상하지 등속성 운동시 나타나는 심혈관계의 반응
Cardiovascular Responses to Isokinetic Exercise in Upper and Lower Extremities
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The purpose of this study was to establish a baseline in order that individuals may exercise safely. Sixty healthy students who were divided into two groups participated in the experiment. One group exercised both arms and legs at 60 rpm and the otherat 90 rpm. There was a significant difference between arm and leg exercise indiastolic blood pressure (DBP) and time to target heart rate (TTHR). DBP decreasedmore in the upper (U/E) than the lower extremity (L/E) , but TTHR increased morein the L/E than the U/E (p < 0.05). Systolic blood pressure (SBP) was similar forboth arm and leg exercise (p > 0.05). There was also no significant differencebetween 60 rpm and 90 rpm in SBP, DBP or TTHR in either arm or leg exercise(p > 0.05). In conclusion, the slope of the linear increase in heart rate was steeperfor U/E than L/E work. Therefore L/E exercise is safer than U/E exercise.
Abstract
The purpose of this study was to establish a baseline in order that individuals may exercise safely. Sixty healthy students who were divided into two groups participated in the experiment. One group exercised both arms and legs at 60 rpm and the otherat 90 rpm. There was a significant difference between arm and leg exercise indiastolic blood pressure (DBP) and time to target heart rate (TTHR). DBP decreasedmore in the upper (U/E) than the lower extremity (L/E) , but TTHR increased morein the L/E than the U/E (p < 0.05). Systolic blood pressure (SBP) was similar forboth arm and leg exercise (p > 0.05). There was also no significant differencebetween 60 rpm and 90 rpm in SBP, DBP or TTHR in either arm or leg exercise(p > 0.05). In conclusion, the slope of the linear increase in heart rate was steeperfor U/E than L/E work. Therefore L/E exercise is safer than U/E exercise.