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SPORTS MEDICINE :
PHYSICAL FITNESS AND EXERCISE :
MINERALS: IRON :
VITAMINS AND MINERALS:
Iron, Vitamins Could Affect Physical Fitness in Adolescents
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Iron, Vitamins Could Affect Physical Fitness in Adolescents
The American Physiological Society Press Release
APS Contact: Donna Krupa
http://www.the-aps.org/mm/hp/Audiences/
Public-Press/Archive/Copy-of-12/30.html
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A shorter URL for the above link:
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http://tinyurl.com/phcnc9c
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Bethesda, Md. (Aug. 8, 2012)Adolescence is an important time not only for
growing but for acquiring healthy habits that will last a lifetime, such
as choosing foods rich in vitamins and minerals, and adopting a regular
exercise regimen. Unfortunately, several studies have shown that
adolescents intake of important nutrients, as well as their performance on
standard physical fitness tests, has fallen in recent years. Because
nutrition and fitness are intertwinedfor example, iron forms part of
hemoglobin, which carries oxygen to muscles, and antioxidants such as
vitamin C aid in rebuilding damage after intense trainingthese two
findings could be related. In a new study, researchers have found that
adolescents blood levels of various micronutrients are correlated with how
well they performed in certain physical fitness tests. Though these
results dont prove causality, they suggest a new relationship between
different measures of adolescent health.
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The article is entitled Iron and Vitamin Status Biomarkers and its
Association with Physical Fitness in Adolescents. The HELENA Study. and is
online at http://bit.ly/Q2j6lJ. It appears in the online edition of the
Journal of Applied Physiology, a publication of the American Physiological
Society.
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snip
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Results
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The researchers found that blood levels of certain micronutrients were
intimately connected with the volunteers performance on the physical
fitness tests. For cardiorespiratory fitness, concentrations of
hemoglobin, retinol, and vitamin C in males and beta-carotene and vitamin
D in females was positively associated with VO2max. For muscular fitness,
concentrations of hemoglobin, beta-carotene and retinol was positively
associated with performing better on the standing long jump in males,
while concentrations of alpha-tocopherol was negatively associated with
the performance in this test. In addition, beta-carotene and vitamin D in
females was associated with performing better on the standing long jump
test.
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Importance of the Findings
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The authors suggest that studies connecting micronutrients, such as the
ones they measured, with physical fitness in any population has been
controversial and limited. This is especially true for adolescents, a
group thats often difficult to gather information on. This new study, they
say, is one of the first to find connections between micronutrients and
physical fitness in this age group, with the strength of controlling the
results for a complete set of relevant confounders. Yet, they note that
more research still needs to be done.
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The associations between physical fitness and iron or vitamin status
observed in this cross-sectional study in adolescents should be followed
up by a study specifically designed to evaluate causal relationships, the
authors write.
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Iron and vitamin status biomarkers and its association with physical
fitness in adolescents: the HELENA study
Luis Gracia-Marco , Jara Valtue , Francisco B. Ortega , Faustino R.
Pez-Lez , Germ Vicente-Rodruez , Christina Breidenassel , Marika Ferrari ,
Des Molnar , Kurt Widhalm , Stefaan de Henauw , Anthony Kafatos , Ligia E.
Diaz , Fric Gottrand , Giuseppe Maiani , Peter Stehle , Manuel J. Castillo
, Luis A. Moreno , Marcela Gonzez-Gross ,
Journal of Applied Physiology Published 15 August 2012 Vol. 113 no. 4,
566-573 DOI: 10.1152/japplphysiol.01492.2011
http://jap.physiology.org/content/113/4/566
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This article is cited by these publications:
.
Factors Associated with Vitamin D Deficiency in European Adolescents: The
HELENA Study
Author: VALTUE^|^Ntilde;A, Jara
Journal: Journal of nutritional science and vitaminology
ISSN: 0301-4800 Date: 2013
Volume: 59 Issue: 3 Page: 161 - 171
DOI: 10.3177/jnsv.59.161
.
Cardiorespiratory fitness in males, and upper limbs muscular strength in
females, are positively related with 25-hydroxyvitamin D plasma
concentrations in European adolescents: the HELENA study
Author: Helena Study Group, J.
