1. Date of download: 11/2/2017
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From: Characterization of the Frequency and Muscle Responses of the Lumbar and Thoracic Spines of Seated Volunteers During Sinusoidal Whole Body Vibration
J Biomech Eng. 2014;136(10): doi: /
Figure Legend:
Representative data from a single subject undergoing a vertical seat vibration at 4 Hz, showing the acceleration signals acquired from the seat and at L4 (lumbar spine) and at T3 (thoracic spine). Also shown are the corresponding EMG signals acquired from that same subject during the MVC and in the lumbar and thoracic spinal regions during the vibration.