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54 Results Found

  • Article
  • Open Access
2 Citations
7,270 Views
17 Pages

Effects of Creatine Supplementation after 20 Minutes of Recovery in a Bench Press Exercise Protocol in Moderately Physically Trained Men

  • Luis Maicas-Pérez,
  • Juan Hernández-Lougedo,
  • Juan Ramón Heredia-Elvar,
  • Blanca Pedauyé-Rueda,
  • Ana María Cañuelo-Márquez,
  • Manuel Barba-Ruiz,
  • María del Carmen Lozano-Estevan,
  • Pablo García-Fernández and
  • José Luis Maté-Muñoz

28 January 2023

Background: The aims of this study were to analyse the effect of creatine supplementation on the performance improvement in a bench pressing (BP) strength test of muscle failure and to evaluate muscle fatigue and metabolic stress 20 min after the exe...

  • Article
  • Open Access
2 Citations
3,453 Views
15 Pages

Does Colostrum Bovinum Supplementation Affect Swimming Performance in Endurance-Trained Males? A Randomized Placebo-Controlled Crossover Study

  • Krzysztof Durkalec-Michalski,
  • Natalia Główka,
  • Tomasz Podgórski,
  • Mikołaj Szymocha,
  • Błażej Przybylik,
  • Krystian Wochna,
  • Małgorzata Woźniewicz and
  • Paulina M. Nowaczyk

22 September 2024

Background/Objectives: Colostrum Bovinum (COL) is recognized for its unique composition and potential ergogenic and immunological benefits. Unlike mature milk, COL is rich in immunoglobulins, lactoferrin, and various growth factors, making it one of...

  • Review
  • Open Access
67 Citations
12,272 Views
12 Pages

The Role of Genetics in Moderating the Inter-Individual Differences in the Ergogenicity of Caffeine

  • Kyle Southward,
  • Kay Rutherfurd-Markwick,
  • Claire Badenhorst and
  • Ajmol Ali

21 September 2018

Caffeine use is widespread among athletes following its removal from the World Anti-Doping Agency banned list, with approximately 75% of competitive athletes using caffeine. While literature supports that caffeine has a small positive ergogenic effec...

  • Review
  • Open Access
31 Citations
14,803 Views
15 Pages

Caffeine during High-Intensity Whole-Body Exercise: An Integrative Approach beyond the Central Nervous System

  • Adriano E. Lima-Silva,
  • Gislaine Cristina-Souza,
  • Marcos D. Silva-Cavalcante,
  • Romulo Bertuzzi and
  • David J. Bishop

22 July 2021

Caffeine is one of the most consumed ergogenic aids around the world. Many studies support the ergogenic effect of caffeine over a large spectrum of exercise types. While the stimulatory effect of caffeine on the central nervous system is the well-ac...

  • Review
  • Open Access
36 Citations
55,021 Views
17 Pages

Creatine Supplementation in Children and Adolescents

  • Andrew R. Jagim and
  • Chad M. Kerksick

18 February 2021

Creatine is a popular ergogenic aid among athletic populations with consistent evidence indicating that creatine supplementation also continues to be commonly used among adolescent populations. In addition, the evidence base supporting the therapeuti...

  • Review
  • Open Access
10 Citations
42,820 Views
17 Pages

The Top 5 Can’t-Miss Sport Supplements

  • Jose Antonio,
  • Flavia Pereira,
  • Jason Curtis,
  • Jose Rojas and
  • Cassandra Evans

26 September 2024

Background/Objectives: Sports supplements have become popular among fitness enthusiasts for enhancing the adaptive response to exercise. This review analyzes five of the most effective ergogenic aids: creatine, beta-alanine, nitrates, caffeine, and p...

  • Review
  • Open Access
2,947 Views
21 Pages

Ergogenic and Physiological Effects of Sports Supplements: Implications for Advertising and Consumer Information

  • Pedro Estevan Navarro,
  • Cristina González-Díaz,
  • Rubén García Pérez,
  • Angel Gil-Izquierdo,
  • Carlos Javier García,
  • Daniel Giménez-Monzo,
  • Alejandro Perales and
  • José Miguel Martínez Sanz

21 August 2025

Background: The use of sports supplements has increased significantly in athletic contexts, raising the need to evaluate their efficacy, safety, regulatory status, and communication practices. Objective: This study aimed to describe and synthesize th...

