Exercise performance and corticospinal excitability during action observation
作者： James G. Wrightson , Rosie Twomey , Nicholas J. Smeeton
关键词: Cadence 、 Physical medicine and rehabilitation 、 Neuroscience 、 Motor resonance 、 Action observation 、 Exercise performance 、 Time trial 、 Transcranial magnetic stimulation 、 Upper body 、 Psychology 、 Baseline time
摘要: Purpose: Observation of a model performing fast exercise improves simultaneous performance, however the precise mechanism underpinning this effect is unknown. The aim present study was to investigate whether speed observed influenced both upper body performance and activation cortical action observation network. Method: In Experiment 1, 10 participants completed 5 km time trial on an arm-crank ergometer whilst observing blank screen (no-video) at typical (i.e., individual mean cadence during baseline trial) 15% faster than speed. experiment two, 11 performed arm crank speed, slower 3, typical, slow exercise, no-video, corticospinal excitability assessed using transcranial magnetic stimulation. Results: 1 decreased, power increased, compared no-video condition. 2, increased but there no behaviour. excitability; however, difference between speeds. Conclusion: upper-body performance. However, because excitability, these results suggest that improvements are not solely due changes in activity
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