等速性筋収縮における相反性神経結合の成熟の研究
角速度120deg/secの10セットの等速性筋力訓練における相反性神経結合を運動訓練開始前、3週間後、6週間後と9週間後の3週間毎にヒラメ筋H反射を用いた相反性抑制の振幅と足関節底・背屈の求心性収縮のピークトルク値から検討した。角速度30deg/sec、60deg/sec、90deg/secと120deg/secのピークトルク値では、運動訓練開始前、3週間後、6週間後と9週間後において明らかな変化がなかったが、相反性Ia抑制は3週間後より振幅比が低下し、6週間後と9週間後の条件-試験刺激間隔2msecと3msecでは、運動訓練開始前との間にそれぞれ有意差(p<0.05)がみられた。特に...
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| Published in | 東京保健科学学会誌 Vol. 1; no. 1; pp. 79 - 86 |
|---|---|
| Main Author | |
| Format | Journal Article |
| Language | Japanese |
| Published |
日本保健科学学会
1998
Japan Academy of Health Sciences |
| Subjects | |
| Online Access | Get full text |
| ISSN | 1344-3844 2433-149X |
| DOI | 10.24531/jjhs.1.1_79 |
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| Abstract | 角速度120deg/secの10セットの等速性筋力訓練における相反性神経結合を運動訓練開始前、3週間後、6週間後と9週間後の3週間毎にヒラメ筋H反射を用いた相反性抑制の振幅と足関節底・背屈の求心性収縮のピークトルク値から検討した。角速度30deg/sec、60deg/sec、90deg/secと120deg/secのピークトルク値では、運動訓練開始前、3週間後、6週間後と9週間後において明らかな変化がなかったが、相反性Ia抑制は3週間後より振幅比が低下し、6週間後と9週間後の条件-試験刺激間隔2msecと3msecでは、運動訓練開始前との間にそれぞれ有意差(p<0.05)がみられた。特に、条件-試験刺激間隔3msecは、条件-試験刺激間隔0msecと1msecで6週間後と9週間後との間にそれぞれ有意差(p<<0.01)がみられ、2シナプス性相反抑制が発達しているものと考えられた。 |
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| AbstractList | Reciprocal Ia inhibition in man was studied during voluntary contraction of soleus or at rest, and then its antagonist contraction. But, there is no research to investigate the relationship between muscle strengthening and central structure of upper motoneurones in physical therapy. PURPOSE:We would investigate to elucidate Reciprocal Ia inhibition conjunction consisting of Ia neurone and Ia inhibitory interneurone into the muscle strength training. METHODS:Five young adult subjects were studied with their informed consent. Since they were fixed supine with hip and knee angles at 45 and 90 degree, they were asked to move ankle pumping rapidly with 120 deg/sec and to take 10 sets by Cybex machine 6000. Periodically they were examined soleus H-reflex and peak torque among 30, 60, 90 and 120 deg/sec for two months. A test H-reflex in soleus was evoked by electrical stimulation of the tibial nerve in the popliteal fossa. The reflex was conditioned by electrical stimulation of the common peroneal nerve at caput fibulae, maintained close to motor threshold(1.0×MT, rectangular pulse:1msec). The H-reflex and M wave were recorded with bipolar surface electrodes. The effects of reciprocal inhibition were calculated as percentage reduction of the test H-reflex amplitude to the control H-reflex at the rest. Statistical comparison were made using two way layout with repetition in ANOVA and probability values less than 0.05 were contemplated significantly. RESULTS:A reduce of the soleus H-reflex amplitude attributable to Ia inhibition was showed at 2 and 3 msec conditioning-test interval, and there were significant differences(p<0.05) each other among before execise and after 6 weeks and 9 weeks. Considerly there were significant differences(p<0.01) each other among 0, 1 msec and 3 msec conditioning-test interval at after 6 weeks and 9 weeks. However, we cannot have statistical discrepancy between isokinetic examines. CONCLUSION:It would be considered that it might be important for the maturation of Reciprocal Ia inhibition to be maintain theraputic exercise.
角速度120deg/secの10セットの等速性筋力訓練における相反性神経結合を運動訓練開始前、3週間後、6週間後と9週間後の3週間毎にヒラメ筋H反射を用いた相反性抑制の振幅と足関節底・背屈の求心性収縮のピークトルク値から検討した。角速度30deg/sec、60deg/sec、90deg/secと120deg/secのピークトルク値では、運動訓練開始前、3週間後、6週間後と9週間後において明らかな変化がなかったが、相反性Ia抑制は3週間後より振幅比が低下し、6週間後と9週間後の条件-試験刺激間隔2msecと3msecでは、運動訓練開始前との間にそれぞれ有意差(p<0.05)がみられた。特に、条件-試験刺激間隔3msecは、条件-試験刺激間隔0msecと1msecで6週間後と9週間後との間にそれぞれ有意差(p<<0.01)がみられ、2シナプス性相反抑制が発達しているものと考えられた。 角速度120deg/secの10セットの等速性筋力訓練における相反性神経結合を運動訓練開始前、3週間後、6週間後と9週間後の3週間毎にヒラメ筋H反射を用いた相反性抑制の振幅と足関節底・背屈の求心性収縮のピークトルク値から検討した。角速度30deg/sec、60deg/sec、90deg/secと120deg/secのピークトルク値では、運動訓練開始前、3週間後、6週間後と9週間後において明らかな変化がなかったが、相反性Ia抑制は3週間後より振幅比が低下し、6週間後と9週間後の条件-試験刺激間隔2msecと3msecでは、運動訓練開始前との間にそれぞれ有意差(p<0.05)がみられた。特に、条件-試験刺激間隔3msecは、条件-試験刺激間隔0msecと1msecで6週間後と9週間後との間にそれぞれ有意差(p<<0.01)がみられ、2シナプス性相反抑制が発達しているものと考えられた。 |
| Author | 三和, 真人 |
| Author_FL | Miwa Makoto |
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| Author_xml | – sequence: 1 fullname: 三和, 真人 organization: 早稲田医療技術専門学校・理学療法学科 |
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| Copyright | 1998 日本保健科学学会 |
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| DocumentTitleAlternate | Maturation of Reciprocal Inhibitory Conjunctions in Isokinetic Muscle Contraction |
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| Snippet | 角速度120deg/secの10セットの等速性筋力訓練における相反性神経結合を運動訓練開始前、3週間後、6週間後と9週間後の3週間毎にヒラメ筋H反射を用いた相反性抑制の振幅と足関... Reciprocal Ia inhibition in man was studied during voluntary contraction of soleus or at rest, and then its antagonist contraction. But, there is no research... |
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| SubjectTerms | Ib inhibition Ib抑制 Interneurone Isokinetic exercise Reciprocal Ia inhibition Soleus H-reflex ヒラメ筋H反射 介在ニューロン 相反性Ia抑制 等速性運動 |
| Title | 等速性筋収縮における相反性神経結合の成熟の研究 |
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| ispartofPNX | 東京保健科学学会誌, 1998/12/18, Vol.1(1), pp.79-86 |
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