Objective To observe the relationship between duration time of isometric contraction and blood pressure.

目的分析肌肉等长收缩持续时间与人体血压变化之间的关系。

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After 5 weeks, the rats were weighed and blood was drawn, and then the rats were anesthetized, the muscular maximal isometric contraction and working time were detected to assess the exercise ability.

第5周结束后，称重取血，再将大鼠麻醉，作肌肉最大等长收缩力及工作时间测定，以评估其运动能力。

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