field activity was monitored during the games. Performance testing and blood sampling were performed before, at 90- and 120-min of each game. Muscle biopsies were collected at baseline, 90- and 120-min of G1 and pre-G2 | ||
| 520 | |a RESULTS: Compared to G1, G2 was associated with reduced total distance (10,870 vs. 10,685 m during 90-min and 3,327 vs. 3,089 m during extra 30-min; p = 0.007-0.038), average (6.7 vs. 6.2 m•s-1 during extra 30-min match-play; p = 0.007) and maximal speed (32.2 vs. 30.2 m•s-1 during 90-min and 29.0 vs. 27.9 m•s-1 during extra 30-min; p < 0.05), accelerations/decelerations (p < 0.05) and mean HR (p < 0.05). Repeated sprint ability (p < 0.001), jumping (p < 0.05) and strength (p < 0.001) performance were compromised before and during G2. Muscle glycogen was not restored at G2-baseline (p = 0.005). Extended game-play reduced lymphocyte, erythrocyte counts, hematocrit, hemoglobin, reduced glutathione (p < 0.05) and increased DOMS, creatine kinase activity, blood glycerol and ammonia (p < 0.05) and protein carbonyls (p < 0.05) before and during G2. Pax7+ (p = 0.004) and MyoD+ cells (p = 0.019) increased at baseline-G2. Carbohydrate supplementation restored performance and glycogen, reduced glycerol and DOMS responses, and increased leukocyte counts and Pax7+ and MyoD+ cells | ||
| 520 | |a CONCLUSIONS: Results suggest that extended football games induce a prolonged recovery of performance which may be facilitated by carbohydrate supplementation during a congested game fixture | ||
| 650 | 4 | |a Journal Article | |
| 700 | 1 | |a Mohr, Magni |e verfasserin |4 aut | |
| 700 | 1 | |a Jamurtas, Athanasios Z |e verfasserin |4 aut | |
| 700 | 1 | |a Draganidis, Dimitrios |e verfasserin |4 aut | |
| 700 | 1 | |a Poulios, Athanasios |e verfasserin |4 aut | |
| 700 | 1 | |a Papanikolaou, Konstantinos |e verfasserin |4 aut | |
| 700 | 1 | |a Vigh-Larsen, Jeppe |e verfasserin |4 aut | |
| 700 | 1 | |a Loules, Georgios |e verfasserin |4 aut | |
| 700 | 1 | |a Sovatzidis, Apostolos |e verfasserin |4 aut | |
| 700 | 1 | |a Nakopoulou, Theofano |e verfasserin |4 aut | |
| 700 | 1 | |a Tsimeas, Panagiotis |e verfasserin |4 aut | |
| 700 | 1 | |a Douroudos, Ioannis I |e verfasserin |4 aut | |
| 700 | 1 | |a Papadopoulos, Constantinos |e verfasserin |4 aut | |
| 700 | 1 | |a Papadimas, Giorgos |e verfasserin |4 aut | |
| 700 | 1 | |a Rosvoglou, Anastasia |e verfasserin |4 aut | |
| 700 | 1 | |a Liakou, Christina |e verfasserin |4 aut | |
| 700 | 1 | |a Deli, Chariklia K |e verfasserin |4 aut | |
| 700 | 1 | |a Georgakouli, Kalliopi |e verfasserin |4 aut | |
| 700 | 1 | |a Chatzinikolaou, Athanasios |e verfasserin |4 aut | |
| 700 | 1 | |a Krustrup, Peter |e verfasserin |4 aut | |
| 700 | 1 | |a Fatouros, Ioannis G |e verfasserin |4 aut | |
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