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The purpose of this study was the comparison of the differences on the Aerobic capacity and ECG-ST level between college women and college women taekwondo players. The subject underwent Balke protocol exercise test on the treadmill. The assessment of Aerobic capacity was on VO₂max, AT-VO₂, MVO₂, HRmax, PSBP, ECG-V5 ST level. Tests was performed on the Quinton autogas analyser.The results of this study were as follows1. VO₂max of the women taekwondo players(50.4±4.44ml/kg/min) were higher than the college women's(45.7 ±5.53ml/kg/min) There were not significant differences(P< .05)2. AT-VO₂ of the women taekwondo players(37.6±4.79ml/kg/min) were higher than the college women's(30.4±3.59ml/kg/min) There were not significant differences.(P< .05)3. HRmax of the taekwondo players (193.3±7.23beats/min) were higher than the college women's(186.5±8.22beats/min) There were not significant differences(P< .05)4. PSBP of the taekwondo players(187.7±10.22mmHg)were lower than the college women's(190.4±12.11mmHg) There were not significant differences(P< .05)5. MVO₂ of the taekwondo players(36.2±2.4mmHg.bpm.10³)were higher than the college women's(35.5±0.9mmHg.bpm.10³) There were not significant differences(P< .05)6. The ECG-V5 ST level of college women(1.09±0.03mm Rest, 0.44±0.01mm Max) were depressed compare to the women taekwondo players(0.25±0.02mm Rest, 0.26±0.02mm Max)There were not significant difference between during and after exercise at the ECG-V5 ST level of women taekwondo players.* 본 연구는 2000년도 신일 학술연구 진흥비 지원으로 이루어졌음.1) 성신여자대학교136-742 서울시 성북구 동선동 3가 249-11. SungShin Women's University 249-13 Dongsundong Seoul 136-742 Korea