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The Japanese Journal of Rehabilitation Medicine, 1971/04/18, Vol.8(2), pp.67-81
Ort / Verlag
The Japanese Association of Rehabilitation Medicine
Erscheinungsjahr
1971
Quelle
EZB Free E-Journals
Beschreibungen/Notizen
Two series of experiments about eccentric contraction exercise were conducted. One was to see the effects of this exercise in comparison to the modification of McGovern and Luscomb of progressive resistance exercise. Abductor digiti minimi muscle was chosen as an object. Another experiment was to see the cross education effect of this exercise as well as to see the attitude of different muscle reacting to this exercise in comparison to former experiment. Two ergometers...finger ergometer and knee ergometer...were designed and graphs were analized. The following conclusion were induced. 1. There was no significant difference in increase of force between progressive resistance exercise and eccentric contraction exercise. 2. There was a significant difference in increase of work between progressive resistance exercise and eccentric contraction exercise. Increase of work was more in eccentric contraction group. Increase of work was considered to have increase of reserve of muscle force. 3. There was good cross education effect. Although some physiological contradictions might consider, there was an important clinical meaning. 4. A joint angle at which maximal force delivered was constant zero degree in abductor digiti minimi muscle. In quadriceps muscle, first two tests showed around 110 to 120 degrees then later around 150 degrees. 5. Formation of plateau in graph was observed in final test. 6. It was my impression that the eccentric contraction exercise was one of the good methods to increase muscle strength. The characteristic fact in this exercise was the increase of work and power. Also the good cross education effect will be used clinically.