  • Review
  • Open Access
3 Citations
32,743 Views
8 Pages

An Update of the Promise of Glycine Supplementation for Enhancing Physical Performance and Recovery

  • Arnulfo Ramos-Jiménez,
  • Rosa Patricia Hernández-Torres,
  • David Alfredo Hernández-Ontiveros,
  • Melinna Ortiz-Ortiz,
  • Reymond Josué López-Fregoso,
  • José Miguel Martínez-Sanz,
  • Genaro Rodríguez-Uribe and
  • Marco Antonio Hernández-Lepe

25 September 2024

Glycine, the simple amino acid, is a key component of muscle metabolism with proven cytoprotective effects and hypothetical benefits as a therapeutic nutrient. Cell, in vitro, and animal studies suggest that glycine enhances protection against muscle...

  • Review
  • Open Access
1,897 Views
14 Pages

Implications for the Ergogenic Benefits of Self-Selected Music in Neurological Conditions: A Theoretical Review

  • Christopher G. Ballmann,
  • Rebecca R. Rogers,
  • Sophia L. Porrill and
  • Nicholas B. Washmuth

The ergogenic effects of music have been well described across various modes of exercise with widespread use across competitive athletes and recreational exercisers alike. Underlying the acute beneficial effects of music during exercise are profound...

  • Review
  • Open Access
95 Citations
22,591 Views
41 Pages

Nitrate Ingestion: A Review of the Health and Physical Performance Effects

  • William T. Clements,
  • Sang-Rok Lee and
  • Richard J. Bloomer

18 November 2014

This paper provides an overview of the current literature and scientific evidence surrounding inorganic nitrate (NO3−) supplementation and its potential for improving human health and physical performance. As indicative of the ever-expanding organic...

  • Review
  • Open Access
8,252 Views
15 Pages

Effects of Caffeine Supplementation on Exercise Performance in Volleyball Players: A Systematic Review and Meta-Analysis

  • Bin Chen,
  • Chuanmin Zhang,
  • Zhenghong Xu,
  • Yiqian Li,
  • Li Guo,
  • Yinhang Cao and
  • Olivier Girard

18 May 2025

Background/Objectives: The ergogenic effects of caffeine in team sports, particularly volleyball, have received significant research attention. This study sought to examine the effects of caffeine on both volleyball-specific and general performance o...

  • Review
  • Open Access
1 Citations
7,128 Views
50 Pages

Triathlon: Ergo Nutrition for Training, Competing, and Recovering

  • Álvaro Miguel-Ortega,
  • María-Azucena Rodríguez-Rodrigo,
  • Juan Mielgo-Ayuso and
  • Julio Calleja-González

28 May 2025

Triathlon is a multi-sport event that combines swimming, cycling and running. The distances vary and the physiological demands are high. Objectives: This review compiles information on nutritional strategies and ergogenic supplements for triathlon tr...

  • Article
  • Open Access
5,926 Views
10 Pages

Citrulline Malate Fails to Improve Repeated 300 m Swimming Times in Highly Trained Swimmers

  • Josh W. Newbury,
  • Matthew Cole,
  • Stephen J. Bailey,
  • Adam L. Kelly and
  • Lewis A. Gough

Citrulline malate (CM) has been touted as a nutritional ergogenic aid for sports performance, with purported mechanisms of increased muscle blood flow, ammonia clearance, and adenosine triphosphate resynthesis. Combined, these physiological benefits...

  • Systematic Review
  • Open Access
1 Citations
4,336 Views
32 Pages

Juice-Based Supplementation Strategies for Athletic Performance and Recovery: A Systematic Review

  • Biljana Vitošević,
  • Milica Filipović,
  • Ljiljana Popović,
  • Katarzyna Sterkowicz-Przybycień and
  • Tijana Purenović-Ivanović

14 August 2025

The application of natural juices in sports nutrition is attracting growing interest due to their potential antioxidant, anti-inflammatory, and ergogenic properties. Exercise, especially when prolonged or intense, increases oxidative stress and muscl...

