Correction to: Erythrocyte concentrations of chromium, copper, manganese, molybdenum, selenium and zinc in subjects with different physical training levels
An amendment to this paper has been published and can be accessed via the original article. (Source: Journal of the International Society of Sports Nutrition)
Source: Journal of the International Society of Sports Nutrition - April 14, 2021 Category: Sports Medicine Authors: M. Maynar, F. J. Grijota, J. Siquier-Coll, I. Bartolome, M. C. Robles and D. Mu ñoz Tags: Correction Source Type: research

Correction to: Serum and urinary concentrations of arsenic, beryllium, cadmium and lead after an aerobic training period of six months in aerobic athletes and sedentary people
An amendment to this paper has been published and can be accessed via the original article. (Source: Journal of the International Society of Sports Nutrition)
Source: Journal of the International Society of Sports Nutrition - April 14, 2021 Category: Sports Medicine Authors: Diego Mu ñoz, Francisco J. Grijota, Ignacio Bartolomé, Jesús Siquier-Coll, Víctor Toro-Román and Marcos Maynar Tags: Correction Source Type: research

Serum levels of bone formation and resorption markers in relation to vitamin D status in professional gymnastics and physically active men during upper and lower body high-intensity exercise
To compare serum levels of bone turnover markers in athletes and non-athletes, and to evaluate the relationship between serum levels of vitamin D metabolites and exercise-induced changes in biomarker levels. (Source: Journal of the International Society of Sports Nutrition)
Source: Journal of the International Society of Sports Nutrition - April 13, 2021 Category: Sports Medicine Authors: Jan Mieszkowski, Andrzej Kochanowicz, El żbieta Piskorska, Bartłomiej Niespodziński, Joanna Siódmiak, Krzysztof Buśko, Blazej Stankiewicz, Dorota Olszewska-Słonina and Jędrzej Antosiewicz Tags: Research article Source Type: research

Copper concentration in erythrocytes, platelets, plasma, serum and urine: influence of physical training
Physical training produces changes in the extracellular and intracellular concentrations of trace minerals elements. To our knowledge, only three compartments have been studied simultaneously. The aim of the p... (Source: Journal of the International Society of Sports Nutrition)
Source: Journal of the International Society of Sports Nutrition - April 7, 2021 Category: Sports Medicine Authors: V íctor Toro-Román, Jesús Siquier-Coll, Ignacio Bartolomé, Francisco J. Grijota, Diego Muñoz and Marcos Maynar-Mariño Tags: Research article Source Type: research

Sex differences and considerations for female specific nutritional strategies: a narrative review
Although there is a plethora of information available regarding the impact of nutrition on exercise performance, many recommendations are based on male needs due to the dominance of male participation in the n... (Source: Journal of the International Society of Sports Nutrition)
Source: Journal of the International Society of Sports Nutrition - April 1, 2021 Category: Sports Medicine Authors: Kealey J. Wohlgemuth, Luke R. Arieta, Gabrielle J. Brewer, Andrew L. Hoselton, Lacey M. Gould and Abbie E. Smith-Ryan Tags: Review Source Type: research

The effects of different doses of caffeine on maximal strength and strength ‐endurance in women habituated to caffeine
The main goal of this study was to assess the acute effects of 3 and 6 mg of caffeine intake per kg of body mass (b.m.) on maximal strength and strength-endurance in women habituated to caffeine. (Source: Journal of the International Society of Sports Nutrition)
Source: Journal of the International Society of Sports Nutrition - March 30, 2021 Category: Sports Medicine Authors: Aleksandra Filip-Stachnik, Michal Wilk, Michal Krzysztofik, Ewelina Luli ńska, James J. Tufano, Adam Zajac, Petr Stastny and Juan Del Coso Tags: Research article Source Type: research

Blueberry supplementation reduces the blood lactate response to running in normobaric hypoxia but has no effect on performance in recreational runners
Blueberries are concentrated with anthocyanins possessing antioxidant properties. As these properties counter fatigue, blueberry supplementation may improve performance and recovery, particularly in hypoxia, w... (Source: Journal of the International Society of Sports Nutrition)
Source: Journal of the International Society of Sports Nutrition - March 30, 2021 Category: Sports Medicine Authors: Jason P. Brandenburg and Luisa V. Giles Tags: Research article Source Type: research

Relationship between energy availability, energy conservation and cognitive restraint with performance measures in male endurance athletes
Low energy availability in male athletes has gained a lot of attention in recent years, but direct evidence of its effects on health and performance is lacking. The aim of this research was to objectively meas... (Source: Journal of the International Society of Sports Nutrition)
Source: Journal of the International Society of Sports Nutrition - March 18, 2021 Category: Sports Medicine Authors: Iva Jurov, Nicola Keay, Vedran Had žić, Darjan Spudić and Samo Rauter Tags: Research article Source Type: research

