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Staying Upright By Shutting Down? Evidence For Global Suppression Of The Motor System When Recovering Balance, Caleigh Goode, David M. Cole, David A.E. Bolton
Staying Upright By Shutting Down? Evidence For Global Suppression Of The Motor System When Recovering Balance, Caleigh Goode, David M. Cole, David A.E. Bolton
Kinesiology and Health Science Faculty Publications
Background
When automatic, yet unwanted action is quickly inhibited, short-lived suppression throughout the motor system ensues. This effect is referred to as global suppression. Although response inhibition is essential for behavioral flexibility, widespread motor suppression may delay action reprogramming. In reactive balance control, even fleeting suppression of the motor system could interfere with our ability to adapt compensatory reactions quickly enough to avoid a fall.
Research Question
Is muscle activity in the hand suppressed when a prepotent compensatory step becomes suddenly blocked in a balance recovery task?
Methods
Nineteen young adults were tested using a lean and release apparatus. …