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Effect of a Nutritional Intervention in Athlete ’ s Body Composition, Eating Behaviour and Nutritional Knowledge: A Comparison between Adults and Adolescents

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ABSTRACT

The objective of the present study is to evaluate and compare the effect of a nutritional intervention between adolescent and adult. In a before and after quasi-experimental clinical study, 32 athletes (21 adults, age range 20–32 years; 11 adolescents, age range: 12–19 years) participated in a nutritional counselling consisting of four consultations separated by an interval of 45 to 60 days. The athlete’s eating behaviour, body composition and nutrition knowledge were evaluated at the beginning and at the end of the protocol. Both groups increased lean body mass and nutritional knowledge. Adolescents increased their mid-arm muscle circumference and improved meal frequency, and daily water intake. Athletes of both groups improved their ingestion of vegetables and fruits and decreased the ingestion of sweets and oils. Adolescents showed a higher prevalence of individuals that remained within or approached to the recommendations of sweets. This is the first study to evaluate and compare the effect of a nutritional intervention between adolescent and adult athletes body composition, eating behaviour and nutritional knowledge. The nutritional counselling has been effective in promoting beneficial changes on the athlete’s eating behaviour, nutritional knowledge and body composition, however, some healthy changes were only experienced by adolescents, especially in the frequency of meals and the intake of sweets.

No MeSH data available.


Number of meals, interval between meals, meal omission, snack omission, and time adequacy of pre and post-training meals, before and after nutritional counselling. The red lines indicate the recommendations of at least five meals a day (number of meals) and a maximum of three hours between meals (interval between meals). * p < 0.05, pre versus post. †p < 0.05, adults versus adolescents.
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nutrients-08-00535-f004: Number of meals, interval between meals, meal omission, snack omission, and time adequacy of pre and post-training meals, before and after nutritional counselling. The red lines indicate the recommendations of at least five meals a day (number of meals) and a maximum of three hours between meals (interval between meals). * p < 0.05, pre versus post. †p < 0.05, adults versus adolescents.

Mentions: The analysis showed an increase in the number of meals for young athletes, as well as a significant reduction in the interval between the meals; however, there were no group effects on the changes in these variables (ANCOVA, p > 0.05) (Figure 4). The adolescents also showed a significant reduction of meal and snack omissions. Both groups increased the time adequacy of pre-training and post-training meals (Figure 4). As all of the adults were suited to the recommendations, it was not possible to apply within-group inferences.


Effect of a Nutritional Intervention in Athlete ’ s Body Composition, Eating Behaviour and Nutritional Knowledge: A Comparison between Adults and Adolescents
Number of meals, interval between meals, meal omission, snack omission, and time adequacy of pre and post-training meals, before and after nutritional counselling. The red lines indicate the recommendations of at least five meals a day (number of meals) and a maximum of three hours between meals (interval between meals). * p < 0.05, pre versus post. †p < 0.05, adults versus adolescents.
© Copyright Policy
Related In: Results  -  Collection

License
Show All Figures
getmorefigures.php?uid=PMC5037522&req=5

nutrients-08-00535-f004: Number of meals, interval between meals, meal omission, snack omission, and time adequacy of pre and post-training meals, before and after nutritional counselling. The red lines indicate the recommendations of at least five meals a day (number of meals) and a maximum of three hours between meals (interval between meals). * p < 0.05, pre versus post. †p < 0.05, adults versus adolescents.
Mentions: The analysis showed an increase in the number of meals for young athletes, as well as a significant reduction in the interval between the meals; however, there were no group effects on the changes in these variables (ANCOVA, p > 0.05) (Figure 4). The adolescents also showed a significant reduction of meal and snack omissions. Both groups increased the time adequacy of pre-training and post-training meals (Figure 4). As all of the adults were suited to the recommendations, it was not possible to apply within-group inferences.

View Article: PubMed Central - PubMed

ABSTRACT

The objective of the present study is to evaluate and compare the effect of a nutritional intervention between adolescent and adult. In a before and after quasi-experimental clinical study, 32 athletes (21 adults, age range 20&ndash;32 years; 11 adolescents, age range: 12&ndash;19 years) participated in a nutritional counselling consisting of four consultations separated by an interval of 45 to 60 days. The athlete&rsquo;s eating behaviour, body composition and nutrition knowledge were evaluated at the beginning and at the end of the protocol. Both groups increased lean body mass and nutritional knowledge. Adolescents increased their mid-arm muscle circumference and improved meal frequency, and daily water intake. Athletes of both groups improved their ingestion of vegetables and fruits and decreased the ingestion of sweets and oils. Adolescents showed a higher prevalence of individuals that remained within or approached to the recommendations of sweets. This is the first study to evaluate and compare the effect of a nutritional intervention between adolescent and adult athletes body composition, eating behaviour and nutritional knowledge. The nutritional counselling has been effective in promoting beneficial changes on the athlete&rsquo;s eating behaviour, nutritional knowledge and body composition, however, some healthy changes were only experienced by adolescents, especially in the frequency of meals and the intake of sweets.

No MeSH data available.