Josh W. Newbury
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View article: The effect of a nutrition education programme on dietary intake and nutrition knowledge of trained young swimmers
The effect of a nutrition education programme on dietary intake and nutrition knowledge of trained young swimmers Open
View article: Influence of carbohydrate mouth rinsing on repeated interval swimming performance in well-trained adolescent swimmers
Influence of carbohydrate mouth rinsing on repeated interval swimming performance in well-trained adolescent swimmers Open
Background Carbohydrate mouth rinsing (CHO-MR) may provide an ergogenic effect for exercise performance, with small beneficial effects demonstrated in cycling and running exercise ≤ 1 hour. There is little evidence supporting the use of CH…
View article: Annual Vitamin D Status of World-Class British Swimmers Following a Standardised Supplementation Protocol for Three Years
Annual Vitamin D Status of World-Class British Swimmers Following a Standardised Supplementation Protocol for Three Years Open
Background/objectives: British swimmers are at a heightened risk of vitamin D deficiency (serum 25-hydroxyvitamin D (25(OH)D): 75 nmol∙L−1: no supplementation). Results: Mean serum 25(OH)D concentrations increased each year (2018: 76.4 ± 2…
View article: Neither an Individualised Nor a Standardised Sodium Bicarbonate Strategy Improved Performance in High-Intensity Repeated Swimming, or a Subsequent 200 m Swimming Time Trial in Highly Trained Female Swimmers
Neither an Individualised Nor a Standardised Sodium Bicarbonate Strategy Improved Performance in High-Intensity Repeated Swimming, or a Subsequent 200 m Swimming Time Trial in Highly Trained Female Swimmers Open
Inconsistent swimming performances are often observed following sodium bicarbonate (NaHCO3) ingestion, possibly because the time taken to reach peak blood buffering capacity is highly variable between individuals. Personalising NaHCO3 inge…
View article: Citrulline Malate Fails to Improve Repeated 300 m Swimming Times in Highly Trained Swimmers
Citrulline Malate Fails to Improve Repeated 300 m Swimming Times in Highly Trained Swimmers Open
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 physiologica…
View article: An Observation of the Vitamin D Status in Highly Trained Adolescent Swimmers during the UK Autumn and Winter Months
An Observation of the Vitamin D Status in Highly Trained Adolescent Swimmers during the UK Autumn and Winter Months Open
The purpose of this research was two-fold: (a) to observe whether highly trained adolescent swimmers abide to vitamin D supplement recommendations; and (b) to monitor changes in circulating 25-hydroxyvitamin D (25(OH)D) that occur between …
View article: An Observation of the Vitamin D Status in Highly Trained Adolescent Swimmers During the UK Autumn and Winter Months
An Observation of the Vitamin D Status in Highly Trained Adolescent Swimmers During the UK Autumn and Winter Months Open
The purpose of this research was two-fold: (a) to observe whether highly trained adolescent swimmers abide to vitamin D supplement recommendations; and (b) to monitor changes in circulating 25-hydroxyvitamin D (25(OH)D) that occur between …
View article: Nutritional Supplement Use in a UK High-Performance Swimming Club
Nutritional Supplement Use in a UK High-Performance Swimming Club Open
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 …
View article: Nutritional Supplement Use in a UK High-Performance Swimming Club
Nutritional Supplement Use in a UK High-Performance Swimming Club Open
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 …
View article: The effects of sodium bicarbonate ingestion on swimming interval performance in trained competitive swimmers
The effects of sodium bicarbonate ingestion on swimming interval performance in trained competitive swimmers Open
View article: Nutritional intakes of highly trained adolescent swimmers before, during, and after a national lockdown in the COVID-19 pandemic
Nutritional intakes of highly trained adolescent swimmers before, during, and after a national lockdown in the COVID-19 pandemic Open
Strict lockdown measures were introduced in response to the COVID-19 pandemic, which caused mass disruption to adolescent swimmers’ daily routines. To measure how lockdown impacted nutritional practices in this cohort, three-day photograph…
View article: The annual vitamin D status of world-class British swimmers following a standardised supplementation protocol for three years
The annual vitamin D status of world-class British swimmers following a standardised supplementation protocol for three years Open
British swimmers are at a heightened risk of vitamin D deficiency (serum 25-hydroxyvitamin D (25(OH)D): 75 nmol∙L − 1 : no supplementation). Mean serum 25(OH)D concentrations increased each year (2018: 76.4 ± 28.4 nmol∙L − 1 , 2019: 91.5 …
View article: A critical review of citrulline malate supplementation and exercise performance
A critical review of citrulline malate supplementation and exercise performance Open
As a nitric oxide (NO) enhancer, citrulline malate (CM) has recently been touted as a potential ergogenic aid to both resistance and high-intensity exercise performance, as well as the recovery of muscular performance. The mechanism has be…
View article: The Effects of a Nutrition Education Intervention on Sports Nutrition Knowledge during a Competitive Season in Highly Trained Adolescent Swimmers
The Effects of a Nutrition Education Intervention on Sports Nutrition Knowledge during a Competitive Season in Highly Trained Adolescent Swimmers Open
The aim of this study was to evaluate the effects of a seven-week nutrition education intervention on the sports nutrition knowledge (SNK) of highly trained UK adolescent swimmers. Fifteen national and international adolescent swimmers (ma…
View article: The time to peak blood bicarbonate (HCO3–), pH, and the strong ion difference (SID) following sodium bicarbonate (NaHCO3) ingestion in highly trained adolescent swimmers
The time to peak blood bicarbonate (HCO3–), pH, and the strong ion difference (SID) following sodium bicarbonate (NaHCO3) ingestion in highly trained adolescent swimmers Open
The timing of sodium bicarbonate (NaHCO 3 ) supplementation has been suggested to be most optimal when coincided with a personal time that bicarbonate (HCO 3 – ) or pH peaks in the blood following ingestion. However, the ergogenic mechanis…
View article: The time to peak blood bicarbonate (HCO<sub>3</sub><sup>−</sup>), pH, and strong ion difference (SID) following sodium bicarbonate (NaHCO<sub>3</sub>) ingestion in highly trained adolescent swimmers
The time to peak blood bicarbonate (HCO<sub>3</sub><sup>−</sup>), pH, and strong ion difference (SID) following sodium bicarbonate (NaHCO<sub>3</sub>) ingestion in highly trained adolescent swimmers Open
Background Contemporary research suggests that the optimal timing of sodium bicarbonate (NaHCO 3 ) should be based upon an individual time in which bicarbonate (HCO 3 − ) or pH peaks within the blood. However, the mechanisms surrounding ac…