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Clinical Trial Summary

This study will utilize transcranial magnetic stimulation (TMS) to examine the effects of mental imagery in resistance-trained versus untrained men and women. In randomized order, each participant will perform a mental imagery task or a control condition as TMS is used to study corticospinal excitability.


Clinical Trial Description

Kinesthetic mental imagery is a technique that has previously been utilized to modulate neural signaling to the limbs in the absence of any mechanical movement of the limb. Kinesthetic imagery tasks require an individual to imagine they are maximally contracting a target muscle group. Previous investigations have shown mental imagery tasks to increase maximal strength of the limb and even attenuate strength loss during periods of immobilization. Similarly, corticospinal excitability, which indicates the ease in which the cortex can stimulate muscular contraction, has also been shown to increase during mental imagery tasks. These adaptations have been attributed to the role of the cortex as a critical determinant of strength and the potent cortical stimulus posed by mental imagery. Mental imagery and resistance training have both shown to provide a positive impact on muscle strength. However, the interplay between a mental imagery task and resistance training experience has yet to be fully investigated in terms of their impact on corticospinal excitability and inhibition. To our knowledge, no study has examined the effect of resistance training experience on corticospinal excitability and inhibition during a mental imagery task. Thus, the purpose of this study is to determine if resistance trained and untrained participants experience differences in corticospinal excitability and inhibition during kinesthetic mental imagery. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT03889548
Study type Interventional
Source University of Central Florida
Contact
Status Completed
Phase N/A
Start date February 7, 2019
Completion date January 1, 2023

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