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  isokinetic test
    normal males were tested by BIODEX isokinetic test and rehabilitation system and its closed chain attachment.
    利用BIODEX多关节等速测试及康复系统提供的闭合链附件,测试了20 例正常男性青年学生下肢的等速向心收缩数据。
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  isokinetic test
    normal males were tested by BIODEX isokinetic test and rehabilitation system and its closed chain attachment.
    利用BIODEX多关节等速测试及康复系统提供的闭合链附件,测试了20 例正常男性青年学生下肢的等速向心收缩数据。
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healthy young men were tested by using a Cybex-6000 testing & rehabilitation system,to compare the character of concentric, eccentric and isometric muscle strength of the knee flexors and extensors and to explore the relationship among these contractions.The results showed that eccentric muscle contraction produced singnificantly higher torques than concentric contraction did in same speed(P<0.01).At 60°of knee flexion,eccentric and isometric contraction produced also singnificantly higher torques than concentric...

healthy young men were tested by using a Cybex-6000 testing & rehabilitation system,to compare the character of concentric, eccentric and isometric muscle strength of the knee flexors and extensors and to explore the relationship among these contractions.The results showed that eccentric muscle contraction produced singnificantly higher torques than concentric contraction did in same speed(P<0.01).At 60°of knee flexion,eccentric and isometric contraction produced also singnificantly higher torques than concentric contraction did(P<0.01). but there was no significant difference between eccentric and isometric torques. In concentric conditions, torque tended to diminish as the speed of movement increases. Conversely,with eccentric muscle contraction, torque leveled off as speeds increase.

本文通过运用Cybex-6000型等速测力系统对25名健康男青年膝屈肌和伸肌进行等速向心、等速离心及等长测试,来比较膝肌肉向心收缩、离心收缩和等长收缩的功能,并探讨其相互间的关系。结果表明:等速测试时,膝屈肌和伸肌离心收缩的肌力明显大于向心收缩。在膝屈曲60°时,离心收缩和等长收缩的肌力同样明显大于向心收缩,但离心收缩与等长收缩相比无显著性差异。随运动速度增加,屈肌和伸肌向心收缩的肌力明显下降,而离心收缩的肌力无明显变化。

Isokinetic muscle strengthe an endurance of the trunk extensors and flexors in 4O college students were tested with Cybex-TEFunit.The results indicated that the peak torque values of female extensors, female flexors and male extensors declined with increasing of testing velocity velocity, but no such change was seen in male flexors. The endurance ratio of extensors in both sexes and the revoveryat of extensors in the female were significantly lower than the flexors . These data of the healthy young adults...

Isokinetic muscle strengthe an endurance of the trunk extensors and flexors in 4O college students were tested with Cybex-TEFunit.The results indicated that the peak torque values of female extensors, female flexors and male extensors declined with increasing of testing velocity velocity, but no such change was seen in male flexors. The endurance ratio of extensors in both sexes and the revoveryat of extensors in the female were significantly lower than the flexors . These data of the healthy young adults could provide someknowledges of the characteristics of the trunk muscle and be beneficial to the sports training as well as the prevention of the low back pain and trunk trauma.

采用Cybex-TEF系统对40例年轻人躯干屈伸肌群的肌力和耐力进行等速测试。结果表明:随着测试速度的增加,女性屈伸肌群和男性伸肌群的PF值逐渐降低,而男性屈肌群PT值随速度的变化不大。两性伸肌群的ER和女性的RR均低于屈肌群。本研究提供了一组正常年人的数据,对了解其躯干肌肉功能特点、指导运动训练及预防下腰痛和运动伤病具有参考意义。

normal males were tested by BIODEX isokinetic test and rehabilitation system and its closed chain attachment.The results show that Peak Torque,Peak Torque/Body Weight,Time to PT,Total Work,Total Work/Body Weight and Average Power were higher when extention than flexion.There were no significant influence on D1/D2 ratio.And the results with closed chain are the same with non closed chain test.

利用BIODEX多关节等速测试及康复系统提供的闭合链附件,测试了20 例正常男性青年学生下肢的等速向心收缩数据。结果发现:峰力矩、相对峰力矩、到达峰力矩的时间、总功、相对总功、平均功率以伸展时大于屈曲时,两侧峰力矩的差异无差异,屈/伸比值不受速度影响,同非闭合链测试结果接近,可为深入研究提供参考。

 
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