Assessment of body composition and dietary intake of adolescent swimmers

ABSTRACT Introduction: Body composition and nutritional habits of swimmers have a direct influence on their sports perfor-mance. Objective: To assess body composition and dietary intake of adolescent swimmers. Method: Cross-sectional study with 15 adolescent swimmers of both genders from a club in the city of São Paulo, Brazil. An identification questionnaire was applied, registering information on weight, height, body circumferences and skinfolds. For the assessment of dietary intake, a 24-hour recall was applied. Results: Most of the athletes presented appropriate body fat percentage. All swimmers ingested dietary supplements. Protein consumption was high and carbohydrate, low. The highest prevalence of inadequate intakes of micronutrients were vitamin B9, iodine and calcium. Conclusion: The results suggest the need for nutritional intervention in this group of athletes.

摘要 引言：游泳运动员的身体成分与营养习惯对其运动表现具有直接影响。
研究目的：评估青少年游泳运动员的身体成分与膳食摄入情况。
研究方法：本研究为横断面研究，纳入来自巴西圣保罗市某俱乐部的15名不同性别的青少年游泳运动员。通过身份信息调查问卷收集受试者的体重、身高、身体围度与皮褶厚度相关数据；膳食摄入评估采用24小时膳食回顾法（24-hour recall）。
研究结果：大部分受试者的体脂百分比处于合理范围；所有受试游泳运动员均服用膳食补充剂；蛋白质摄入量偏高，碳水化合物摄入量偏低；微量营养素摄入不足发生率最高的为维生素B9（vitamin B9）、碘与钙。
研究结论：本研究结果提示，该群体运动员需要开展营养干预措施。