Markers of Bone Health and Impact of Whey Protein Supplementation in Army Initial Entry Training Soldiers: A Double-Blind Placebo-Controlled Study.
Nutrients
; 12(8)2020 Jul 26.
Article
en En
| MEDLINE
| ID: mdl-32722609
ABSTRACT
Training civilians to be soldiers is a challenging task often resulting in musculoskeletal injuries, especially bone stress injuries. This study evaluated bone health biomarkers (P1NP/CTX) and whey protein or carbohydrate supplementations before and after Army initial entry training (IET). Ninety male IET soldiers participated in this placebo-controlled, double-blind study assessing carbohydrate and whey protein supplementations. Age and fat mass predicted bone formation when controlling for ethnicity, explaining 44% (p < 0.01) of bone formation variations. Age was the only significant predictor of bone resorption (p = 0.02) when controlling for run, fat, and ethnicity, and these factors together explained 32% of the variance in bone resorption during week one (p < 0.01). Vitamin D increased across training (p < 0.01). There was no group by time interaction for supplementation and bone formation (p = 0.75), resorption (p = 0.73), Vitamin D (p = 0.36), or calcium (p = 0.64), indicating no influence of a supplementation on bone biomarkers across training. Age, fitness, fat mass, and ethnicity were important predictors of bone metabolism. The bone resorption/formation ratio suggests IET soldiers are at risk of stress injuries. Male IET soldiers are mildly to moderately deficient in vitamin D and slightly deficient in calcium throughout training. Whey protein or carbohydrate supplementations did not affect the markers of bone metabolism.
Palabras clave
Texto completo:
1
Banco de datos:
MEDLINE
Asunto principal:
Huesos
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Carbohidratos de la Dieta
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Suplementos Dietéticos
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Acondicionamiento Físico Humano
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Proteína de Suero de Leche
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Personal Militar
Tipo de estudio:
Clinical_trials
/
Prognostic_studies
Límite:
Adult
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Humans
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Male
Idioma:
En
Año:
2020
Tipo del documento:
Article