The effect of motor imagery on quality of movement when performing reaching tasks in healthy subjects: A proof of concept |
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| Institution: | 1. Faculty of Health Sciences, Palacký University Olomouc, Czech Republic;2. Kinesiology Laboratory, Rehabilitation Department, University Hospital, Olomouc, Czech Republic;3. Allied Health Research Unit, University of Central Lancashire, Preston, United Kingdom;4. Faculty of Physical Culture, Palacký University Olomouc, Czech Republic;5. East Lancashire Hospitals NHS Trust, Burnley, United Kingdom;1. Human Development and Technologies Program, Institute of Biosciences, São Paulo State University (UNESP), Rio Claro, São Paulo, Brazil;2. Department of Tocogynecology, Botucatu Medical School (FMB), São Paulo State University (UNESP), São Paulo, Brazil;3. Department of Physiotherapy and Occupational Therapy, Faculty of Philosophy and Sciences, São Paulo State University (UNESP), Marília, São Paulo, Brazil;1. Florida Gulf Coast University, Fort Myers, FL, USA;2. US Public Health Service Commissioned Corps., USA;1. Department of Physical Therapy, National Hospital Organization Higashisaitama National Hospital, Japan;2. Department of Physical Therapy, Faculty of Health Science, Juntendo University, Japan;1. Department of Physical Therapy, Recanati School for Community Health Professions, Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer Sheva, Israel;2. The Academic College Tel Aviv-Jaffo, School of Nursing Science, Jaffo, Israel;1. Neuromuscular Rehabilitation Research Center, Semnan University of Medical Sciences, Semnan, Iran;2. Behavioral Sciences Research Center, Life Style Institute, Nursing Faculty, Baqiyatallah University of Medical Sciences, Tehran, Iran;1. Post-graduate Student in Dental Sciences, Federal University of Santa Maria, Santa Maria, Brazil;2. Undergraduate Dentistry Student, Federal University of Santa Maria, Santa Maria, Brazil;3. Federal University of Santa Maria, Santa Maria, Brazil;4. Private Practice, Santa Maria, Brazil;5. Department of Stomatology, Federal University of Santa Maria, Santa Maria, Brazil;6. Department of Restorative Dentistry, Federal University of Santa Maria, Santa Maria, Brazil |
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| Abstract: | IntroductionThe use of motor imagery (MI) has been shown to offer significant improvements in movement performance in sports, and is now receiving a lot of attention as a relatively new therapeutic approach which can be applied in rehabilitation. However, the effects of MI on the quality of movement is still unclear. This study explored the immediate effect of MI on reaching tasks in healthy subjects.Methods17 healthy individuals (33 ± 8.2 years) participated in the study. Surface electromyography (sEMG) and inertial measurement units (IMU) were used to identify muscle activity and angular velocity in both upper limbs. Participants performed a reach task using their dominant and non-dominant arms at their most comfortable speed, they were then asked to imagine themselves performing the same reaching task, and finally they were asked to repeat the reaching task.ResultsSignificant decreases were seen in the muscle activity between pre and post MI for Biceps Brachii, Anterior Deltoid and Triceps Brachii. In addition, a significant increase was seen in extension angular velocity post MI.DiscussionThe results indicate that the use of MI just after physical practice appears to have an immediate effect on the muscle activity and kinematics during a reaching task, which may suggest an improved quality of movement.ConclusionThis proof of concept study shows the potential for MI to improve the quality of performing reaching task and offers a possible therapeutic option for Stroke survivors and other neuromuscular disorders. |
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| Keywords: | Motor imagery Reaching task Surface electromyography Angular velocity |
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