지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
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초록· 키워드
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The purpose of this study was to identify the significance of the measurement of instantaneous power depending on various exercise load using simple and straight leg extension exercises in seated form. The subject of the study were 40 students from K university sports club (boxing, Judo, Taekwondo), 47 male and 35 female students in the department of physical education who have no clinical difficulty in doing leg extension exercises. They participated in 3 types of leg extension exercises.
As a result, the absolute value and relative value of the maximum extension power at a weight load (100% weight) were significantly higher (P＜0.05) in athlete and male students group as compared to the female students group. The velocity vs. force in the maximum extension power accounted for 51.6% vs. 48.4% in athlete group, 44.0% vs. 56.0% in male students group, and 46.5% vs. 53.5% in female students group. The extension speed was significantly higher (p＜0.05) in the athlete and male students group as compared to the female students group while extension time was significantly shorter (p＜0.05) in the athlete group as compared to the male and female students group.
The maximum extension power (absolute value) at lower weight loads (80% eight) was significantly higher (p＜0.05) in the athlete and male students group as compared to the female students group. As for relative value, the results were significantly higher (p＜0.05) in the athlete group as compared to the male and female students group. The velocity vs. force in the maximum extension power accounted for 59.5% vs. 40.5% in the athlete group, 52.7% vs. 47.3% in the male students group, and 54.5% vs. 45.5% in the female students group. Extension speed was significantly higher (p＜0.05) in the athlete and male students group as compared to the female students group, while the extension time were almost identical in all three groups.
The maximum extension power (absolute value) at high weight loads (120% weight) was significantly higher (p＜0.05) in athlete and male students group as compared to the female students group and in the relative value. The results were almost identical in the athlete and male students group while it was significantly higher (p＜0.05) than in the female students group. The velocity vs. force in the maximum extension power accounted for 45.3% vs. 54.7% in the athlete group, 35.5% vs. 64.5% in the male students group, and 39.9% vs. 60.1% in the female students group. The extension speed and time for athletes and male students were significantly higher (p＜0.05) than those for female students.
The instantaneous leg extension exercise using the weight load employed in this study can be considered an effective power measurement item which can be applied not only to professional athletes but also to general public in that there are no technical influences in its execution of the motion and there are almost no risk of injuries.
As a result, the absolute value and relative value of the maximum extension power at a weight load (100% weight) were significantly higher (P＜0.05) in athlete and male students group as compared to the female students group. The velocity vs. force in the maximum extension power accounted for 51.6% vs. 48.4% in athlete group, 44.0% vs. 56.0% in male students group, and 46.5% vs. 53.5% in female students group. The extension speed was significantly higher (p＜0.05) in the athlete and male students group as compared to the female students group while extension time was significantly shorter (p＜0.05) in the athlete group as compared to the male and female students group.
The maximum extension power (absolute value) at lower weight loads (80% eight) was significantly higher (p＜0.05) in the athlete and male students group as compared to the female students group. As for relative value, the results were significantly higher (p＜0.05) in the athlete group as compared to the male and female students group. The velocity vs. force in the maximum extension power accounted for 59.5% vs. 40.5% in the athlete group, 52.7% vs. 47.3% in the male students group, and 54.5% vs. 45.5% in the female students group. Extension speed was significantly higher (p＜0.05) in the athlete and male students group as compared to the female students group, while the extension time were almost identical in all three groups.
The maximum extension power (absolute value) at high weight loads (120% weight) was significantly higher (p＜0.05) in athlete and male students group as compared to the female students group and in the relative value. The results were almost identical in the athlete and male students group while it was significantly higher (p＜0.05) than in the female students group. The velocity vs. force in the maximum extension power accounted for 45.3% vs. 54.7% in the athlete group, 35.5% vs. 64.5% in the male students group, and 39.9% vs. 60.1% in the female students group. The extension speed and time for athletes and male students were significantly higher (p＜0.05) than those for female students.
The instantaneous leg extension exercise using the weight load employed in this study can be considered an effective power measurement item which can be applied not only to professional athletes but also to general public in that there are no technical influences in its execution of the motion and there are almost no risk of injuries.
목차
Abstract
Ⅰ. 서론
Ⅱ. 연구방법
Ⅲ. 결과
Ⅳ. 논의
Ⅴ. 결론
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