Evidence map›Paper›PMID 33726784›Full record

Trial reportJournal of the International Society of Sports Nutrition2021

Effect of whey vs. soy protein supplementation on recovery kinetics following speed endurance training in competitive male soccer players: a randomized controlled trial.

Savvas Kritikos, Konstantinos Papanikolaou, Dimitrios Draganidis, Athanasios Poulios, Kalliopi Georgakouli, Panagiotis Tsimeas, Theofanis Tzatzakis, Dimitrios Batsilas, Alexios Batrakoulis, Chariklia K Deli and 4 more

2 registry-linked trialsOpen access · goldAbstract readRandomized Controlled Trial
PubMed Full text at PMC Publisher
In one paragraph

Trial report in Journal of the International Society of Sports Nutrition, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to 2 registered trials, which are not on this map. Cited by 30 papers, 6 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
30citing papers in PubMed, 6 pooled it
2.8field-weighted citation impact, top 9% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

NCT03753321 nacompletednot on this map

Comparison of the Effect of Whey and Soy Protein Supplementation on Muscle Damage Markers and Performance After a Speed Endurance Training Protocol in Football Players

TypeinterventionalSponsorUniversity of ThessalyRan2018 to 2019Enrolled10ConditionsSkeletal Muscle Damage, Muscle Damage, Athletic PerformanceArmsWhey protein, Soy protein, Placebo (maltodextrin)
NCT06096389 nacompletednot on this mapstarted 2023, after this paper: background citation

Effect of Acheta Domesticus Supplementation on Post-Exercise Muscle Recovery in Recreationally Active Male

TypeinterventionalSponsorUniversity of MalayaRan2023 to 2023Enrolled39ConditionsMuscle SorenessArms100 Drop Jumps, Whey supplementation, Carbohydrate supplementation, House cricket supplementation
3 · Its place in the literature

Who cites it

30 citing papers in PubMed, 6 syntheses or guidelines pooled it, 39 citations in OpenAlex.

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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

14 authors at 3 institutions in 3 countries.

Savvas KritikosDepartment of Physical Education and Sport Science, University of Thessaly, Karies, 42100, Trikala, Greece.
Konstantinos PapanikolaouDepartment of Physical Education and Sport Science, University of Thessaly, Karies, 42100, Trikala, Greece.
Dimitrios DraganidisDepartment of Physical Education and Sport Science, University of Thessaly, Karies, 42100, Trikala, Greece.
Athanasios PouliosDepartment of Physical Education and Sport Science, University of Thessaly, Karies, 42100, Trikala, Greece.
Kalliopi GeorgakouliDepartment of Physical Education and Sport Science, University of Thessaly, Karies, 42100, Trikala, Greece.
Panagiotis TsimeasDepartment of Physical Education and Sport Science, University of Thessaly, Karies, 42100, Trikala, Greece.
Theofanis TzatzakisDepartment of Physical Education and Sport Science, University of Thessaly, Karies, 42100, Trikala, Greece.
Dimitrios BatsilasDepartment of Physical Education and Sport Science, University of Thessaly, Karies, 42100, Trikala, Greece.
Alexios BatrakoulisDepartment of Physical Education and Sport Science, University of Thessaly, Karies, 42100, Trikala, Greece.
Chariklia K DeliDepartment of Physical Education and Sport Science, University of Thessaly, Karies, 42100, Trikala, Greece.
Athanasios ChatzinikolaouDepartment of Physical Education and Sport Sciences, Democritus University of Thrace, 69100, Komotini, Greece.
Magni MohrDepartment of Sports Science and Clinical Biomechanics, SDU Sport and Health Sciences Cluster (SHSC), Faculty of Health Sciences, University of Southern Denmark, Odense, Denmark.
Athanasios Z JamurtasDepartment of Physical Education and Sport Science, University of Thessaly, Karies, 42100, Trikala, Greece.
Ioannis G FatourosDepartment of Physical Education and Sport Science, University of Thessaly, Karies, 42100, Trikala, Greece. ifatouros@pe.uth.gr.ORCID http://orcid.org/0000-0002-8475-8411
University of Thessaly · GRDemocritus University of Thrace · GRUniversity of the Faroe Islands · FO

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundSoccer-specific speed-endurance training induces short-term neuromuscular fatigue and performance deterioration over a 72-h recovery period, associated with elevated markers of exercise-induced muscle damage. We compared the effects of whey vs. soy protein supplementation on field activity, performance, muscle damage and redox responses following speed-endurance training in soccer players.

methodsTen well-trained, male soccer players completed three speed-endurance training trials, receiving whey protein (WP), soy protein (SP) or an isoenergetic placebo (PL; maltodextrin) according to a randomized, double-blind, crossover, repeated-measures design. A pre-loading period was applied in each trial during which protein supplementation was individually adjusted to reach a total protein intake of 1.5 g/kg/day, whereas in PL protein intake was adjusted at 0.8-1 g/kg/day. Following pre-loading, two speed-endurance training sessions (1 and 2) were performed 1 day apart, over a 3-day experimental period. During each session, field activity and heart rate were continuously monitored using global positioning system and heart rate monitors, respectively. Performance (isokinetic strength of knee extensors and flexors, maximal voluntary isometric contraction, speed, repeated sprint ability, countermovement jump), muscle damage (delayed-onset of muscle soreness, creatine kinase activity) and redox status (glutathione, total antioxidant capacity, protein carbonyls) were evaluated at baseline (pre), following pre-loading (post-load), and during recovery from speed-endurance training.

resultsHigh-intensity and high-speed running decreased (P ≤ 0.05) during speed-endurance training in all trials, but WP and SP mitigated this response. Isokinetic strength, maximal voluntary isometric contraction, 30-m speed, repeated sprint ability and countermovement jump performance were similarly deteriorated during recovery following speed-endurance training in all trials (P ≤ 0.05). 10 m speed was impaired at 24 h only in PL. Delayed-onset of muscle soreness, creatine kinase, total antioxidant capacity and protein carbonyls increased and glutathione decreased equally among trials following speed-endurance training (P ≤ 0.05), with SP inducing a faster recovery of protein carbonyls only at 48 h (P ≤ 0.05) compared to WP and PL.

conclusionsIn conclusion, increasing daily protein intake to 1.5 g/kg through ingestion of either whey or soy protein supplements mitigates field performance deterioration during successive speed-endurance training sessions without affecting exercise-induced muscle damage and redox status markers.

trial registrationName of the registry: clinicaltrials.gov.

trial registrationNCT03753321 . Date of registration: 12/10/2018.

Indexed as

Dietary SupplementsEndurance TrainingAntioxidantsAthletic PerformanceCompetitive BehaviorCreatine KinaseCross-Over StudiesDouble-Blind MethodGlutathioneHumansMaleMuscle FatigueMuscle, SkeletalMyalgiaOxidation-ReductionProtein CarbonylationAntioxidantsCreatine KinaseGlutathioneSoybean ProteinsWhey ProteinsExercise-induced muscle damageIntensified trainingPerformanceProtein ingestionRecovery

Identifiers

PMID33726784
PMCPMC7968192
OpenAlexW3138654403

What OpenQuestion holds

Textmetadata
LicenceCC BY
Read underepoch 390

Registered trials

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.