Comparison of the effect of unilateral strength training onelectroneurographic indicators of the symmetric member in the upper limb
Abstract:
Background and Objectives
The aim of this study was to compare the effects of strength training on electroneurographic indicators of the symmetric member in the upper limb. Materials And Methods
30 healthy women without any past damage on the elbow joint, tendons and biceps muscle ligaments were chose and all of them were right handed. They were randomly divided in three groups. Experienced group performed strength training on biceps muscle of the dominant hand and 2 experienced groups did the same exercises on biceps muscle of the non- dominant hand. It was done three times a week for eight weeks. Electromyography (EMG) with the maximal voluntary contraction (MVC) of biceps muscle of dominant and non-dominant both hands in the pre-test were measured. To analyze the presented information the t-student test was used and the measurement was done in a meaningful level (p≤0.05).Results
The results show that after eight weeks doing exercise in both hands, there is a meaningful increase in MVC and EMG. While in control group there wasn’t any differences. Cross transfer rate equal to the dominant of non-dominant. Conclusion
The unilateral strength training causes increase in EMG, amplitude accretion and decreased latency of M wave in both training and not raining members. The underlying Mechanisms which is responsible for electroneurographic cross transfer may be explained by associational neurons, corpus callosum and parallel processing of the nervous system.Keywords:
Language:
Persian
Published:
Journal of North Khorasan University of Medical Sciences, Volume:4 Issue: 3, 2012
Page:
459
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