Effect of whey vs. soy protein supplementation on recovery kinetics following speed endurance training in competitive male soccer players: a randomized controlled trial
Soccer-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. ... (Source: Journal of the International Society of Sports Nutrition)
Source: Journal of the International Society of Sports Nutrition - March 16, 2021 Category: Sports Medicine Authors: Savvas Kritikos, Konstantinos Papanikolaou, Dimitrios Draganidis, Athanasios Poulios, Kalliopi Georgakouli, Panagiotis Tsimeas, Theofanis Tzatzakis, Dimitrios Batsilas, Alexios Batrakoulis, Chariklia K. Deli, Athanasios Chatzinikolaou, Magni Mohr, Athanas Tags: Research article Source Type: research

Effect of oral rehydration solution versus spring water intake during exercise in the heat on muscle cramp susceptibility of young men
Muscle cramp is a painful, involuntary muscle contraction, and that occurs during or following exercise is referred to as exercise-associated muscle cramp (EAMC). The causes of EAMC are likely to be multifacto... (Source: Journal of the International Society of Sports Nutrition)
Source: Journal of the International Society of Sports Nutrition - March 15, 2021 Category: Sports Medicine Authors: Wing Yin Lau, Haruyasu Kato and Kazunori Nosaka Tags: Research article Source Type: research

Skeletal muscle metabolism on whole-body positron emission tomography during pitching
Electromyography (EMG) has been used for evaluating skeletal muscle activity during pitching. However, it is difficult to observe the influence of movement on skeletal muscle activity in deep-lying regions of ... (Source: Journal of the International Society of Sports Nutrition)
Source: Journal of the International Society of Sports Nutrition - March 6, 2021 Category: Sports Medicine Authors: Yasushi Takata, Junsuke Nakase, Anri Inaki, Takafumi Mochizuki, Kengo Shimozaki, Kazuki Asai, Seigo Kinuya and Hiroyuki Tsuchiya Tags: Research article Source Type: research

The effects of 14-week betaine supplementation on endocrine markers, body composition and anthropometrics in professional youth soccer players: a double blind, randomized, placebo-controlled trial
Betaine supplementation may enhance body composition outcomes when supplemented chronically during an exercise program. The purpose of this study was to evaluate the effect of betaine supplementation on develo... (Source: Journal of the International Society of Sports Nutrition)
Source: Journal of the International Society of Sports Nutrition - March 4, 2021 Category: Sports Medicine Authors: Hadi Nobari, Mehdi Kargarfard, Vazgen Minasian, Jason M. Cholewa and Jorge P érez-Gómez Tags: Research article Source Type: research

Effect of six weeks 1000  mg/day vitamin C supplementation and healthy training in elderly women on genes expression associated with the immune response - a randomized controlled trial
In this study, we investigated the effects of supplementation and exercise on the expression of genes associated with inflammation like CCL2, CRP, IL1, IL6, IL10 mRNA in elderly women. (Source: Journal of the International Society of Sports Nutrition)
Source: Journal of the International Society of Sports Nutrition - March 2, 2021 Category: Sports Medicine Authors: Ma łgorzata Żychowska, Agata Grzybkowska, Mariusz Zasada, Anna Piotrowska, Danuta Dworakowska, Olga Czerwińska-Ledwig, Wanda Pilch and Jędrzej Antosiewicz Tags: Research article Source Type: research

4-week eicosapentaenoic acid-rich fish oil supplementation partially protects muscular damage following eccentric contractions
We previously showed 8-week of fish oil supplementation attenuated muscle damage. However, the effect of a shorter period of fish oil supplementation is unclear. The present study investigated the effect of fi... (Source: Journal of the International Society of Sports Nutrition)
Source: Journal of the International Society of Sports Nutrition - March 1, 2021 Category: Sports Medicine Authors: Yosuke Tsuchiya, Hisashi Ueda, Kenichi Yanagimoto, Ayaka Kato and Eisuke Ochi Tags: Research article Source Type: research

Tomato powder is more effective than lycopene to alleviate exercise-induced lipid peroxidation in well-trained male athletes: randomized, double-blinded cross-over study
Consumption of nutritional supplements to optimize recovery is gaining popularity among athletes. Tomatoes contain micronutrients and various bioactive components with antioxidant properties. Many of the healt... (Source: Journal of the International Society of Sports Nutrition)
Source: Journal of the International Society of Sports Nutrition - February 27, 2021 Category: Sports Medicine Authors: Farhad Gholami, Jose Antonio, Cassandra Evans, Khadijeh Cheraghi, Leila Rahmani and Fatemeh Amirnezhad Tags: Research article Source Type: research