Journal: QJM : monthly journal of the Association of Physicians
ISSN: 1460-2725 Date: 09/2013
Volume: 106 Issue: 9 Page: 809 - 821
PMID: 23657707 DOI: 10.1093/qjmed/hct089
.
Micronutrient deficiency and cognitive and physical performance in Indian
children
Author: Swaminathan, S
Journal: European journal of clinical nutrition
ISSN: 0954-3007 Date: 05/2013
Volume: 67 Issue: 5 Page: 467 - 474
DOI: 10.1038/ejcn.2013.14
.
Seasonal variation in physical activity and sedentary time in different
European regions. The HELENA study
Author: Gracia-Marco, Luis
Journal: Journal of sports sciences
ISSN: 0264-0414 Date: 12/2013
Volume: 31 Issue: 16 Page: 1831 - 1840
DOI: 10.1080/02640414.2013.803595
.
Erythrocyte folate content and serum folic acid and homocysteine levels in
preeclamptic primigravidae teenagers living at high altitude
Author: Yanez, Pablo
Journal: Archives of gynecology and obstetrics
ISSN: 0932-0067 Date: 11/2013
Volume: 288 Issue: 5 Page: 1011 - 1015
DOI: 10.1007/s00404-013-2851-7
.
Vitamin d concentrations and physical performance in competitive
adolescent swimmers
Author: Dubnov-Raz, G
Journal: Pediatric exercise science
ISSN: 0899-8493 Date: 02/2014
Volume: 26 Issue: 1 Page: 64 - 70
PMID: 24662121 DOI: 10.1123/pes.2013-0034
.
Nutrition Knowledge, Attitudes, and Behaviors of Israeli Female Combat
Recruits Participating in a Nutrition Education Program
Author: Herzman-Harari, Sarit
Journal: Military medicine
ISSN: 0026-4075 Date: 05/2013
Volume: 178 Issue: 5 Page: 517 - 522
DOI: 10.7205/MILMED-D-12-00439
.
High prevalence of vitamin D insufficiency among elite Spanish athletes;
the importance of outdoor training adaptation
Author: Valtue, J
Journal: Nutrici hospitalaria : organo oficial de la Sociedad
Espala de Nutrici Parenteral y Enteral
ISSN: 0212-1611 Date: 2014
Volume: 30 Issue: 1 Page: 124
.
Moreno, L. A., Gottrand, F., Huybrechts, I., Ruiz, J. R., Gonzez-Gross,
M., & DeHenauw, S.
(2014).
Nutrition and Lifestyle in European Adolescents: The HELENA
(Healthy Lifestyle in Europe by Nutrition in Adolescence) Study.
Advances in Nutrition: An International Review Journal,
5(5), 615S-623S.
.
The combined effect of physical activity and sedentary behaviors on a
clustered cardio-metabolic risk score: The Helena study
Author: Rendo-Urteaga, Tara
Journal: International journal of cardiology
ISSN: 0167-5273 Date: 05/2015
Volume: 186 Page: 186 - 195
DOI: 10.1016/j.ijcard.2015.03.176
.
The effects of regular consumption of a multiple micronutrient fortified
milk beverage on the micronutrient status of school children and on their
mental and physical performance
Author: Kuriyan, Rebecca
Journal: Clinical nutrition (Edinburgh, Scotland)
ISSN: 0261-5614 Date: 02/2015
DOI: 10.1016/j.clnu.2015.02.001
.
Dietary protein and amino acids intake and its relationship with blood
pressure in adolescents: the HELENA STUDY
Author: Moraes, A de
Journal: European journal of public health
ISSN: 1101-1262 Date: 01/24/2015
PMID: 25619683 DOI: 10.1093/eurpub/cku233
.
Vitamins and iron blood biomarkers are associated with blood pressure
levels in European adolescents. The HELENA study
Author: de Moraes, Augusto Car Ferreira
Journal: Nutrition (Burbank, Los Angeles County, Calif.)
ISSN: 0899-9007 Date: 11/2014
Volume: 30 Issue: 11-12 Page: 1294 - 1300
DOI: 10.1016/j.nut.2014.03.010
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