  • Review
  • Open Access
29 Citations
12,804 Views
62 Pages

Meta-Analysis of Carbohydrate Solution Intake during Prolonged Exercise in Adults: From the Last 45+ Years’ Perspective

  • Dimitrios I. Bourdas,
  • Athanasios Souglis,
  • Emmanouil D. Zacharakis,
  • Nickos D. Geladas and
  • Antonios K. Travlos

24 November 2021

Carbohydrate (CHO) supplementation during prolonged exercise postpones fatigue. However, the optimum administration timing, dosage, type of CHO intake, and possible interaction of the ergogenic effect with athletes’ cardiorespiratory fitness (C...

  • Article
  • Open Access
737 Views
17 Pages

Dual-Action Grouper Bone and Wakame Hydrolysates Supplement Enhances Exercise Performance and Modulates Gut Microbiota in Mice

  • Huey-Jine Chai,
  • Tsung-Kai Yi,
  • Yi-Feng Kao,
  • Te-Hua Liu,
  • Tsung-Yu Tsai and
  • Yi-Ming Chen

11 September 2025

Background: Sustainable, dual-action ergogenic strategies are underexplored; most products target a single pathway and rarely upcycle seafood sidestreams. We therefore tested an upcycled formulation combining grouper bone hydrolysate and Undaria pinn...

  • Article
  • Open Access
7 Citations
4,434 Views
13 Pages

Nutritional Supplement Use in a UK High-Performance Swimming Club

  • Josh W. Newbury,
  • S. Andy Sparks,
  • Matthew Cole,
  • Adam L. Kelly and
  • Lewis A. Gough

26 July 2023

The aim of this study was to observe the nutritional supplement practices of highly trained swimmers on a national talent pathway, since it is often reported that swimmers engage in widespread supplement use at the elite level. Thus, this study emplo...

  • Article
  • Open Access
1,348 Views
18 Pages

Background/Objectives: Transdermal bicarbonate (TBC) or carnosine (TC) have been sold as a convenient ergogenic aid, though little evidence supports these claims. The purpose of this study was to investigate if TBC or TC would improve high-intensity...

  • Review
  • Open Access
1 Citations
13,232 Views
20 Pages

28 August 2025

Adolescent athletes face unique nutritional challenges due to the simultaneous demands of growth, development, and athletic performance. This review synthesizes current evidence on energy and macronutrient requirements, hydration strategies, and key...

  • Review
  • Open Access
6 Citations
4,563 Views
11 Pages

Exploring the Impact of Alternative Sources of Dietary Nitrate Supplementation on Exercise Performance

  • Maciej Jędrejko,
  • Karol Jędrejko,
  • Víctor M. Gómez-Renaud,
  • Katarzyna Kała and
  • Bożena Muszyńska

An increase in the level of nitric oxide (NO) plays a key role in regulating the human cardiovascular system (lowering blood pressure, improving blood flow), glycemic control in type 2 diabetes, and may help enhance exercise capacity in healthy indiv...

  • Review
  • Open Access
19 Citations
20,747 Views
14 Pages

Creatine Supplementation to Improve Sarcopenia in Chronic Liver Disease: Facts and Perspectives

  • Riccardo Casciola,
  • Laura Leoni,
  • Biagio Cuffari,
  • Maddalena Pecchini,
  • Renata Menozzi,
  • Antonio Colecchia and
  • Federico Ravaioli

8 February 2023

Creatine supplementation has been one of the most studied and useful ergogenic nutritional support for athletes to improve performance, strength, and muscular mass. Over time creatine has shown beneficial effects in several human disease conditions....

  • Review
  • Open Access
7 Citations
9,692 Views
14 Pages

20 November 2022

A short-term (e.g., 6 days) basketball tournament is a shorter version of international tournaments, and qualification in it enables participation in international tournaments such as the Olympics and World championships or preparation before major t...

  • Systematic Review
  • Open Access
9 Citations
11,872 Views
27 Pages

The Role of Gut Microbiota in Different Types of Physical Activity and Their Intensity: Systematic Review and Meta-Analysis

  • Tehreema Ghaffar,
  • Francesca Ubaldi,
  • Veronica Volpini,
  • Federica Valeriani and
  • Vincenzo Romano Spica

14 August 2024

Background. Intense exercise during training requires dietary modulation to support health and performance and differs in different types of activities. Diet, supplementation with prebiotics and probiotics, and, more recently, even physical activity...

