Hubungan Pengetahuan dan Status Gizi dengan Kadar Hemoglobin dan Kebugaran Jasmani Atlet Renang Klub TCS Semarang

Abstrak

Abstract Physical fitness is the ability to do daily activities effectively and efficiently. Nutritional needs are important for athletes since their energy are used for intensive exercise and heavy organ performance, particularly in children athletes whose their nutritional needs also used in their growth. Athletes also have to maintain optimal hemoglobin level to maintain their performance. The aim of this study was to analyze the correlation of knowledge, nutritional intake and body fat percentage with hemoglobin level and physical fitness in swimming athletes at Semarang City. This study was explanatory research with a cross-sectional design. The samples are 18 athletes at Student Sports Education and Training Center and TCS swimming club in Semarang selected using purposive sampling. Data were analyzed using Pearson Product Moment and Rank Spearman. The result showed no correlation between knowledge (p = 0,293), iron (p = 0,330), vitamin C (p = 0,105), protein (p = 0,645), and dietary fiber intake (p = 0,089) with hemoglobin level. There were no correlation between hemoglobin level (p = 0,167) and body fat percentage (p = 0,098) with physical fitness in swimming athletes. This study suggests that athletes increase their knowledge related to the source of nutritious food according to the needs of the body and maintain physical fitness in order to provide maximum performance during exercise and match.