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Gait Posture. 2000 Oct;12(2):169-83.

EMG analysis of lower limb muscles in humans during quick change in running directions.

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Motor Control Laboratory, Arizona State University, Box 870404, Tempe, AZ 85287-0404, USA.


Open and cross maneuvers for changing running direction were studied to characterize selective EMG activity between the maneuvers. Eleven subjects turned towards the right or the left during running. The gluteus medius modified foot trajectory of the leading leg during the open maneuver, whereas the sartorius worked modestly during the cross maneuver. Compared with the cross maneuver the open maneuver exhibited greater vastus medialis and gastrocnemius activity during the ground support phase, faster running speed and wider turning angle. These results suggest that the open maneuver is more effective than the cross maneuver for quickly changing running direction.

[Indexed for MEDLINE]

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