  • Review
  • Open Access
110 Citations
117,169 Views
10 Pages

Creatine Supplementation and Brain Health

  • Hamilton Roschel,
  • Bruno Gualano,
  • Sergej M. Ostojic and
  • Eric S. Rawson

10 February 2021

There is a robust and compelling body of evidence supporting the ergogenic and therapeutic role of creatine supplementation in muscle. Beyond these well-described effects and mechanisms, there is literature to suggest that creatine may also be benefi...

  • Systematic Review
  • Open Access
1 Citations
2,704 Views
27 Pages

Applications and Benefits of Dietary Supplements in Taekwondo: A Systematic Review

  • Meng-Yuan Shu,
  • Jian Liang,
  • Young-Jin Jo,
  • Seon-Ho Eom and
  • Chul-Hyun Kim

29 March 2025

Dietary supplements are commonly employed to provide additional nutritional support for athletes. In taekwondo, there is a need for evidence-based analyses to evaluate the effects of dietary supplements on training outcomes, competitive performance,...

  • Review
  • Open Access
12 Citations
9,853 Views
15 Pages

21 June 2024

Sports performance could be affected by placebo and nocebo effects. The last literature review on placebo and nocebo effects on sports and exercise performance was published in 2019. In the past five years, several new studies have been published. Th...

  • Review
  • Open Access
54 Citations
94,402 Views
19 Pages

Nutrition Recommendations for Bodybuilders in the Off-Season: A Narrative Review

  • Juma Iraki,
  • Peter Fitschen,
  • Sergio Espinar and
  • Eric Helms

26 June 2019

Many nutrition practices often used by bodybuilders lack scientific support and can be detrimental to health. Recommendations during the dieting phase are provided in the scientific literature, but little attention has been devoted to bodybuilders du...

  • Review
  • Open Access
4 Citations
6,675 Views
14 Pages

22 April 2022

Nutritional guidance for competitive golfers to improve performance is limited. Recommendations and study conclusions from older research used smaller golf courses compared to today and require a reevaluation of energy expenditure. This review identi...

  • Discussion
  • Open Access
91 Citations
9,848 Views
6 Pages

15 April 2020

Caffeine is the most popular psychoactive substance in the world, and data suggests that it is widely used by athletes before competition to enhance physical and mental performance. The high number of athletes that regularly use caffeine suggests the...

  • Discussion
  • Open Access
65 Citations
42,634 Views
16 Pages

Ketogenic Diets and Exercise Performance

  • Kristin L. Harvey,
  • Lola E. Holcomb and
  • Stephen C. Kolwicz

26 September 2019

The ketogenic diet (KD) has gained a resurgence in popularity due to its purported reputation for fighting obesity. The KD has also acquired attention as an alternative and/or supplemental method for producing energy in the form of ketone bodies. Rec...

  • Article
  • Open Access
23 Citations
11,649 Views
10 Pages

5 June 2020

We aim to investigate the effect of 6 weeks of betaine supplementation on body composition and muscle performance during CrossFit© training. Twenty-nine subjects matched for training status (4.16 ± 0.95 day/week) and body fat mass (12.66...

  • Review
  • Open Access
18 Citations
13,917 Views
20 Pages

Nutritional Ergogenic Aids in Racquet Sports: A Systematic Review

  • Néstor Vicente-Salar,
  • Guillermo Santos-Sánchez and
  • Enrique Roche

17 September 2020

A nutritional ergogenic aid (NEA) can help athletes optimize performance, but an evidence-based analysis is required in order to support training outcomes or competition performance in specific events. Racquet sports players are regularly exposed to...

  • Article
  • Open Access
15 Citations
5,134 Views
11 Pages

17 April 2022

Astragalus membranaceus (AM) is classified as a high-class traditional herbal medicine, which has strengthened vitality and multifunctional pharmacological activities, but limited empirical evidence is available to support its effects in muscular hyp...

  • Review
  • Open Access
29 Citations
26,043 Views
28 Pages

The Potential Role of Creatine in Vascular Health

  • Holly Clarke,
  • Robert C. Hickner and
  • Michael J. Ormsbee

5 March 2021

Creatine is an organic compound, consumed exogenously in the diet and synthesized endogenously via an intricate inter-organ process. Functioning in conjunction with creatine kinase, creatine has long been known for its pivotal role in cellular energy...

