Athletes’ nutrition status, somatotype, and adequate dietary intake are strongly related to their sport performance. Examining those markers in adolescent age is essential in order to develop the optimum physical characteristics for the future. This study was conducted to identify the nutrition status based on anthropometry value, somatotype, food and fluid intake of youth athletic athletes in Indonesia. Descriptive quantitative design was used in this study. Subjects participated in the study were 25 youth athletic athletes from Students Education and Training Program (Program Pembinaan dan Pelatihan Pelajar) in Yogyakarta and Aceh, and School of Sports (Sekolah Keolahragaan) Ragunan, Jakarta Selatan. Anthropometry measurement consists of body weight, height, body fat percentage, and somatotype. Nutrition status was identified according to BMI/age and height/age. Food and fluid intake were assessed using 24-hour dietary recall interview and semi quantitative fluid frequency questionnaire. Descriptive statistical analysis was performed and the result was presented in mean and deviation standard. BMI/age values in male and female athletes were -2 SD ≤ Z ≥ +1 SD (normal) and +1 SD ≤ Z ≥ +2 SD (overweight), respectively. Height/age value for both gender was normal in -2 SD ≤ Z ≥ +2 SD. Percentage of body fat ranged in 12-16% for males and 18-28% for females. Somatotype category for males was ectomorphic mesomorph (2.3-5.0-3.3) and endomorphic mesomorph (4.4-5.6-2.0) for females. Fulfillment of energy and carbohydrate was found inadequate (< 80%), whereas fat intake was found excess (> 110%). Total fluid intake was ranged from 2700 ml to 5800 ml per day. Overweight nutrition status was still found in female athletes. Ideal somatotype was found only in male athletes. Excessive percentage of body fat was detected in both gender. Total energy, macro nutrients, micro nutrients, and fluid intake were inadequate compared to dietary recommendation.

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<p>Kelelahan akibat durasi permainan yang panjang dengan intensitas gerakan cepat dan tiba-tiba menjadi masalah yang paling umum terjadi pada atlet <em>stop and go sports</em> . Peran zat gizi dalam upaya pencapaian performa maksimal sering dilupakan. Bersama dengan latihan yang intensif, asupan yang adekuat dapat membentuk <em>somatotype</em> yang juga dapat membantu performa. Tujuan penelitian ini adalah mengidentifikasi <em>somatotype</em> serta mengevaluasi asupan makanan dan minuman atlet remaja kategori olahraga <em>stop and go sports</em> di Wisma Atlet Ragunan, Jakarta di bawah Kementerian Pemuda dan Olahraga Republik Indonesia. Sebanyak 28 atlet remaja (14-18 tahun) mengikuti pengukuran <em>somatotype</em> dan komposisi tubuh. Pengukuran asupan makanan dan minuman juga dilakukan dengan metode <em>24 hours food recall</em> dan <em>semi quantitative fluid frequency</em>.<strong> </strong>Seluruh atlet kategori <em>stop and go sports</em> memiliki status gizi normal walaupun persentase pemenuhan asupan sebagian besar atlet masih inadekuat. Rerata somatotype ditemukan bervariasi berdasarkan cabang olahraga, yaitu atlet basket tergolong <em>mesomorphic endomorph</em> (4,2-3,4-1,4), atlet sepak bola ditemukan <em>balanced mesomorph</em> (2,6-6,6-2,9) dan atlet voli termasuk <em>central</em> (2,8-2,4-2,8). </p>

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Athletes tend move with a higher intensity and longer than a normal healthy human being. High intensity exercise coupled with high environmental temperature leads to an increase in body temperature and increased risk of dehydration. Given that the negative impact of dehydration on cardiac function and termoregulatori at practice, then the fluid intake and hydration status were closely related to the stability of the heart to maintain the performance. The study was carried out in 4 months. It was an observational study with a longitudinal cohort design. The total subjects in this study were 131 teenage footballers. Statistical testing using multiple regression analysis. The study showed that fluid intake and hydration status, and change in body weight of the subjects before and after exercise provided significant effect on systolic blood pressure (P<0.05). Every increased in fluid intake and changes in body weight lowers blood pressure by 0.408 systolic mmHg, and increased in fluid intake and changes in percent body weight increase in blood pressure of 2.762 mmHg. The study concluded that intake of fluids as dehydration status protects athletes due to fluid loss. It was because the activities becomes an important key to reestablish the systolic blood pressure. The more frequent training, the more increasingly athletes being exposed to dehydration, so that the systolic blood pressure would continue to increase. It was recommended that rehydration for athletes -who experienced a weight loss of more than 2% -should be done immediately after exercise, asuming that 1 kg of body weigth loss could be replaced by at least 1 litter of fluid.