RESUMEN
The purpose of this study was to analyzed the effects of step aerobics on the health-related fitness in the middle school girl's Sasang Constitution Classification. The Sasang Constitution was classified by QSCCII and Sasang Pattern Identification Questionnaire and then confirmed by expert of this field, who was oriental medical doctor, attending to Dongeui oriental medical center in Busan. The subjects were Soyang-in 10, Soeum-in 10, Taeum-in 10, respectively, total 30 middle school girls. Step Aerobics program performed 45 min/day, 3 times/week, during 12 weeks. The result was as follows : 1. The height was increased significantly than before exercise in Soeum-in. The body weights and chest circumference were increased than that of the pre-test values in the girl with Soyang-in, Soeum-in, and Taeeum-in, respectively but there was lettle significance. 2. The sit-ups, sit and reach test's values were significantly improved than pre test, and %fat was decreased significantly in Soeum-in and Taeum-in. Otherwise, BMI and LBM were slightly increased than pre-exercise but there was no significance.