  • Article
  • Open Access
54 Citations
16,059 Views
16 Pages

Chicken Essence Improves Exercise Performance and Ameliorates Physical Fatigue

  • Wen-Ching Huang,
  • Ching-I Lin,
  • Chien-Chao Chiu,
  • Yi-Ting Lin,
  • Wei-Kai Huang,
  • Hui-Yu Huang and
  • Chi-Chang Huang

18 July 2014

Chicken essence (CE) is a liquid nutritional supplement made from cooking whole chickens. In traditional Chinese medicine, CE is used to support health, promote healing, increase metabolism, and relieve fatigue. However, few studies have examined th...

  • Article
  • Open Access
9 Citations
7,018 Views
25 Pages

A Convergent Functional Genomics Analysis to Identify Biological Regulators Mediating Effects of Creatine Supplementation

  • Diego A. Bonilla,
  • Yurany Moreno,
  • Eric S. Rawson,
  • Diego A. Forero,
  • Jeffrey R. Stout,
  • Chad M. Kerksick,
  • Michael D. Roberts and
  • Richard B. Kreider

23 July 2021

Creatine (Cr) and phosphocreatine (PCr) are physiologically essential molecules for life, given they serve as rapid and localized support of energy- and mechanical-dependent processes. This evolutionary advantage is based on the action of creatine ki...

  • Review
  • Open Access
401 Views
13 Pages

Potential Effect of Intravascular Laser Irradiation of Blood (ILIB) in Improving Physical Performance: A Narrative Review

  • Marcia Cristina Bortoleto Rotta-Ribas,
  • Yann Zurutuza,
  • Robson Chacon Castoldi,
  • Paula Felippe Martinez and
  • Silvio Assis de Oliveira-Junior

Background: The intravascular laser irradiation of blood (ILIB) is a low-power laser technique that has been studied since the 1970s, and it is associated with the substantial capability to modulate various physiological processes. Indeed, ILIB invol...

  • Article
  • Open Access
45 Citations
8,228 Views
14 Pages

In Vivo Ergogenic Properties of the Bifidobacterium longum OLP-01 Isolated from a Weightlifting Gold Medalist

  • Mon-Chien Lee,
  • Yi-Ju Hsu,
  • Hsiao-Li Chuang,
  • Pei-Shan Hsieh,
  • Hsieh-Hsun Ho,
  • Wei-Ling Chen,
  • Yen-Shuo Chiu and
  • Chi-Chang Huang

24 August 2019

In recent years, probiotics of human origin have shown superior results and performance compared to probiotics from plant or dairy sources, in both in vitro and animal studies. Towards this end, the current study was conducted to explore the ergogeni...

  • Review
  • Open Access
17 Citations
15,552 Views
11 Pages

21 February 2020

Nutritional and ergogenic aid supplementation is prevalent within athletic or general fitness populations, and is only continuing to gain momentum. Taken in isolation or as a combination, amino acid (AA) supplementation has the potential to increase...

  • Review
  • Open Access
20 Citations
7,372 Views
10 Pages

The Effects of Caffeine Ingestion on Measures of Rowing Performance: A Systematic Review and Meta-Analysis

  • Jozo Grgic,
  • Francisco Javier Diaz-Lara,
  • Juan Del Coso,
  • Michael J. Duncan,
  • Jason Tallis,
  • Craig Pickering,
  • Brad J. Schoenfeld and
  • Pavle Mikulic

8 February 2020

The purpose of this paper was to conduct a systematic review and a meta-analysis of studies examining the acute effects of caffeine ingestion on measures of rowing performance. Crossover and placebo-controlled experiments that investigated the effect...

  • Article
  • Open Access
2 Citations
63,745 Views
12 Pages

The Effects of Multiple Acute Turkesterone Doses on Indirect Measures of Hypertrophy and Metabolic Measures: A Preliminary Investigation

  • Dillon R. Harris,
  • Tomas Chapman-Lopez,
  • Steven B. Machek,
  • Jeffery S. Forsse,
  • Tracey Sulak and
  • Leslee K. Funderburk

23 October 2024

Turkesterone is a naturally occurring plant steroid touted for its medicinal, pharmacological, and biological properties with no reported adverse side effects compared with traditional anabolic androgenic steroids (AAS). However, this ostensible enha...

