The influence of different intermittent myofeedback training schedules on learning relaxation of the trapezius muscle while performing a gross-motor task

European Journal of Applied Physiology
G E VoermanH J Hermens

Abstract

The aim of this study was to investigate the influence of different intermittent myofeedback training schedules, as provided by a Cinderella-based myofeedback system, on learning relaxation and resistance to extinction of the trapezius muscle, in subjects performing a unilateral gross-motor task. Eighteen healthy subjects performed the task without and with feedback to study baseline and learning relaxation. Subsequently, resistance to extinction was investigated by performing the task without feedback. The gross-motor task consisted of continuously moving the dominant arm between three target areas at a constant pace. Subjects were randomly assigned into three groups, characterized by the sequence of feedback schedules with which the task was performed on 3 consecutive days. Auditory feedback was provided after a 5-, 10-, or 20-s interval when a pre-set level of 80% rest was not reached. Bipolar surface electromyography recordings performed at the dominant upper trapezius muscle were quantified using relative rest time (RRT) and root mean square (RMS) parameters. Learning relaxation was defined as an increase in RRT and a decrease in RMS values. Results showed the highest RRT levels as well as a decrease in RMS for the 10-s sc...Continue Reading

Citations

Oct 22, 2005·European Journal of Applied Physiology·Thomas LäubliGisela Sjøgaard
Jun 29, 2010·Medical & Biological Engineering & Computing·Afshin SamaniPascal Madeleine
Oct 15, 2009·Journal of Strength and Conditioning Research·Benjamin J Snyder, James R Leech
Jul 14, 2010·Journal of Electromyography and Kinesiology : Official Journal of the International Society of Electrophysiological Kinesiology·Pernille VedstedGisela Sjøgaard
Aug 28, 2010·Journal of Telemedicine and Telecare·Miriam M R Vollenbroek-Hutten, Hermie J Hermens
Jan 24, 2006·American Journal of Physical Medicine & Rehabilitation·Henk van Dijk, Hermie J Hermens

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