  • Review
  • Open Access
4 Citations
8,561 Views
12 Pages

24 November 2024

Background: Ketone body supplementation has emerged as a potential ergogenic aid in cycling. Exogenous ketones, primarily in the form of beta-hydroxybutyrate, offer an alternative fuel source, bypassing the need for strict ketogenic diets. However, t...

  • Brief Report
  • Open Access
3 Citations
3,663 Views
8 Pages

Effects of Acute Mistletoe (Viscum album L.) Ingestion on Aerobic Exercise Performance

  • Emily C. Goode,
  • Sarah E. Van Duser,
  • Rebecca R. Rogers,
  • Tyler D. Williams and
  • Christopher G. Ballmann

Mistletoe (Viscum album L.; VA) has been traditionally used in folk medicine to combat fatigue and stress. Evidence has shown that chronic consumption of VA results in an enhancement of oxidative metabolism and exercise performance. However, no studi...

  • Article
  • Open Access
16 Citations
8,376 Views
11 Pages

Low and Moderate Doses of Caffeinated Coffee Improve Repeated Sprint Performance in Female Team Sport Athletes

  • Raci Karayigit,
  • Scott C. Forbes,
  • Zakir Osmanov,
  • Canan Yilmaz,
  • Burak Caglar Yasli,
  • Alireza Naderi,
  • Hakan Buyukcelebi,
  • Daniela Benesova,
  • Tomasz Gabrys and
  • Ozcan Esen

13 October 2022

The aim of this study was to determine the effect of low and moderate doses of caffeine ingestion via caffeinated coffee on repeated sprint test (RST) and plasma catecholamine concentration in trained female team-sport athletes. In a randomized, doub...

  • Article
  • Open Access
13 Citations
6,697 Views
10 Pages

Eight Days of L-Citrulline or L-Arginine Supplementation Did Not Improve 200-m and 100-m Swimming Time Trials

  • Ozcan Esen,
  • Mustafa Can Eser,
  • Mekki Abdioglu,
  • Daniela Benesova,
  • Tomasz Gabrys and
  • Raci Karayigit

The effects of L-citrulline or L-arginine supplementation on exercise performance are equivocal, and the effects on swimming performance are unclear. We aimed to assess whether 8-day supplementation with L-arginine or L-citrulline supplementation wou...

  • Review
  • Open Access
19 Citations
16,715 Views
52 Pages

Photobiomodulation and Sports: Results of a Narrative Review

  • Laura Marinela Ailioaie and
  • Gerhard Litscher

3 December 2021

Benefits of photobiomodulation (PBM) have been known for several decades. More recently, PBM applied in sports offers a special chance to support the modeling of the performance and recovery. Increasingly complex physical activities and fierce compet...

  • Systematic Review
  • Open Access
14 Citations
14,587 Views
32 Pages

Nutritional Ergogenic Aids in Combat Sports: A Systematic Review and Meta-Analysis

  • Néstor Vicente-Salar,
  • Encarna Fuster-Muñoz and
  • Alejandro Martínez-Rodríguez

22 June 2022

Nutritional ergogenic aids (NEAs) are substances included within the group of sports supplements. Although they are widely consumed by athletes, evidence-based analysis is required to support training outcomes or competitive performance in specific d...

  • Article
  • Open Access
2,143 Views
13 Pages

15 October 2025

Background: L-arginine is a conditionally essential amino acid that serves as a substrate for nitric oxide synthase and regulates energy metabolism. While its ergogenic effects have been proposed, the mechanisms underlying its anti-fatigue properties...

  • Systematic Review
  • Open Access
5 Citations
11,805 Views
9 Pages

6 November 2024

(1) Background: The purpose of this systematic review is to investigate the prevalent use of non-steroidal anti-inflammatory drugs (NSAIDs) in athletes and to comprehensively review the effectiveness and the results of these medications as it relates...

  • Article
  • Open Access
1,493 Views
12 Pages

Feasibility of Sodium Bicarbonate Ingestion in Artistic Swimming Performances

  • Heather M. Logan Sprenger,
  • Temisia van Biljouw and
  • David J. Bentley

23 September 2025

Purpose: We evaluated the feasibility of individualized sodium bicarbonate (NaHCO3) supplementation and its physiological effects on simulated artistic swimming duet performance, including blood buffering responses, perceived exertion, gastrointestin...

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